{"schemaVersion":"5.0","asOf":"2026-10-29","countries":[{"slug":"peru","country":"Peru","shortName":"Peru","file":"Peru.html","roomCount":4},{"slug":"kazakhstan","country":"Kazakhstan","shortName":"Kazakhstan","file":"Kazakhstan.html","roomCount":2},{"slug":"cuba","country":"Cuba","shortName":"Cuba","file":"Cuba.html","roomCount":4},{"slug":"france","country":"France","shortName":"France","file":"France.html","roomCount":8},{"slug":"korea","country":"Republic of Korea","shortName":"Korea","file":"Korea.html","roomCount":1},{"slug":"japan","country":"Japan","shortName":"Japan","file":"Japan.html","roomCount":4},{"slug":"india","country":"India","shortName":"India","file":"India.html","roomCount":2},{"slug":"united-kingdom","country":"United Kingdom","shortName":"United Kingdom","file":"United-Kingdom.html","roomCount":3},{"slug":"italy","country":"Italy","shortName":"Italy","file":"Italy.html","roomCount":4},{"slug":"canada","country":"Canada","shortName":"Canada","file":"Canada.html","roomCount":2},{"slug":"united-arab-emirates","country":"United Arab Emirates","shortName":"UAE","file":"United-Arab-Emirates.html","roomCount":5},{"slug":"uzbekistan","country":"Uzbekistan","shortName":"Uzbekistan","file":"Uzbekistan.html","roomCount":1},{"slug":"brazil","country":"Brazil","shortName":"Brazil","file":"Brazil.html","roomCount":2},{"slug":"china","country":"China","shortName":"China","file":"China.html","roomCount":4},{"slug":"singapore","country":"Singapore","shortName":"Singapore","file":"Singapore.html","roomCount":1},{"slug":"russia","country":"Russia","shortName":"Russia","file":"Russia.html","roomCount":3},{"slug":"indonesia","country":"Indonesia","shortName":"Indonesia","file":"Indonesia.html","roomCount":4},{"slug":"turkey","country":"Türkiye","shortName":"Türkiye","file":"Turkey.html","roomCount":8},{"slug":"germany","country":"Germany","shortName":"Germany","file":"Germany.html","roomCount":6},{"slug":"saudi-arabia","country":"Saudi Arabia","shortName":"Saudi Arabia","file":"Saudi-Arabia.html","roomCount":2},{"slug":"israel","country":"Israel","shortName":"Israel","file":"Israel.html","roomCount":5},{"slug":"australia","country":"Australia","shortName":"Australia","file":"Australia.html","roomCount":2},{"slug":"ukraine","country":"Ukraine","shortName":"Ukraine","file":"Ukraine.html","roomCount":1},{"slug":"mexico","country":"Mexico","shortName":"Mexico","file":"Mexico.html","roomCount":6},{"slug":"sweden","country":"Sweden","shortName":"Sweden","file":"Sweden.html","roomCount":7},{"slug":"pakistan","country":"Pakistan","shortName":"Pakistan","file":"Pakistan.html","roomCount":2},{"slug":"argentina","country":"Argentina","shortName":"Argentina","file":"Argentina.html","roomCount":3},{"slug":"egypt","country":"Egypt","shortName":"Egypt","file":"Egypt.html","roomCount":3},{"slug":"iraq","country":"Iraq","shortName":"Iraq","file":"Iraq.html","roomCount":1},{"slug":"south-africa","country":"South Africa","shortName":"South Africa","file":"South-Africa.html","roomCount":2},{"slug":"spain","country":"Spain","shortName":"Spain","file":"Spain.html","roomCount":2},{"slug":"ethiopia","country":"Ethiopia","shortName":"Ethiopia","file":"Ethiopia.html","roomCount":1}],"properties":[{"id":"peru-chancery","sceneId":"campus","title":"Embassy of the Republic of Peru","address":"1700 Massachusetts Avenue NW, Washington, DC","summary":"Jules Henri de Sibour designed this limestone house for Emily J. Wilkins. Peru acquired it from Australia in 1973.","modeled":true,"facts":[{"value":1910,"display":"1910","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0016/data/dc0016data.pdf","https://www.embassyofperu.org/chancery"],"verifiedOn":"2026-10-20","note":"Construction began spring 1909 and ended June 1910. CAMA records 1930; the contemporaneous permit/HABS chronology takes priority.","label":"Constructed","basis":"","status":"verified"},{"value":1973,"display":"31 January 1973","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0016/data/dc0016data.pdf","https://www.embassyofperu.org/chancery"],"verifiedOn":"2026-10-20","label":"Acquired by Peru","note":"","basis":"","status":"verified"},{"value":"Dupont Circle","display":"Dupont Circle","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0016/data/dc0016data.pdf"],"verifiedOn":"2026-10-24","label":"Neighborhood","note":"","basis":"Geographic neighborhood of 1700 Massachusetts Avenue NW, at the western edge of Scott Circle. Neighborhood labels use familiar geographic names.","status":"verified","checkedOn":"2026-10-24"},{"value":"Jules Henri de Sibour","display":"Jules Henri de Sibour","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0016/data/dc0016data.pdf","https://www.embassyofperu.org/chancery"],"verifiedOn":"2026-10-20","label":"Architect","note":"","basis":"","status":"verified"},{"value":null,"display":"20–40 est.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%270158%250072%27&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-20","note":"Commercial CAMA inventory does not provide room count.","label":"Rooms","basis":"Editorial estimate from the documented 20,250 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","status":"estimated","estimateRange":[20,40],"confidence":"low"},{"value":20250,"display":"20,300 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","basis":"DC gross building area","label":"Floor area","note":"","status":"verified","checkedOn":"2026-10-24"},{"value":5121,"display":"5,100 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","basis":"Parcel total: 0158/0072. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","label":"Site area","note":"","status":"verified","checkedOn":"2026-10-24"},{"value":9904330,"display":"$9.9M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","year":2026,"label":"2026 Value","basis":"Parcel total: 0158/0072. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24"}],"notes":["Construction began spring 1909 and ended June 1910. CAMA records 1930; the contemporaneous permit/HABS chronology takes priority.","Commercial CAMA inventory does not provide room count.","DC tax assessment. ASSESSMENT is the current total; CY1YEAR and CY2YEAR are both 2026. NEWTOTAL is a proposed value and is not used.","DC tax valuation. A verified 1973 purchase price was not found."],"sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0016/data/dc0016data.pdf","https://www.embassyofperu.org/chancery","https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Application%20for%20a%20Commemorative%20Work%20-%20Cesar%20Vallejo%2004-17-24%20-%20FINAL.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%270158%250072%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%270158%250072%27+OR+SSL+LIKE+%272282%250809%27+OR+SSL+LIKE+%272282%250808%27+OR+SSL+LIKE+%272282%250810%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":20250,"siteSqft":5121,"assessment2026":9904330,"acquiredYear":1973,"constructedYear":1910,"occupiedYear":1973,"floorBasis":"DC gross building area","lat":38.9077064,"lon":-77.0388107,"coordinateBasis":"Approximate location from official DC parcel geometry; street marker may use 38.907836, -77.038653 from the 2024 embassy site application.","constructedDisplay":"1910","acquiredDisplay":"31 January 1973","occupiedDisplay":"1973","metricNote":"DC gross building area. One parcel: 0158/0072 ","roomEstimate":{"display":"20–40 est.","range":[20,40],"status":"estimated","confidence":"low","method":"Editorial estimate from the documented 20,250 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%270158%250072%27&outFields=%2A&returnGeometry=false&f=pjson"],"assumptions":{"enclosedAreaShare":[0.55,0.65],"averageRoomSqft":[350,500],"rounding":"Outward to nearest five"},"preparedOn":"2026-10-21"},"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0158/0072. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0158/0072. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0072%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["0158    0072"],"assessmentJurisdiction":"District of Columbia","neighborhood":"Dupont Circle","neighborhoodBasis":"Geographic neighborhood of 1700 Massachusetts Avenue NW, at the western edge of Scott Circle. Neighborhood labels use familiar geographic names.","propertyId":"chancery","country":"Peru","slug":"peru","file":"Peru.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"peru-residence","sceneId":"residence","title":"Peruvian Ambassador’s Residence","address":"3001 Garrison Street NW, Washington, DC","summary":"The former Tompkins house stands above Rock Creek Park on a wooded estate. Peru acquired the property in 1944.","modeled":true,"facts":[{"value":1928,"display":"1928","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://www.fox5dc.com/good-day-dc/inside-the-embassy-of-peru-with-fox-5"],"verifiedOn":"2026-10-20","note":"DC CAMA uses 1925. The DC Historic Preservation Ward 3 guide and dated house history use 1928; do not silently average.","label":"Constructed","basis":"","status":"verified"},{"value":1944,"display":"1944","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"verifiedOn":"2026-10-20","label":"Acquired by Peru","note":"","basis":"","status":"verified"},{"value":"Forest Hills","display":"Forest Hills","sourceUrls":["https://foresthillsconnection.com/forest-hills-in-the-civil-war/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"verifiedOn":"2026-10-24","label":"Neighborhood","note":"","basis":"The local historical account explicitly locates the Peruvian ambassador’s residence at 3001 Garrison Street NW in Forest Hills; the DC Ward 3 Heritage Guide identifies the same Tompkins estate.","status":"verified","checkedOn":"2026-10-24"},{"value":"Horace Peaslee","display":"Horace Peaslee","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://cosas.pe/casas/las-casonas-del-peru-que-refuerzan-el-lazo-de-200-anos-de-relaciones-diplomaticas-con-estados-unidos"],"verifiedOn":"2026-10-20","label":"Architect","note":"","basis":"","status":"verified"},{"value":23,"display":"23","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","label":"Rooms","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","status":"verified","checkedOn":"2026-10-24"},{"value":14906,"display":"14,900 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","basis":"DC gross building area","label":"Floor area","note":"","status":"verified","checkedOn":"2026-10-24"},{"value":1115550,"display":"1,115,550 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%270158%250072%27+OR+SSL+LIKE+%272282%250809%27+OR+SSL+LIKE+%272282%250808%27+OR+SSL+LIKE+%272282%250810%27&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-20","note":"Estate includes adjoining parcels 2282/0808, 0809 and 0810; main house parcel alone is 451,804 sq ft.","acres":25.609504132231404,"basis":"Sum of three Peru-owned parcels","label":"Estate area","status":"verified"},{"value":27852400,"display":"$27.9M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","year":2026,"label":"2026 Value","basis":"Sum of nonoverlapping estate parcels: 2282/0808, 2282/0809, 2282/0810. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":1115550,"display":"1,115,600 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Sum of nonoverlapping estate parcels: 2282/0808, 2282/0809, 2282/0810. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["DC CAMA uses 1925. The DC Historic Preservation Ward 3 guide and dated house history use 1928; do not silently average.","DC inventory count; a 2017 magazine feature reports 16. Not interchangeable definitions.","Estate includes adjoining parcels 2282/0808, 0809 and 0810; main house parcel alone is 451,804 sq ft.","DC tax assessment. ASSESSMENT is the current total; CY1YEAR and CY2YEAR are both 2026. NEWTOTAL is a proposed value and is not used. Sum of three estate parcels, including $27,031,000 for the house parcel.","The estate assessment combines three adjoining Peru-owned parcels. DC tax valuation. The DC inventory counts 23 rooms; a 2017 magazine feature counts 16. The $70,000 figure is the original construction cost; Peru’s 1944 purchase price was not found."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://www.fox5dc.com/good-day-dc/inside-the-embassy-of-peru-with-fox-5","https://www.apcwdw.com/visit-to-battery-terrill","https://cosas.pe/casas/las-casonas-del-peru-que-refuerzan-el-lazo-de-200-anos-de-relaciones-diplomaticas-con-estados-unidos","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/25/query?where=SSL+LIKE+%272282%250809%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%270158%250072%27+OR+SSL+LIKE+%272282%250809%27+OR+SSL+LIKE+%272282%250808%27+OR+SSL+LIKE+%272282%250810%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://foresthillsconnection.com/forest-hills-in-the-civil-war/"],"floorSqft":14906,"siteSqft":1115550,"assessment2026":27852400,"acquiredYear":1944,"constructedYear":1928,"occupiedYear":1944,"floorBasis":"DC gross building area","lat":38.956375,"lon":-77.0606167,"coordinateBasis":"Approximate location of the main parcel, based on the DC owner polygon.","constructedDisplay":"1928","acquiredDisplay":"1944","occupiedDisplay":"1944","metricNote":"DC gross building area. Sum of three Peru-owned parcels Estate includes adjoining parcels 2282/0808, 0809 and 0810; main house parcel alone is 451,804 sq ft.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2282/0808, 2282/0809, 2282/0810. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2282/0808, 2282/0809, 2282/0810. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272282++++0808%27%2C%272282++++0809%27%2C%272282++++0810%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2282    0808","2282    0809","2282    0810"],"assessmentJurisdiction":"District of Columbia","neighborhood":"Forest Hills","neighborhoodBasis":"The local historical account explicitly locates the Peruvian ambassador’s residence at 3001 Garrison Street NW in Forest Hills; the DC Ward 3 Heritage Guide identifies the same Tompkins estate.","rooms":23,"propertyId":"residence","country":"Peru","slug":"peru","file":"Peru.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"kazakhstan-chancery","sceneId":"campus","title":"Embassy of the Republic of Kazakhstan","address":"1401 16th Street NW, Washington, DC 20036","summary":"The 1888 Susan Shields House stands at 16th and O Streets. Its brick walls, steep roof and corner tower predate the building’s diplomatic use.","modeled":true,"facts":[{"value":1888,"display":"1888","sourceIds":["KZ-S02","KZ-S03"],"sourceUrls":["https://www.gov.kz/memleket/entities/mfa-washington/press/article/details/202218","https://sah-archipedia.org/buildings/DC-01-MH04"],"note":"DC CAMA AYB1892 differs; architectural sources retain 1888.","label":"Constructed","basis":"","status":"verified"},{"value":1998,"display":"June 1998","sourceIds":["KZ-V3-ACQUISITION","KZ-V3-1999"],"sourceUrls":["https://kiar.center/how-the-mansion-bought-for-the-state-money-for-the-ambassador-of-the-republic-of-kazakhstan-to-the-usa-ended-up-with-a-private-owner/","https://respublika.kz.media/archives/50460","https://1997-2001.state.gov/about_state/contacts/diplist/1999/99winter_3.html"],"note":"KIAR’s 2021 account of Civil Action 14-cv-1638 identifies the purchase of 1401 16th Street with two other properties in June 1998. The purchase date comes from a secondary account of the filing; the deed has not been examined.","reportedYear":1998,"reportedDisplay":"June 1998","label":"Acquired by Kazakhstan","basis":"","status":"documented","verifiedOn":"2026-10-21"},{"value":"Dupont Circle","display":"Dupont Circle","sourceIds":["KZ-S23"],"sourceUrls":["https://www.compass.com/homedetails/1401-16th-St-NW-Washington-DC-20005/1UT879_pid/"],"note":"Common neighborhood name; DC assessment neighborhood is Old City2.","label":"Neighborhood","basis":"","status":"verified"},{"value":"Samuel Edmonston","display":"Samuel Edmonston","sourceIds":["KZ-S03"],"sourceUrls":["https://sah-archipedia.org/buildings/DC-01-MH04"],"note":"","label":"Architect","basis":"","status":"verified"},{"value":null,"display":"20–35 est.","sourceIds":[],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23"],"note":"","label":"Rooms","basis":"Editorial estimate from the documented 18,826 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","status":"estimated","estimateRange":[20,35],"confidence":"low"},{"value":18826,"display":"18,800 sq ft","sourceIds":["KZ-V3-CAMA-C"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"CAMA living/gross building area","label":"Floor area","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"value":10200,"display":"10,200 sq ft","sourceIds":["KZ-V3-CAMA-C","KZ-V3-PARCELS"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","label":"Site area","basis":"Parcel total: 0195/0847. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"value":22736970,"display":"$22.7M","sourceIds":["KZ-V3-ITSPE","KZ-V3-PDF"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","year":2026,"label":"2026 Value","basis":"Parcel total: 0195/0847. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["1888 architectural construction date differs from 1892 in tax inventory.","Reported acquisition month and year; independent verification remains pending.","The chancery parcel measure and assessment exclude adjacent Kazakhstan-owned properties.","DC CAMA AYB1892 differs; architectural sources retain 1888.","Common neighborhood name; DC assessment neighborhood is Old City2.","DC commercial CAMA LIVING_GBA; source definition retained.","Main chancery parcel only; excludes separate Kazakhstan-owned parking and adjoining O Street parcel.","Tax assessment: $11,413,090 for land and $11,323,880 for improvements. Printed PDFp.271.","The display uses the main chancery parcel only. Adjoining Kazakhstan-owned properties are excluded from these area and assessment figures.","KIAR’s 2021 account of Civil Action 14-cv-1638 identifies the purchase of 1401 16th Street with two other properties in June 1998. The purchase date comes from a secondary account of the filing; the deed has not been examined."],"sourceUrls":["https://www.gov.kz/memleket/entities/mfa-washington/press/article/details/202218","https://sah-archipedia.org/buildings/DC-01-MH04","https://respublika.kz.media/archives/50460","https://1997-2001.state.gov/about_state/contacts/diplist/1999/99winter_3.html","https://www.compass.com/homedetails/1401-16th-St-NW-Washington-DC-20005/1UT879_pid/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://kiar.center/how-the-mansion-bought-for-the-state-money-for-the-ambassador-of-the-republic-of-kazakhstan-to-the-usa-ended-up-with-a-private-owner/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":18826,"siteSqft":10200,"assessment2026":22736970,"acquiredYear":1998,"constructedYear":1888,"occupiedYear":1999,"floorBasis":"CAMA living/gross building area","lat":38.908894999545964,"lon":-77.0360003798921,"coordinateBasis":"Public DC parcel centroid; map locator, not entrance position","constructedDisplay":"1888","acquiredDisplay":"June 1998","occupiedDisplay":"1999","metricNote":"CAMA living/gross building area.  Main chancery parcel only; excludes separate Kazakhstan-owned parking and adjoining O Street parcel.","roomEstimate":{"display":"20–35 est.","range":[20,35],"status":"estimated","confidence":"low","method":"Editorial estimate from the documented 18,826 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23"],"assumptions":{"enclosedAreaShare":[0.55,0.65],"averageRoomSqft":[350,500],"rounding":"Outward to nearest five"},"preparedOn":"2026-10-21"},"neighborhood":"Dupont Circle","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0195/0847. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0195/0847. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"CAMA living/gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270195++++0847%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["0195    0847"],"assessmentJurisdiction":"District of Columbia","propertyId":"chancery","country":"Kazakhstan","slug":"kazakhstan","file":"Kazakhstan.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"kazakhstan-residence","sceneId":"residence","title":"Kazakh Ambassador’s Residence","address":"2910 Edgevale Terrace NW, Washington, DC 20008","summary":"Kazakhstan bought this Edgevale Terrace house in January 2013 for its ambassador’s residence. The stone and stucco exterior has a recessed entrance, two unequal wings and a slate roof.","modeled":true,"facts":[{"value":1968,"display":"1968","sourceIds":["KZ-V3-CAMA-R"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25"],"note":"Remodeled 2009; tax-record date, not verified architectural construction chronology.","label":"Constructed","basis":"","status":"verified"},{"value":2013,"display":"January 2013","sourceIds":["KZ-S06","KZ-V3-CAMA-R"],"sourceUrls":["https://washdiplomat.com/embassies-need-extra-direction-to-navigate-dc-real-estate-market/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25"],"note":"Official tax record uses Jan31; archived listing gives Jan23. Month-level display preserves discrepancy.","label":"Acquired by Kazakhstan","basis":"","status":"verified"},{"value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","sourceIds":["KZ-V3-ITSPE"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53"],"note":"DC assessment neighborhood; commonly marketed as Woodland–Normanstone.","label":"Neighborhood","basis":"","status":"verified"},{"value":null,"display":"Not Verified","sourceIds":[],"sourceUrls":[],"note":"","label":"Architect","basis":"","status":"unverified"},{"value":13,"display":"13","sourceIds":["KZ-V3-CAMA-R"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","label":"Rooms","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"value":5768,"display":"5,800 sq ft","sourceIds":["KZ-V3-CAMA-R"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Residential CAMA gross building area","label":"Floor area","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"value":10846,"display":"10,800 sq ft","sourceIds":["KZ-V3-CAMA-R","KZ-V3-PARCELS"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","label":"Site area","basis":"Parcel total: 2199/0023. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"value":6881350,"display":"$6.9M","sourceIds":["KZ-V3-ITSPE","KZ-V3-PDF"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","year":2026,"label":"2026 Value","basis":"Parcel total: 2199/0023. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["Purchased for$5,495,000 in January 2013; do not confuse purchase price with 2026 assessment.","2026 official ownership verified; current individual occupancy is not inferred.","Main mass, entrance and roof follow the approved rebuilt model; unseen rear openings remain simplified.","Remodeled 2009; tax-record date, not verified architectural construction chronology.","Official tax record uses Jan31; archived listing gives Jan23. Month-level display preserves discrepancy.","DC assessment neighborhood; commonly marketed as Woodland–Normanstone.","DC residential CAMA room inventory; not number of bedroom suites or modeled rooms.","Residential CAMA GBA; archived real-estate listings describe the same number as living area. Recorded building area.","Land$1,440,670 + improvements$5,440,680; printed PDFp.280. Tax valuation."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://washdiplomat.com/embassies-need-extra-direction-to-navigate-dc-real-estate-market/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":5768,"siteSqft":10846,"assessment2026":6881350,"acquiredYear":2013,"constructedYear":1968,"occupiedYear":2013,"floorBasis":"Residential CAMA gross building area","lat":38.91987019617651,"lon":-77.0572451410051,"coordinateBasis":"Public DC parcel centroid; map locator, not entrance position","constructedDisplay":"1968","acquiredDisplay":"January 2013","occupiedDisplay":"2013","metricNote":"Residential CAMA gross building area.  ","neighborhood":"Woodland-Normanstone","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2199/0023. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2199/0023. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Residential CAMA gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0023%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2199    0023"],"assessmentJurisdiction":"District of Columbia","rooms":13,"propertyId":"residence","country":"Kazakhstan","slug":"kazakhstan","file":"Kazakhstan.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"cuba-chancery","sceneId":"campus","title":"Embassy of the Republic of Cuba","address":"2630 16th Street NW, Washington, DC","summary":"Cuba commissioned this limestone legation on 16th Street. The same building later housed its Interests Section and became an embassy again in 2015.","modeled":true,"facts":[{"value":1918,"display":"1918","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Meridian%20Hill%20Historic%20District%20NR%20FINAL.pdf","https://www.popville.com/2015/07/streets-of-washington-presents-the-return-of-the-cuban-embassy-on-16th-street/"],"verifiedOn":"2026-10-24","note":"","label":"Constructed","basis":"The Meridian Hill Historic District National Register inventory table assigns 1918 to the Cuban Legation at 2630 16th Street. The narrative also mentions 1916, but its November 1916 citations describe plans and bids rather than completed construction. Construction was completed in 1918.","status":"verified","checkedOn":"2026-10-24"},{"value":1917,"display":"1917 (site)","sourceUrls":["https://dcpreservation.org/wp-content/uploads/2025/05/The-History-of-the-Latino-Community-of-Washington-D.C.-1943-1991.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Meridian%20Hill%20Historic%20District%20NR%20FINAL.pdf"],"verifiedOn":"2026-10-21","note":"DC Preservation League / DC Historic Preservation Office, 2025 historic context, p.22: funds approved in 1915 and site purchased two years later. Its completion chronology differs from the Meridian Hill nomination; retain the construction-date uncertainty separately.","label":"Acquired by Cuba","basis":"","status":"documented"},{"value":"Meridian Hill","display":"Meridian Hill","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Meridian%20Hill%20Historic%20District%20NR%20FINAL.pdf"],"verifiedOn":"2026-10-20","note":"DC tax assessment neighborhood is Mount Pleasant; Meridian Hill is the historic-district/site label.","label":"Neighborhood","basis":"","status":"verified"},{"value":"MacNeil & MacNeil","display":"MacNeil & MacNeil","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Meridian%20Hill%20Historic%20District%20NR%20FINAL.pdf"],"verifiedOn":"2026-10-20","label":"Architect","note":"","basis":"","status":"verified"},{"value":null,"display":"25–45 est.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%272575%250843%27&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-20","note":"Commercial CAMA inventory does not supply a room count.","label":"Rooms","basis":"Editorial estimate from the documented 22,849 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","status":"estimated","estimateRange":[25,45],"confidence":"low"},{"value":22849,"display":"22,800 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","basis":"DC gross building area","label":"Floor area","note":"","status":"verified","checkedOn":"2026-10-24"},{"value":26775,"display":"26,800 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","basis":"Parcel total: 2575/0843. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","label":"Site area","note":"","status":"verified","checkedOn":"2026-10-24"},{"value":13097500,"display":"$13.1M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","year":2026,"label":"2026 Value","basis":"Parcel total: 2575/0843. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1918,"display":"1918","status":"verified","sourceUrls":["https://archive.org/download/registercontaini1918unit/registercontaini1918unit_djvu.txt"],"basis":"The 1918 State Department Register, p. 217, lists both the Cuban minister’s residence and Office of the Legation at 2630 Sixteenth Street. This contemporaneous government directory verifies diplomatic use in 1918 independently of later construction-date summaries.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["District nomination narrative says 1916; inventory and CAMA use 1918. AFP reports a 1917 opening. Retain the date range.","DC tax assessment neighborhood is Mount Pleasant; Meridian Hill is the historic-district/site label.","Commercial CAMA inventory does not supply a room count.","DC tax assessment. ASSESSMENT is the current total; CY1YEAR and CY2YEAR are both 2026. NEWTOTAL is a proposed value and is not used.","DC Preservation League / DC Historic Preservation Office, 2025 historic context, p.22: funds approved in 1915 and site purchased two years later. Its completion chronology differs from the Meridian Hill nomination; retain the construction-date uncertainty separately."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Meridian%20Hill%20Historic%20District%20NR%20FINAL.pdf","https://www.latercera.com/noticia/la-historia-de-la-casa-de-la-calle-16-en-washington-que-volvio-a-ser-la-embajada-de-cuba/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%272575%250843%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%272575%250843%27&outFields=%2A&returnGeometry=false&f=pjson","https://dcpreservation.org/wp-content/uploads/2025/05/The-History-of-the-Latino-Community-of-Washington-D.C.-1943-1991.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://www.popville.com/2015/07/streets-of-washington-presents-the-return-of-the-cuban-embassy-on-16th-street/","https://archive.org/download/registercontaini1918unit/registercontaini1918unit_djvu.txt"],"floorSqft":22849,"siteSqft":26775,"assessment2026":13097500,"acquiredYear":1917,"constructedYear":1918,"occupiedYear":1918,"floorBasis":"DC gross building area","lat":38.9242051,"lon":-77.0372539,"coordinateBasis":"Approximate location from official DC parcel polygon.","constructedDisplay":"1918","acquiredDisplay":"1917 (site)","occupiedDisplay":"1918","metricNote":"DC gross building area. Parcel 2575/0843 includes rear garage ","roomEstimate":{"display":"25–45 est.","range":[25,45],"status":"estimated","confidence":"low","method":"Editorial estimate from the documented 22,849 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%272575%250843%27&outFields=%2A&returnGeometry=false&f=pjson"],"assumptions":{"enclosedAreaShare":[0.55,0.65],"averageRoomSqft":[350,500],"rounding":"Outward to nearest five"},"preparedOn":"2026-10-21"},"neighborhood":"Adams Morgan","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2575/0843. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2575/0843. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272575++++0843%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2575    0843"],"assessmentJurisdiction":"District of Columbia","propertyId":"chancery","country":"Cuba","slug":"cuba","file":"Cuba.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"cuba-residence","sceneId":null,"title":"Cuban Ambassador’s Residence","address":"Current address not verified","summary":"A separate official residence is documented, but its current address and building have not been established from the available public records.","modeled":false,"facts":[{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Constructed","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Acquired by Cuba","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Neighborhood","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Architect","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Rooms","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Floor area","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"Site area","basis":"","status":"unverified"},{"value":null,"display":"Not Verified","sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"verifiedOn":"2026-10-20","note":"AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","label":"2026 Value","basis":"","status":"unverified"}],"notes":["AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","Further research located a public 2012 invitation naming a residence in Bethesda’s Kenwood Park. Google Maps satellite and October 2025 Street View were inspected, but foliage obscures much of the building and Maps 3D was unavailable. The historical lead has not established the present official residence sufficiently for a current-property model or room estimate."],"sourceUrls":["https://www.wwnytv.com/2022/04/23/cuba-us-take-tentative-step-with-talks-migration/"],"floorSqft":null,"siteSqft":null,"assessment2026":null,"acquiredYear":null,"constructedYear":null,"occupiedYear":null,"floorBasis":"DC property inventory","lat":null,"lon":null,"coordinateBasis":"Parcel centroid","constructedDisplay":"Not Verified","acquiredDisplay":"Not verified","occupiedDisplay":"Not Verified","metricNote":"DC property inventory.  AP documented a separate official residence outside Washington in April 2022; current identity and parcel remain unverified.","neighborhood":null,"neighborhoodBasis":"Current address not verified.","propertyId":"residence","country":"Cuba","slug":"cuba","file":"Cuba.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"france-chancery","sceneId":"chancery","title":"Embassy of the French Republic","address":"4101 Reservoir Rd NW Washington DC 20007","summary":"The main office building surrounds a series of courtyards on the Reservoir Road campus, beside La Maison Française.","overviewTitle":"Chancery grounds","overviewLabel":"Whole chancery","compoundDescription":"The main chancery and La Maison Française share the Reservoir Road campus. Select a building or feature to take a closer look.","cameraLocations":[],"modeled":true,"facts":[{"label":"Constructed","display":"1984","value":1984,"status":"verified","sourceUrls":["https://town.hall.org/travel/france/embassy/page3.html"],"checkedOn":"2026-10-20","note":"Construction ran from May 1982 to December 1984.","basis":""},{"label":"Acquired by France","display":"1973","value":1973,"status":"verified","sourceUrls":["https://town.hall.org/travel/france/embassy/page3.html"],"checkedOn":"2026-10-20","note":"Acquisition of the site, before construction.","basis":""},{"label":"Neighborhood","display":"Burleith","value":"Burleith","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271320++++0802%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"DC assessment neighborhood.","basis":""},{"label":"Architect","display":"André Remondet","value":"André Remondet","status":"verified","sourceUrls":["https://town.hall.org/travel/france/embassy/page3.html"],"checkedOn":"2026-10-20","note":"","basis":""},{"label":"Rooms","display":"175–300 est.","value":null,"status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271320++++0802%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"","basis":"Editorial estimate from the documented 160,000 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan. The estimate uses 160,000 sq ft; a larger historical figure also includes three parking levels.","estimateRange":[175,300],"confidence":"low"},{"label":"Floor area","display":"160,000 sq ft","value":160000,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"DC CAMA living gross building area","note":"","verifiedOn":"2026-10-24"},{"label":"Site area","display":"348,500 sq ft","value":348480,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"Parcel total: 1320/0802. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$79.3M","value":79255270,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Parcel total: 1320/0802. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","verifiedOn":"2026-10-24"}],"notes":["Current DC CAMA LIVING_GBA is 160,000 sq ft. The historical embassy page reports about 350,000 sq ft total, including a three-level garage, and 131,000 sq ft offices. These are different measurement scopes; 350,000 is not substituted into the comparable current CAMA field.","Construction ran from May 1982 to December 1984.","Acquisition of the site, before construction.","DC assessment neighborhood.","Current assessed value; both CY1YEAR and CY2YEAR are 2026. Current tax assessment. Record extracted 2026-08-03."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271320++++0802%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271320++++0802%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://town.hall.org/travel/france/embassy/page3.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":160000,"siteSqft":348480,"assessment2026":79255270,"occupiedYear":1984,"acquiredYear":1973,"constructionYear":1984,"constructedYear":1984,"floorBasis":"DC CAMA living gross building area","lat":38.913868,"lon":-77.078548,"coordinateBasis":"Approximate centroid derived from DCGIS owner polygon; not entrance coordinates.","constructedDisplay":"1984","acquiredDisplay":"1973","occupiedDisplay":"1984","metricNote":"DC CAMA living gross building area. DC current active assessment parcel ","roomEstimate":{"display":"175–300 est.","range":[175,300],"status":"estimated","confidence":"low","method":"Editorial estimate from the documented 160,000 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan. The estimate uses 160,000 sq ft; a larger historical figure also includes three parking levels.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271320++++0802%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"assumptions":{"enclosedAreaShare":[0.55,0.65],"averageRoomSqft":[350,500],"rounding":"Outward to nearest five"},"preparedOn":"2026-10-21"},"neighborhood":"Foxhall","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1320/0802. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1320/0802. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271320++++0802%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["1320    0802"],"assessmentJurisdiction":"District of Columbia","parentPropertyId":"compound","kind":"chancery","measurementScope":"Figures cover the whole embassy compound.","defaultFocus":{"id":"main-chancery","preset":"mainChancery"},"propertyId":"chancery","country":"France","slug":"france","file":"France.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"france-residence","sceneId":"residence","title":"French Ambassador’s Residence","address":"2221 Kalorama Rd NW Washington DC 20008","summary":"France acquired the Lawrence–Hammond house in 1936. Its brick and limestone exterior, steep gables and towers overlook a separate Kalorama garden.","modeled":true,"facts":[{"label":"Constructed","display":"1911","value":1911,"status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272526++++0194%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"Historic nomination records the 1910 building permit; current CAMA gives 1911 as average year built. The range preserves that distinction.","basis":""},{"label":"Acquired by France","display":"1936","value":1936,"status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-20","note":"","basis":""},{"label":"Neighborhood","display":"Kalorama","value":"Kalorama","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272526++++0194%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"DC assessment neighborhood.","basis":""},{"label":"Architect","display":"Jules Henri de Sibour","value":"Jules Henri de Sibour","status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-20","note":"","basis":""},{"label":"Rooms","display":"35","value":35,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","verifiedOn":"2026-10-24"},{"label":"Floor area","display":"20,300 sq ft","value":20323,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"DC CAMA gross building area","note":"","verifiedOn":"2026-10-24"},{"label":"Site area","display":"107,100 sq ft","value":107055,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"Parcel total: 2526/0194. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$41.4M","value":41431320,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Parcel total: 2526/0194. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","verifiedOn":"2026-10-24"}],"notes":["Current DC CAMA GBA is 20,323 sq ft. Real-estate aggregators publish 20,015 sq ft living and 27,254 sq ft building area; current primary CAMA is used here. CAMA room count is 35.","Historic nomination records the 1910 building permit; current CAMA gives 1911 as average year built. The range preserves that distinction.","DC assessment neighborhood.","Current assessed value; both CY1YEAR and CY2YEAR are 2026. Current tax assessment. Record extracted 2026-08-03."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272526++++0194%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272526++++0194%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":20323,"siteSqft":107055,"assessment2026":41431320,"occupiedYear":1936,"acquiredYear":1936,"constructionYear":1911,"constructedYear":1911,"floorBasis":"DC CAMA gross building area","lat":38.918407,"lon":-77.05069,"coordinateBasis":"Approximate centroid derived from DCGIS owner polygon; not entrance coordinates.","constructedDisplay":"1911","acquiredDisplay":"1936","occupiedDisplay":"1936","metricNote":"DC CAMA gross building area. DC current active assessment parcel ","neighborhood":"Sheridan-Kalorama","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2526/0194. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2526/0194. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272526++++0194%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2526    0194"],"assessmentJurisdiction":"District of Columbia","rooms":35,"propertyId":"residence","country":"France","slug":"france","file":"France.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"korea-chancery","sceneId":"campus","title":"Embassy of the Republic of Korea","address":"2450 Massachusetts Ave NW Washington DC 20008","summary":"The former Canadian Joint Staff building became the Republic of Korea’s chancery in November 1992. Its limestone frontage faces Massachusetts Avenue in Kalorama.","modeled":true,"facts":[{"label":"Constructed","display":"1955","value":1955,"status":"verified","sourceUrls":["https://jproc.ca/crowsnest/Crowsnest-1955_2.pdf#page=84"],"checkedOn":"2026-10-24","note":"","basis":"The contemporary Royal Canadian Navy journal Crowsnest, September 1955, vol. 7 no. 11, p. 18 (PDF p. 84), states that the Canadian Services building was completed and occupied on January 10, 1955. This direct completion account supersedes the assessment year 1953 and the earlier architectural-project reporting.","verifiedOn":"2026-10-24"},{"label":"Acquired by Korea","display":"May 1990","value":1990,"status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Context%20COMPLETE.pdf"],"checkedOn":"2026-10-20","note":"Purchased from Canada; occupied by the ROK mission on 20 November 1992.","basis":""},{"label":"Neighborhood","display":"Kalorama","value":"Kalorama","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272500++++0856%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"DC assessment neighborhood.","basis":""},{"label":"Architect","display":"Marani & Morris","value":"Marani & Morris","status":"verified","sourceUrls":["https://dalspaceb.library.dal.ca/server/api/core/bitstreams/c1bb9c45-0122-47b2-9942-06f13a2c9f82/content"],"checkedOn":"2026-10-20","note":"","basis":""},{"label":"Rooms","display":"65–115 est.","value":null,"status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272500++++0856%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"","basis":"Editorial estimate from the documented 61,666 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","estimateRange":[65,115],"confidence":"low"},{"label":"Floor area","display":"61,700 sq ft","value":61666,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"DC CAMA living gross building area","note":"","verifiedOn":"2026-10-24"},{"label":"Site area","display":"25,900 sq ft","value":25944,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"Parcel total: 2500/0856. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$56.5M","value":56526500,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Parcel total: 2500/0856. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1955,"display":"1955","status":"verified","sourceUrls":["https://jproc.ca/crowsnest/Crowsnest-1955_2.pdf#page=84"],"basis":"The contemporary Royal Canadian Navy journal Crowsnest, September 1955, vol. 7 no. 11, p. 18 (PDF p. 84), dates completion and Canadian Services occupation to January 10, 1955. Earliest diplomatic use at the property therefore predates Korea’s 1992 occupation. The February 1955 State diplomatic list also places the Canadian offices at 2450 Massachusetts Avenue.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The Royal Canadian Navy magazine Crowsnest (September 1955, p. 18) explicitly records completion and occupation on 10 January 1955. This contemporary completion account supersedes the conflicting 1952 architectural-journal date and 1953 inventory/assessment date. The February 1955 State Department directory independently lists the Canadian military, naval, air and defense-research offices at 2450 Massachusetts Avenue.","Purchased from Canada; occupied by the ROK mission on 20 November 1992.","DC assessment neighborhood.","Current assessed value; both CY1YEAR and CY2YEAR are 2026. Current tax assessment. Record extracted 2026-08-03."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272500++++0856%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272500++++0856%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://dalspaceb.library.dal.ca/server/api/core/bitstreams/c1bb9c45-0122-47b2-9942-06f13a2c9f82/content","https://dcpreservation.org/wp-content/uploads/2015/06/New-Inventory-Sep-2004-03-11.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Context%20COMPLETE.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://jproc.ca/crowsnest/Crowsnest-1955_2.pdf#page=84"],"floorSqft":61666,"siteSqft":25944,"assessment2026":56526500,"occupiedYear":1955,"acquiredYear":1990,"constructionYear":1955,"constructedYear":1955,"floorBasis":"DC CAMA living gross building area","lat":38.914522,"lon":-77.054673,"coordinateBasis":"Approximate centroid derived from DCGIS owner polygon; not entrance coordinates.","constructedDisplay":"1955","acquiredDisplay":"May 1990","occupiedDisplay":"1955","metricNote":"DC CAMA living gross building area. DC current active assessment parcel ","roomEstimate":{"display":"65–115 est.","range":[65,115],"status":"estimated","confidence":"low","method":"Editorial estimate from the documented 61,666 sq ft floor area. Assume that 55–65% is enclosed, occupied room area, with an average of 350–500 sq ft per room; round the resulting limits outward to the nearest five rooms. Circulation, parking, stairs and open workstations are not counted as rooms. The allocation and room sizes are assumptions, not measurements from a floor plan.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272500++++0856%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"assumptions":{"enclosedAreaShare":[0.55,0.65],"averageRoomSqft":[350,500],"rounding":"Outward to nearest five"},"preparedOn":"2026-10-21"},"neighborhood":"Sheridan-Kalorama","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2500/0856. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2500/0856. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0856%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2500    0856"],"assessmentJurisdiction":"District of Columbia","propertyId":"chancery","country":"Republic of Korea","slug":"korea","file":"Korea.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"korea-residence","sceneId":"residence","title":"Korean Ambassador’s Residence","address":"4801 Glenbrook Rd NW Washington DC 20016","summary":"Kim Swoo-geun’s residence was completed in 1986. Low wings and timber balconies enclose an open stone courtyard in Spring Valley.","modeled":true,"facts":[{"label":"Constructed","display":"1986","value":1986,"status":"verified","sourceUrls":["https://www.spacea.com/renew/works_detail.html?idx=169&lang=eng&p_gbn=all","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Context%20COMPLETE.pdf"],"checkedOn":"2026-10-20","note":"Architectural project record gives 1986 completion. CAMA average year built is 1980 and is not adopted as the historical construction date.","basis":""},{"label":"Acquired by Korea","display":"By 1984 (site)","value":null,"status":"estimated","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"checkedOn":"2026-10-20","note":"The Ward 3 Heritage Guide dates construction to 1984–1986. This bounds the purpose-built site’s diplomatic use; it does not establish the land transfer date.","basis":"","verifiedOn":"2026-10-21"},{"label":"Neighborhood","display":"Spring Valley","value":"Spring Valley","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271600++++0004%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson"],"checkedOn":"2026-10-20","note":"DC assessment neighborhood.","basis":""},{"label":"Architect","display":"Kim Swoo-geun (SPACE)","value":"Kim Swoo-geun; SPACE","status":"verified","sourceUrls":["https://www.spacea.com/renew/works_detail.html?idx=169&lang=eng&p_gbn=all","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Context%20COMPLETE.pdf"],"checkedOn":"2026-10-20","note":"","basis":""},{"label":"Rooms","display":"18","value":18,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","verifiedOn":"2026-10-24"},{"label":"Floor area","display":"20,900 sq ft","value":20948,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"DC CAMA gross building area","note":"","verifiedOn":"2026-10-24"},{"label":"Site area","display":"98,100 sq ft","value":98143,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","basis":"Parcel total: 1600/0004. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$19.7M","value":19670280,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","note":"","basis":"Parcel total: 1600/0004. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","verifiedOn":"2026-10-24"}],"notes":["Current active parcel 1600 0004 has 98,143 sq ft land, 20,948 sq ft CAMA gross building area and 18 rooms. Architect’s historical project record gives 1,795.04 m² total floor area (19,321.65 sq ft) and 5,856.14 m² site (63,034.96 sq ft); these refer to a different scope/date.","The same address returns former parcel 1600 0809: DELCODE Y, 63,053 sq ft land and zero current value. It must not be counted as an additional current holding or ranked as a zero-value residence.","Architectural project record gives 1986 completion. CAMA average year built is 1980 and is not adopted as the historical construction date.","DC assessment neighborhood.","Current assessed value; both CY1YEAR and CY2YEAR are 2026. Current tax assessment. Record extracted 2026-08-03.","The Ward 3 Heritage Guide dates construction to 1984–1986. This bounds the purpose-built site’s diplomatic use; it does not establish the land transfer date."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271600++++0004%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271600++++0004%27&outFields=%2A&returnGeometry=false&outSR=4326&f=pjson","https://www.spacea.com/renew/works_detail.html?idx=169&lang=eng&p_gbn=all","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Context%20COMPLETE.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":20948,"siteSqft":98143,"assessment2026":19670280,"occupiedYear":1986,"acquiredYear":null,"constructionYear":1986,"constructedYear":1986,"floorBasis":"DC CAMA gross building area","lat":38.934338,"lon":-77.093197,"coordinateBasis":"Approximate centroid derived from DCGIS owner polygon; not entrance coordinates.","constructedDisplay":"1986","acquiredDisplay":"By 1984 (site)","occupiedDisplay":"1986","metricNote":"DC CAMA gross building area. DC current active assessment parcel ","neighborhood":"Spring Valley","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1600/0004. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1600/0004. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271600++++0004%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["1600    0004"],"assessmentJurisdiction":"District of Columbia","rooms":18,"propertyId":"residence","country":"Republic of Korea","slug":"korea","file":"Korea.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"japan-chancery","sceneId":"chancery","title":"Embassy of Japan","address":"2520 Massachusetts Avenue NW, Washington, DC","summary":"The modern chancery joins a low limestone street front to a taller office block with a glazed roof atrium. It stands beside the older residence and its formal courtyard.","modeled":true,"kind":"building","parcelSSL":"2500    0086","lat":38.91558659496901,"lon":-77.05623568245873,"coordinateBasis":"roof-footprint centroid from DC public geometry in WGS84.","catalogue":true,"notes":["The embassy’s official history dates establishment of the old residence to October 1931. The original site had entered diplomatic use by this date. The deed date and purchase dates of later additions remain unresolved.","Estimated room total; a complete room inventory is unavailable.","Rooms, floor area, land, and assessment cover all buildings on the shared embassy parcel. Individual building studies are available on the embassy page."],"sourceUrls":["https://en.wikipedia.org/wiki/Embassy_of_Japan%2C_Washington%2C_D.C.","https://npgallery.nps.gov/GetAsset/5a419ccf-a838-4208-8130-93ade3194477/","https://www.wmclam.com/index.php/projects.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=UPPER%28OWNERNAME%29+LIKE+%27%25JAPAN%25%27&outFields=%2A&returnGeometry=true&outSR=26985","https://www.us.emb-japan.go.jp/itpr_ja/info.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"floorSqft":153750,"siteSqft":130000,"assessment2026":99596510,"acquiredYear":null,"propertyFamily":"chancery","propertyType":"Chancery","parentPropertyId":"compound","scopeLabel":"Part of the Massachusetts Avenue compound","facts":[{"label":"Constructed","value":1986,"display":"1986","sourceIds":["jp-chancery-date-reported"],"sourceUrls":["https://en.wikipedia.org/wiki/Embassy_of_Japan%2C_Washington%2C_D.C."],"note":"A primary completion record was not located. The reported completion year is retained with an explicit qualifier.","basis":"","status":"reported","checkedOn":"2026-10-21"},{"label":"Acquired by Japan","value":null,"display":"By 1931 (site)","sourceIds":[],"sourceUrls":["https://www.us.emb-japan.go.jp/itpr_ja/info.html"],"note":"The embassy’s official history dates establishment of the old residence to October 1931. The original site had entered diplomatic use by this date. The deed date and purchase dates of later additions remain unresolved.","basis":"","status":"estimated","checkedOn":"2026-10-21","verifiedOn":"2026-10-21"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","sourceIds":["JP-P06"],"sourceUrls":["https://npgallery.nps.gov/GetAsset/5a419ccf-a838-4208-8130-93ade3194477/"],"note":"","basis":"","status":"verified","checkedOn":"2026-10-21"},{"label":"Architect","value":"The Benham Group East","display":"The Benham Group East","sourceIds":["jp-lam-projects"],"sourceUrls":["https://www.wmclam.com/index.php/projects.html"],"note":"Project firm verified in the lighting consultant’s primary record. Robert B. Anderson is a reported individual attribution; the cited 1985 original article has not been independently retrieved.","basis":"","status":"verified","checkedOn":"2026-10-21"},{"label":"Rooms","value":null,"display":"185–350 est.","sourceIds":[],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"Compound range; individual properties are counted only once.","basis":"Sum of the existing 120–220 modern-chancery and 35–60 historic-residence planning ranges, plus an allowance for the remaining compound building area. The remainder assumes the recorded component areas are comparable to the compound area; that assumption is uncertain. Remaining-area rooms = area × 45%–65% ÷ 250–400 sq ft, rounded outward to five rooms. The separate new residence is excluded.","status":"estimated","checkedOn":"2026-10-21"},{"label":"Floor area","value":153750,"display":"153,800 sq ft","sourceIds":["JP-P04"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Commercial CAMA LIVING_GBA, compound record","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":130000,"display":"130,000 sq ft","sourceIds":["JP-P02"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2500/0086. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":99596510,"display":"$99.6M","sourceIds":["JP-P02"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2500/0086. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"constructedYear":1986,"constructedDisplay":"1986","occupiedYear":1986,"occupiedDisplay":"1986","acquiredDisplay":"By 1931 (site)","floorBasis":"Commercial CAMA LIVING_GBA, compound record","metricNote":"This building is part of SSL 2500 0086. The public record provides compound totals, with no defensible allocation to this building.","timelineEventDates":["1983-06-10","1986 (reported)"],"roomEstimate":{"range":[185,350],"status":"estimated","confidence":"low","method":"Sum of the existing 120–220 modern-chancery and 35–60 historic-residence planning ranges, plus an allowance for the remaining compound building area. The remainder assumes the recorded component areas are comparable to the compound area; that assumption is uncertain. Remaining-area rooms = area × 45%–65% ÷ 250–400 sq ft, rounded outward to five rooms. The separate new residence is excluded.","inputs":{"modernChanceryRooms":[120,220],"historicResidenceRooms":[35,60],"remainingAreaSqft":26864.16,"remainingAreaRooms":[30,70]},"uncertainty":"Sum of component room estimates.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"]},"neighborhood":"Sheridan-Kalorama","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Shared estate total: 2500/0086. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Shared estate total: 2500/0086. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Commercial CAMA LIVING_GBA, compound record","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Sum of the existing 120–220 modern-chancery and 35–60 historic-residence planning ranges, plus an allowance for the remaining compound building area. The remainder assumes the recorded component areas are comparable to the compound area; that assumption is uncertain. Remaining-area rooms = area × 45%–65% ÷ 250–400 sq ft, rounded outward to five rooms. The separate new residence is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"]}},"parcelIds":["2500    0086"],"assessmentJurisdiction":"District of Columbia","metricScopes":{"floorSqft":"Above grade","siteSqft":"Shared estate","assessment2026":"Shared estate"},"metricEstimates":{"rooms":{"range":[185,350],"status":"estimated","confidence":"low","method":"Sum of the existing 120–220 modern-chancery and 35–60 historic-residence planning ranges, plus an allowance for the remaining compound building area. The remainder assumes the recorded component areas are comparable to the compound area; that assumption is uncertain. Remaining-area rooms = area × 45%–65% ÷ 250–400 sq ft, rounded outward to five rooms. The separate new residence is excluded.","inputs":{"modernChanceryRooms":[120,220],"historicResidenceRooms":[35,60],"remainingAreaSqft":26864.16,"remainingAreaRooms":[30,70]},"uncertainty":"Sum of component room estimates.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0086%27%29&outFields=%2A&returnGeometry=false&f=pjson"]}},"metricGroupIds":{"siteSqft":"japan-2500-0086","assessment2026":"japan-2500-0086"},"catalogueMetricSourceId":"compound","rooms":null,"roomsDisplay":"185–350","roomsBasis":"Sum of the existing 120–220 modern-chancery and 35–60 historic-residence planning ranges, plus an allowance for the remaining compound building area. The remainder assumes the recorded component areas are comparable to the compound area; that assumption is uncertain. Remaining-area rooms = area × 45%–65% ÷ 250–400 sq ft, rounded outward to five rooms. The separate new residence is excluded.","metricScope":"Embassy estate","propertyId":"chancery","country":"Japan","slug":"japan","file":"Japan.html","propertyCategory":"chancery"},{"id":"japan-residence","sceneId":"residence","title":"Japanese Ambassador’s Residence","address":"4000 Nebraska Avenue NW, Washington, DC","summary":"Isoya Yoshida’s residence extends across a separate Nebraska Avenue estate. White modern wings meet a lower timber passage and tea pavilion beside a garden pond.","modeled":true,"kind":"Residence","parcelSSL":"1640    0809","lat":38.94206736211483,"lon":-77.08394860031507,"coordinateBasis":"parcel centroid from DC public geometry in WGS84.","catalogue":true,"notes":["The model uses the Japan-owned parcel only. The red-roofed neighboring house to the southwest is outside it.","The pond-side timber passage and tea pavilion are part of this residence. These rooms belong to the current residence. The Ippakutei teahouse is at the Massachusetts Avenue compound.","The estate and roof footprints are mapped in metres. Elevations, windows, gardens, and canopies follow photographs and overhead imagery; dimensions are approximate.","The Ward 3 Heritage Guide dates the purpose-built residence to 1974–1977. The site was in diplomatic use by construction; the land transfer date has not been located. Latest possible acquisition year; the exact year remains unresolved.","Estimated room total; a complete room inventory is unavailable."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Bazelon%20McGovern%20House%20Nomination.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=UPPER%28OWNERNAME%29+LIKE+%27%25JAPAN%25%27&outFields=%2A&returnGeometry=true&outSR=26985","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"floorSqft":45384,"siteSqft":329174,"assessment2026":59446110,"acquiredYear":null,"propertyFamily":"residence","propertyType":"Ambassador’s Residence","facts":[{"label":"Constructed","value":1977,"display":"1977","sourceIds":["JP-P11","JP-P12"],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Bazelon%20McGovern%20House%20Nomination.pdf"],"note":"DC’s Ward 3 Heritage Guide gives 1974–77. Contemporary reporting describes work beginning in 1973 and occupancy in August 1977; completion is shown as 1977.","basis":"","status":"verified","checkedOn":"2026-10-21"},{"label":"Acquired by Japan","value":null,"display":"By 1974 (site)","sourceIds":[],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"The Ward 3 Heritage Guide dates the purpose-built residence to 1974–1977. The site was in diplomatic use by construction; the land transfer date has not been located. Latest possible acquisition year; the exact year remains unresolved.","basis":"","status":"estimated","checkedOn":"2026-10-21","verifiedOn":"2026-10-21"},{"label":"Neighborhood","value":"American University Park","display":"American University Park","sourceIds":["JP-P11"],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"","basis":"","status":"verified","checkedOn":"2026-10-21"},{"label":"Architect","value":"Isoya Yoshida","display":"Isoya Yoshida","sourceIds":["JP-P12"],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Bazelon%20McGovern%20House%20Nomination.pdf"],"note":"","basis":"","status":"verified","checkedOn":"2026-10-21"},{"label":"Rooms","value":null,"display":"45–80 est.","sourceIds":["JP-P05"],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Bazelon%20McGovern%20House%20Nomination.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=UPPER%28OWNERNAME%29+LIKE+%27%25JAPAN%25%27&outFields=%2A&returnGeometry=true&outSR=26985"],"note":"Estimated room total; a complete room inventory is unavailable.","basis":"Editorial program estimate for the 45,384 sq ft purpose-built residence: 10–18 reception/ceremonial rooms, 15–27 family/guest rooms and 20–35 kitchen, service and staff rooms. Excludes circulation, bathrooms and detached garden structures. Large ceremonial spaces prevent applying the office-building room density; allocations are assumptions.","status":"estimated","checkedOn":"2026-10-21","estimateRange":[45,80],"confidence":"low"},{"label":"Floor area","value":45384,"display":"45,400 sq ft","sourceIds":["JP-P05"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Residential CAMA GBA; record scope caveat","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Estate area","value":329174,"display":"329,174 sq ft","sourceIds":["JP-P02"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=UPPER%28OWNERNAME%29+LIKE+%27%25JAPAN%25%27&outFields=%2A&returnGeometry=true&outSR=26985"],"note":"","basis":"ITSPE LANDAREA, square feet, SSL 1640 0809.","status":"verified","checkedOn":"2026-10-21"},{"label":"2026 Value","value":59446110,"display":"$59.4M","sourceIds":["JP-P02"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1640/0809. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":329174,"display":"329,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 1640/0809. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"constructedYear":1977,"constructedDisplay":"1977","occupiedYear":1977,"occupiedDisplay":"1977","acquiredDisplay":"By 1974 (site)","floorBasis":"Residential CAMA GBA; record scope caveat","metricNote":"Separate Nebraska Avenue parcel. Recorded gross area; legacy CAMA descriptions are qualified in Sources.","timelineEventDates":["1977","2019-04","2022-07-08"],"roomEstimate":{"display":"45–80 est.","range":[45,80],"status":"estimated","confidence":"low","method":"Editorial program estimate for the 45,384 sq ft purpose-built residence: 10–18 reception/ceremonial rooms, 15–27 family/guest rooms and 20–35 kitchen, service and staff rooms. Excludes circulation, bathrooms and detached garden structures. Large ceremonial spaces prevent applying the office-building room density; allocations are assumptions.","basisSourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Bazelon%20McGovern%20House%20Nomination.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=UPPER%28OWNERNAME%29+LIKE+%27%25JAPAN%25%27&outFields=%2A&returnGeometry=true&outSR=26985"],"preparedOn":"2026-10-21"},"neighborhood":"American University Park","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","overviewTitle":"Residence grounds","compoundDescription":"The main house, tea pavilion and pond sit within the Nebraska Avenue estate, with pools and a tennis court farther into the grounds. Select a building or feature to take a closer look.","cameraLocations":[{"id":"residence-main","label":"Main house","description":"The white main house and its lower garden wings."},{"id":"residence-tea","label":"Tea pavilion & pond","description":"The timber tea pavilion, connecting passage and garden pond."},{"id":"residence-pool","label":"Pools & poolhouse","description":"The pools, paved terrace and poolhouse behind the residence."},{"id":"residence-tennis","label":"Tennis court","description":"The tennis court within the residence grounds."}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1640/0809. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1640/0809. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Residential CAMA GBA; record scope caveat","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271640++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["1640    0809"],"assessmentJurisdiction":"District of Columbia","overviewLabel":"Whole estate","propertyId":"residence","country":"Japan","slug":"japan","file":"Japan.html","propertyCategory":"residence"},{"id":"india-chancery","title":"Embassy of the Republic of India","address":"2107 Massachusetts Avenue NW, Washington, DC 20008","addressAliases":["2107 Q ST NW","2111 Q ST NW","2111 Massachusetts Avenue NW"],"summary":"The 1901 Depew House and its cream-colored neighbor form a connected chancery. India acquired Depew House in 1946; their rear wings open onto Hillyer Court.","constructedYear":1885,"constructedDisplay":"1885","constructedBasis":"Official mission history. The 1907 addition is a distinct phase. Conflicting CAMA years 1900 and 0 are not adopted.","acquiredYear":1946,"acquiredDisplay":"1946","acquisitionBasis":"Official history explicitly identifies the 1946 acquisition of Depew House and connection to the other building. This is not a separate purchase-date claim for each cadastral parcel.","occupiedYear":1946,"occupiedDisplay":"1946","occupiedBasis":"Official history links the 1946 purchase and connection with creation of the chancery; year-level association.","neighborhood":"Dupont Circle","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","architectDisplay":"Chase & Ames (1901 house)","architectSourceIds":["IN-PROP-11"],"rooms":null,"roomEstimate":{"display":"50–100 est.","range":[50,100],"status":"estimated","confidence":"low","preparedOn":"2026-10-21","definition":"Enclosed offices, meeting and reception rooms, kitchens and other occupiable service rooms in both connected chancery houses; excludes corridors, stairs, toilets, closets and the number of modeled room studies.","method":"A deliberately broad editorial range based on the evidenced 37,984 sq ft (3,528.83 m²) combined CAMA area, two historic mansions with several visible levels, large formal rooms and office conversion. Allow 45–65% of gross area as room floor area and approximately 23–33 m² per average occupiable room after larger formal spaces and smaller office/service rooms balance. The calculation yields 48–100 rooms, rounded to a published estimate of 50–100. Replace it with an official inventory if obtained.","basisSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://www.indianembassyusa.gov.in/pages/MjM%2C"],"assumptions":["No current floor plan or complete room inventory was available.","Gross area can include space that is not counted as rooms.","Visible bays and levels inform layout understanding only; they were not multiplied into a purported count."]},"floorSqft":37984,"floorBasis":"Sum of two commercial CAMA LIVING_GBA fields. The total uses the assessor’s LIVING_GBA field; usable office area is unknown.","floorComponents":[{"ssl":"0066    0835","field":"LIVING_GBA","squareFeet":18268},{"ssl":"0066    0834","field":"LIVING_GBA","squareFeet":19716}],"siteSqft":13495,"siteBasis":"LANDAREA sum of two active parcels, without overlap or duplicate rows.","assessment2026":17962210,"assessmentBasis":"Active CY1YEAR 2026 ASSESSMENT sum; not NEWTOTAL, tax owed or market value.","lat":38.91145855575626,"lon":-77.04710553644469,"coordinateBasis":"Center of the two parcels’ bounding box.","sourceIds":["IN-PROP-01","IN-PROP-02","IN-PROP-03","IN-PROP-05","IN-PROP-11"],"scopeNotes":["Excludes the 2536 Massachusetts Avenue consular wing and all other Indian properties.","The red-brick east neighbor is in Phillips Collection parcel 0066/0080. Roofline 9943 merges it with the chancery and must not be treated as one embassy footprint.","Original purchase price is unverified and remains null."],"sceneId":"campus","modeled":true,"sourceUrls":["https://www.indianembassyusa.gov.in/pages/MjM%2C","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%2C%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=OWNERNAME+LIKE+%27%25INDIA%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://sah-archipedia.org/buildings/DC-01-DU33","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://indianembassyusa.gov.in/pages/MjM"],"notes":["Official mission history. The 1907 addition is a distinct phase. Conflicting CAMA years 1900 and 0 are not adopted.","Official history explicitly identifies the 1946 acquisition of Depew House and connection to the other building. Purchase dates for the individual cadastral parcels remain unresolved.","Sum of two commercial CAMA LIVING_GBA fields. The total uses the assessor’s LIVING_GBA field; usable office area is unknown.","LANDAREA sum of two active parcels, without overlap or duplicate rows.","Active CY1YEAR 2026 ASSESSMENT sum; not NEWTOTAL, tax owed or market value.","Center of the two parcels’ bounding box.","Excludes the 2536 Massachusetts Avenue consular wing and all other Indian properties.","The red-brick east neighbor is in Phillips Collection parcel 0066/0080. Roofline 9943 merges it with the chancery and must not be treated as one embassy footprint.","Original purchase price is unverified and remains null.","Parcel components: 0066    0835: 6,290 sq ft, 2026 assessment $8,878,630 (land $2,577,330, improvements $6,301,300).; 0066    0834: 7,205 sq ft, 2026 assessment $9,083,580 (land $2,952,250, improvements $6,131,330).","Architect attribution applies to the 1901 Depew House only. The architect of the older house and its 1907 enlargement has not been verified.","Enclosed offices, meeting and reception rooms, kitchens and other occupiable service rooms in both connected chancery houses; excludes corridors, stairs, toilets, closets and the number of modeled room studies.","A deliberately broad editorial range based on the evidenced 37,984 sq ft (3,528.83 m²) combined CAMA area, two historic mansions with several visible levels, large formal rooms and office conversion. Allow 45–65% of gross area as room floor area and approximately 23–33 m² per average occupiable room after larger formal spaces and smaller office/service rooms balance. The calculation yields 48–100 rooms, rounded to a published estimate of 50–100. Replace it with an official inventory if obtained.","The exterior is calibrated against the 2023 DC roofline and parcel overlay. Frontage is approximately 13 m for the west house and 16.6 m for Depew House. Vertical dimensions, window recesses and carved ornament are photographic estimates. The rear stair and service volumes are bounded interpretations of supplied aerial and Hillyer Court views. The 2023 roofline combines the embassy with an adjoining Phillips Collection building; the neighbor is excluded from all India totals."],"facts":[{"label":"Constructed","value":1885,"display":"1885","status":"verified","basis":"The official embassy history dates one of the two connected chancery houses to 1885, with added floors in 1907, and the adjoining Depew House to 1901. This database row covers both standing connected houses, so 1885 is the earliest original completion year in its defined scope. The connected houses also include construction phases dated 1901 and 1907.","note":"","sourceUrls":["https://indianembassyusa.gov.in/pages/MjM"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Acquired by India","value":1946,"display":"1946","status":"verified","basis":"Official history explicitly identifies the 1946 acquisition of Depew House and connection to the other building. Purchase dates for the individual cadastral parcels remain unresolved.","note":"","sourceUrls":["https://www.indianembassyusa.gov.in/pages/MjM%2C"]},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","basis":"Geographic neighborhood. The OTR tax neighborhood is Old City 2.","note":"","sourceUrls":[]},{"label":"Architect","value":"Chase & Ames (1901 house)","display":"Chase & Ames (1901 house)","status":"verified","basis":"Attribution scoped by construction phase.","note":"","sourceUrls":["https://sah-archipedia.org/buildings/DC-01-DU33"]},{"label":"Rooms","value":null,"display":"50–100 est.","status":"estimated","basis":"A deliberately broad editorial range based on the evidenced 37,984 sq ft (3,528.83 m²) combined CAMA area, two historic mansions with several visible levels, large formal rooms and office conversion. Allow 45–65% of gross area as room floor area and approximately 23–33 m² per average occupiable room after larger formal spaces and smaller office/service rooms balance. The calculation yields 48–100 rooms, rounded to a published estimate of 50–100. Replace it with an official inventory if obtained.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"estimateRange":[50,100],"confidence":"low"},{"label":"Floor area","value":37984,"display":"38,000 sq ft","status":"verified","basis":"Sum of two commercial CAMA LIVING_GBA fields. The total uses the assessor’s LIVING_GBA field; usable office area is unknown.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":13495,"display":"13,500 sq ft","status":"verified","basis":"Sum of nonoverlapping estate parcels: 0066/0835, 0066/0834. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":17962210,"display":"$18.0M","status":"verified","basis":"Sum of nonoverlapping estate parcels: 0066/0835, 0066/0834. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 0066/0835, 0066/0834. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 0066/0835, 0066/0834. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Sum of two commercial CAMA LIVING_GBA fields. The total uses the assessor’s LIVING_GBA field; usable office area is unknown.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["0066    0835","0066    0834"],"assessmentJurisdiction":"District of Columbia","overviewLabel":"Whole chancery","overviewTitle":"Chancery grounds","compoundDescription":"Depew House and the adjoining house form a connected chancery, with their rear wings opening onto Hillyer Court.","cameraLocations":[{"id":"depew-house","label":"Depew House","description":"The limestone house contains the principal entrance on Q Street.","focus":{"target":[6.3,8,2],"position":[31,25,45],"span":26}},{"id":"west-house","label":"Adjoining house","description":"The cream-colored western house and its canted bay adjoin Depew House.","focus":{"target":[-8.5,8,3],"position":[-35,26,46],"span":26}},{"id":"rear-court","label":"Rear court","description":"The brick rear wings face the passage and Hillyer Court.","focus":{"target":[-1,6,-12],"position":[-25,29,-57],"span":35}}],"propertyId":"chancery","country":"India","slug":"india","file":"India.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"india-residence","title":"Indian Ambassador’s Residence","name":"India House","address":"2700 Macomb Street NW, Washington, DC 20008","constructedYear":1914,"constructedDisplay":"1914","constructedBasis":"Historic district nomination and preservation history prevail over conflicting CAMA AYB 1960 and EYB 2008.","acquiredYear":1945,"acquiredDisplay":"1945","acquisitionBasis":"Ward 3 Heritage Guide and DC Writers Homes. The principal residence acquisition/use year is not asserted for every later parcel component.","occupiedYear":1945,"occupiedDisplay":"1945","neighborhood":"Cleveland Park","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","architectDisplay":"Frederick B. Pyle; Ward Brown (1930)","rooms":24,"roomsDisplay":"24","roomsBasis":"The principal house’s CAMA record lists rooms separately from its nine bedrooms.","floorSqft":16643,"floorBasis":"Residential CAMA GBA field for the principal house; one building record. Do not substitute the commercial listing figure of 23,826 sq ft total building area without reconciling its basis.","siteSqft":252183,"siteLabel":"Estate area","siteBasis":"Three contiguous Government or Republic of India parcels: 2216/0804, 2218/0819 and 2218/0820. Principal parcel 240,377 sq ft plus western access/edge parcels of 9,205 and 2,601 sq ft.","assessment2026":17835050,"assessmentBasis":"Three-parcel active 2026 ASSESSMENT sum consistent with estate area: principal house parcel $17,287,180 plus $387,990 and $159,880.","lat":38.93421891286657,"lon":-77.05447498875259,"coordinateBasis":"Center of the house’s 2023 roof outline, object 102791.","sourceIds":["IN-PROP-02","IN-PROP-04","IN-PROP-05","IN-PROP-06","IN-PROP-09","IN-PROP-10"],"scopeNotes":["The house and immediate landscape model does not claim a complete survey of the 5.79-acre estate.","16,643 sq ft and 24 rooms describe the principal house. Land area and assessment describe the agreed three-parcel estate.","The CAMA 1900-01-01 placeholder SALEDATE and null PRICE are not acquisition evidence.","The principal parcel has a current improvement assessment of $9,090,320. The two edge parcels are unimproved in the 2026 assessment."],"sceneId":"residence","modeled":true,"summary":"India House occupies a wooded Cleveland Park estate. Built in 1914 and enlarged in 1930, the former Kaufman and Schoellkopf home became India’s official residence in 1945.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%2C%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+%3D+%272216++++0804%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=OWNERNAME+LIKE+%27%25INDIA%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=1%3D1&geometry=-77.0551%2C38.9337%2C-77.0537%2C38.9347&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=%2A&returnGeometry=true&outSR=26985&f=pjson","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Cleveland%20Park%20HD%20nom.pdf","https://www.historicchevychasedc.org/wp-content/uploads/2020/04/Ward-3-Heritage-Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"notes":["Historic district nomination and preservation history prevail over conflicting CAMA AYB 1960 and EYB 2008.","Ward 3 Heritage Guide and DC Writers Homes. The principal residence acquisition/use year is not asserted for every later parcel component.","Residential CAMA GBA field for the principal house; one building record. Do not substitute the commercial listing figure of 23,826 sq ft total building area without reconciling its basis.","Three contiguous Government or Republic of India parcels: 2216/0804, 2218/0819 and 2218/0820. Principal parcel 240,377 sq ft plus western access/edge parcels of 9,205 and 2,601 sq ft.","Three-parcel active 2026 ASSESSMENT sum consistent with estate area: principal house parcel $17,287,180 plus $387,990 and $159,880.","Center of the house’s 2023 roof outline, object 102791.","The house and immediate landscape model does not claim a complete survey of the 5.79-acre estate.","16,643 sq ft and 24 rooms describe the principal house. Land area and assessment describe the agreed three-parcel estate.","The CAMA 1900-01-01 placeholder SALEDATE and null PRICE are not acquisition evidence.","The principal parcel has a current improvement assessment of $9,090,320. The two edge parcels are unimproved in the 2026 assessment.","Parcel components: 2216    0804: 240,377 sq ft, 2026 assessment $17,287,180 (land $8,196,860, improvements $9,090,320).; 2218    0819: 9,205 sq ft, 2026 assessment $387,990 (land $387,990, improvements $0).; 2218    0820: 2,601 sq ft, 2026 assessment $159,880 (land $159,880, improvements $0).","The 2023 DC roofline gives a main block of approximately 19.03 × 15.22 m and an east wing of 17.80 × 14.55 m. The east wing is set back approximately 6.1 m. The model uses metres with a facade-aligned frame and a 25.2° north offset. Roofline is not necessarily wall line. Heights and unseen details are interpreted from photographs and checked against lidar attributes; landscaping is approximate."],"facts":[{"label":"Constructed","value":1914,"display":"1914","status":"verified","basis":"Historic district nomination and preservation history prevail over conflicting CAMA AYB 1960 and EYB 2008.","note":"","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Cleveland%20Park%20HD%20nom.pdf"]},{"label":"Acquired by India","value":1945,"display":"1945","status":"verified","basis":"Ward 3 Heritage Guide and DC Writers Homes. The principal residence acquisition/use year is not asserted for every later parcel component.","note":"","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Cleveland%20Park%20HD%20nom.pdf","https://www.historicchevychasedc.org/wp-content/uploads/2020/04/Ward-3-Heritage-Guide.pdf"]},{"label":"Neighborhood","value":"Cleveland Park","display":"Cleveland Park","status":"verified","basis":"Historic district and geographic name. The OTR assessment neighborhood, Forest Hills, is a separate classification.","note":"","sourceUrls":[]},{"label":"Architect","value":"Frederick B. Pyle; Ward Brown (1930)","display":"Frederick B. Pyle; Ward Brown (1930)","status":"verified","basis":"Attribution scoped by construction phase.","note":"","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Cleveland%20Park%20HD%20nom.pdf"]},{"label":"Rooms","value":24,"display":"24","status":"verified","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","value":16643,"display":"16,600 sq ft","status":"verified","basis":"Residential CAMA GBA field for the principal house; one building record. Do not substitute the commercial listing figure of 23,826 sq ft total building area without reconciling its basis.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Estate area","value":252183,"display":"252,183 sq ft","status":"verified","basis":"Three contiguous Government or Republic of India parcels: 2216/0804, 2218/0819 and 2218/0820. Principal parcel 240,377 sq ft plus western access/edge parcels of 9,205 and 2,601 sq ft.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270066++++0835%27%2C%270066++++0834%27%2C%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=OWNERNAME+LIKE+%27%25INDIA%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"]},{"label":"2026 Value","value":17835050,"display":"$17.8M","status":"verified","basis":"Sum of nonoverlapping estate parcels: 2216/0804, 2218/0819, 2218/0820. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":252183,"display":"252,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Sum of nonoverlapping estate parcels: 2216/0804, 2218/0819, 2218/0820. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2216/0804, 2218/0819, 2218/0820. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2216/0804, 2218/0819, 2218/0820. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Residential CAMA GBA field for the principal house; one building record. Do not substitute the commercial listing figure of 23,826 sq ft total building area without reconciling its basis.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272216++++0804%27%2C%272218++++0819%27%2C%272218++++0820%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2216    0804","2218    0819","2218    0820"],"assessmentJurisdiction":"District of Columbia","propertyId":"residence","country":"India","slug":"india","file":"India.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"united-kingdom-chancery","sceneId":"chancery","title":"Embassy of the United Kingdom of Great Britain and Northern Ireland","address":"3100 Massachusetts Avenue NW, Washington, DC","taxAddress":"3114 Massachusetts Avenue NW","modeled":true,"facts":[{"label":"Constructed","value":1960,"display":"1960","status":"verified","basis":"","note":"Design approved in 1955 and foundation stone laid in 1957. Bertram dates construction to 1958–1960 and the opening to 23 September 1960.","sourceIds":["UK-PROP-007"],"sourceUrls":["https://roomfordiplomacy.com/washington-since-1951/"],"verifiedOn":"2026-10-21"},{"label":"Acquired by the United Kingdom","value":1941,"display":"1941–1953 (site)","status":"verified","basis":"Historic component plots acquired in 1941, 1951 and 1953; present lot 0064 is a later parcel consolidation.","note":"","sourceIds":["UK-PROP-006","UK-PROP-010"],"sourceUrls":["https://roomfordiplomacy.com/washington-before-1951/","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/"],"verifiedOn":"2026-10-21"},{"label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"","note":"","sourceIds":["UK-PROP-002"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"verifiedOn":"2026-10-21"},{"label":"Architect","value":"Eric Bedford, Ministry of Works","display":"Eric Bedford","status":"verified","basis":"","note":"","sourceIds":["UK-PROP-007"],"sourceUrls":["https://roomfordiplomacy.com/washington-since-1951/"],"verifiedOn":"2026-10-21"},{"label":"Rooms","value":null,"display":"150–260 est.","status":"estimated","basis":"Editorial range for the 138,980 sq ft office building: allow 55–65% enclosed usable room area and 350–500 sq ft per office/meeting/service room, rounded outward. The historical 550-person brief and subsequent open-office alterations make the range low confidence; workstations are not rooms.","note":"Estimated room total; a complete room inventory is unavailable.","sourceIds":["UK-PROP-004"],"sourceUrls":["https://roomfordiplomacy.com/washington-since-1951/","https://roomfordiplomacy.com/washington-before-1951/","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"verifiedOn":"2026-10-21","estimateRange":[150,260],"confidence":"low"},{"label":"Floor area","value":138980,"display":"139,000 sq ft","status":"verified","basis":"LIVING_GBA, lot 2147/0064, building 1. Gross inventory area includes the registered chancery building complex; it is distinct from the smaller 2018 refurbishment scope.","note":"","sourceIds":["UK-PROP-004"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Site area","value":77930,"display":"77,900 sq ft","status":"verified","basis":"Parcel total: 2147/0064. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","sourceIds":["UK-PROP-002"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"2026 Value","value":55145430,"display":"$55.1M","status":"verified","basis":"Parcel total: 2147/0064. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","sourceIds":["UK-PROP-002"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","checkedOn":"2026-10-24"}],"floorSqft":138980,"siteSqft":77930,"assessment2026":55145430,"constructedYear":1960,"constructedDisplay":"1960","acquiredYear":1941,"acquiredDisplay":"1941–1953 (site)","occupiedYear":1960,"occupiedDisplay":"1960","lat":38.920317,"lon":-77.06297,"coordinateBasis":"Approximate centre of the modern chancery roof outline in DC GIS. The official mailing address is 3100 Massachusetts Avenue NW; the tax parcel is addressed 3114.","parcelScope":["2147    0064"],"floorBasis":"LIVING_GBA, lot 2147/0064, building 1. Gross inventory area includes the registered chancery building complex; it is distinct from the smaller 2018 refurbishment scope.","sourceUrls":["https://roomfordiplomacy.com/washington-since-1951/","https://roomfordiplomacy.com/washington-before-1951/","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"notes":["Design approved in 1955 and foundation stone laid in 1957. Bertram dates construction to 1958–1960 and the opening to 23 September 1960.","Active delete code N; CY1YEAR and CY2YEAR are 2026; ASSESSMENT is the current total.","Approximate centre of the modern chancery roof outline in DC GIS. The official mailing address is 3100 Massachusetts Avenue NW; the tax parcel is addressed 3114.","Estimated room total; a complete room inventory is unavailable."],"summary":"Eric Bedford’s office block wraps around an open court, with a circular conference pavilion beside the street.","historyIds":["uk-history-1957","uk-history-1960","uk-history-2026"],"metricNote":"LIVING_GBA, lot 2147/0064, building 1. Gross inventory area includes the registered chancery building complex; it is distinct from the smaller 2018 refurbishment scope. Lot 2147/0064 only.","roomEstimate":{"display":"150–260 est.","range":[150,260],"status":"estimated","confidence":"low","method":"Editorial range for the 138,980 sq ft office building: allow 55–65% enclosed usable room area and 350–500 sq ft per office/meeting/service room, rounded outward. The historical 550-person brief and subsequent open-office alterations make the range low confidence; workstations are not rooms.","basisSourceUrls":["https://roomfordiplomacy.com/washington-since-1951/","https://roomfordiplomacy.com/washington-before-1951/","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"preparedOn":"2026-10-21"},"neighborhood":"Observatory Circle","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2147/0064. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2147/0064. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"LIVING_GBA, lot 2147/0064, building 1. Gross inventory area includes the registered chancery building complex; it is distinct from the smaller 2018 refurbishment scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0064%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2147    0064"],"assessmentJurisdiction":"District of Columbia","propertyId":"chancery","country":"United Kingdom","slug":"united-kingdom","file":"United-Kingdom.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"united-kingdom-residence","sceneId":"residence","title":"British Ambassador’s Residence","address":"3100 Massachusetts Avenue NW, Washington, DC","taxAddress":"3100 Massachusetts Avenue NW","modeled":true,"facts":[{"label":"Constructed","value":1930,"display":"1930","status":"verified","basis":"","note":"Work had begun by 20 February 1928; historical sources place residence completion in 1930, and Blakely’s archival chronology explicitly places initial occupation after Lutyens’s May 1930 visit. No exact move-in day is asserted. The FCDO 2023 statement gives construction as 1928, without separating completion and occupancy.","sourceIds":["UK-PROP-009","UK-PROP-010","UK-PROP-013"],"sourceUrls":["https://hansard.parliament.uk/Commons/1928-02-20/debates/66f6c367-da8c-424f-91ad-2c95cf83f4ea/CommonsChamber","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://washingtonembassygardens.wordpress.com/2013/11/01/lutyens-in-washington/"],"verifiedOn":"2026-10-21"},{"label":"Acquired by the United Kingdom","value":1925,"display":"1925 (site)","status":"verified","basis":"May 1925 exchange agreement for original lot 40. Adjacent garden lots 38/39 were acquired in November 1930.","note":"","sourceIds":["UK-PROP-006"],"sourceUrls":["https://roomfordiplomacy.com/washington-before-1951/"],"verifiedOn":"2026-10-21"},{"label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"","note":"","sourceIds":["UK-PROP-002"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"verifiedOn":"2026-10-21"},{"label":"Architect","value":"Sir Edwin Lutyens with Frederick H. Brooke","display":"Sir Edwin Lutyens","status":"verified","basis":"","note":"Frederick H. Brooke was local supervising architect.","sourceIds":["UK-PROP-006","UK-PROP-008"],"sourceUrls":["https://roomfordiplomacy.com/washington-before-1951/","https://www.gov.uk/government/publications/fcdo-major-projects-accounting-officer-assessments/british-embassy-and-residence-washington-compound-repairs-accounting-officer-assessment-february-2023"],"verifiedOn":"2026-10-21"},{"label":"Rooms","value":null,"display":"40–70 est.","status":"estimated","basis":"Editorial program estimate for the multi-storey Lutyens residence: 8–12 reception/library/dining rooms, 15–25 family/guest rooms, and 17–33 kitchen, service and staff rooms. Excludes the Old Chancery and courtyard wings, circulation and bathrooms. Room allocations are assumed; a measured inventory is unavailable.","note":"Estimated room total; a complete room inventory is unavailable.","sourceIds":["UK-PROP-004"],"sourceUrls":["https://hansard.parliament.uk/Commons/1928-02-20/debates/66f6c367-da8c-424f-91ad-2c95cf83f4ea/CommonsChamber","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://roomfordiplomacy.com/washington-before-1951/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"verifiedOn":"2026-10-21","estimateRange":[40,70],"confidence":"low"},{"label":"Floor area","value":117113,"display":"117,100 sq ft","status":"verified","basis":"Residence-estate building area, including the Old Chancery: 76,894 + 40,219 sq ft from distinct CAMA buildings 1 and 2 on SSL 2147/0040. The row's land and valuation already cover this same residence/Old Chancery estate (lots 0040,0038,0039). Do not describe 117,113 sq ft as the Lutyens residence building alone.","note":"","sourceIds":["UK-PROP-004","UK-PROP-011"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272147++++0040%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Estate area","value":220191,"display":"220,191 sq ft","status":"verified","basis":"Historic residence and Old Chancery estate: lots 0040, 0038 and 0039, including gardens. The area covers the residence estate and its grounds.","note":"","sourceIds":["UK-PROP-002","UK-PROP-006"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326","https://roomfordiplomacy.com/washington-before-1951/"],"verifiedOn":"2026-10-21"},{"label":"2026 Value","value":59665710,"display":"$59.7M","status":"verified","basis":"Sum of nonoverlapping estate parcels: 2147/0040, 2147/0038, 2147/0039. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","sourceIds":["UK-PROP-002"],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0040%27%2C%272147++++0038%27%2C%272147++++0039%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":220191,"display":"220,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0040%27%2C%272147++++0038%27%2C%272147++++0039%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Sum of nonoverlapping estate parcels: 2147/0040, 2147/0038, 2147/0039. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"floorSqft":117113,"siteSqft":220191,"assessment2026":59665710,"constructedYear":1930,"constructedDisplay":"1930","acquiredYear":1925,"acquiredDisplay":"1925 (site)","occupiedYear":1930,"occupiedDisplay":"1930","lat":38.91962,"lon":-77.06265,"coordinateBasis":"Approximate point on the principal residence, interpreted from DC GIS roof outlines and the supplied aerial views. The point locates the building within the larger historic estate.","parcelScope":["2147    0040","2147    0038","2147    0039"],"floorBasis":"Residence-estate building area, including the Old Chancery: 76,894 + 40,219 sq ft from distinct CAMA buildings 1 and 2 on SSL 2147/0040. The row's land and valuation already cover this same residence/Old Chancery estate (lots 0040,0038,0039). Do not describe 117,113 sq ft as the Lutyens residence building alone.","sourceUrls":["https://hansard.parliament.uk/Commons/1928-02-20/debates/66f6c367-da8c-424f-91ad-2c95cf83f4ea/CommonsChamber","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://roomfordiplomacy.com/washington-before-1951/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326","https://www.gov.uk/government/publications/fcdo-major-projects-accounting-officer-assessments/british-embassy-and-residence-washington-compound-repairs-accounting-officer-assessment-february-2023","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326","https://d3tenders.com/contract/?ocid=ocds-b5fd17-b4ea6c2e-b2a9-412f-9a88-930bfc92a4dc","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0040%27%2C%272147++++0038%27%2C%272147++++0039%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272147++++0040%27&outFields=*&returnGeometry=false&f=pjson"],"notes":["Work had begun by 20 February 1928; historical sources place residence completion in 1930, and Blakely’s archival chronology explicitly places initial occupation after Lutyens’s May 1930 visit. No exact move-in day is asserted. The FCDO 2023 statement gives construction as 1928, without separating completion and occupancy.","Frederick H. Brooke was local supervising architect.","Residence-estate building area, including the Old Chancery: 76,894 + 40,219 sq ft from distinct CAMA buildings 1 and 2 on SSL 2147/0040. The row's land and valuation already cover this same residence/Old Chancery estate (lots 0040,0038,0039). Do not describe 117,113 sq ft as the Lutyens residence building alone. The valuation and land area cover the residence estate, including the Old Chancery.","Aggregate land $24,014,400 plus improvements $35,651,310. Do not describe as residence-only building valuation.","The residence estate is the non-overlapping group of lots 2147 0040, 0038 and 0039. The assessment covers all buildings and land on these lots, including the Old Chancery.","Estimated room total; a complete room inventory is unavailable."],"summary":"Lutyens’ red-brick residence faces formal gardens behind its columned portico.","historyIds":["uk-history-1925","uk-history-1930","uk-history-1976","uk-history-1985","uk-history-2026"],"metricNote":"Lot 0040 has CAMA building records of 76,894 and 40,219 sq ft, without an unambiguous residence/Old Chancery mapping. A 2018 tender describes 6,000 m² of residence refurbishment work, not a current measured gross building area. Historic residence and Old Chancery estate: lots 0040, 0038 and 0039, including gardens. This is not the residence building footprint.","roomEstimate":{"display":"40–70 est.","range":[40,70],"status":"estimated","confidence":"low","method":"Editorial program estimate for the multi-storey Lutyens residence: 8–12 reception/library/dining rooms, 15–25 family/guest rooms, and 17–33 kitchen, service and staff rooms. Excludes the Old Chancery and courtyard wings, circulation and bathrooms. Room allocations are assumed; a measured inventory is unavailable.","basisSourceUrls":["https://hansard.parliament.uk/Commons/1928-02-20/debates/66f6c367-da8c-424f-91ad-2c95cf83f4ea/CommonsChamber","https://gloverparkhistory.com/estates-and-farms/normanstone/normanstone/","https://roomfordiplomacy.com/washington-before-1951/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL+IN+%28%272147++++0051%27%2C%272147++++0038%27%2C%272147++++0039%27%2C%272147++++0064%27%2C%272147++++0040%27%29&outFields=%2A&returnGeometry=false&outSR=4326"],"preparedOn":"2026-10-21"},"neighborhood":"Observatory Circle","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2147/0040, 2147/0038, 2147/0039. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0040%27%2C%272147++++0038%27%2C%272147++++0039%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Sum of nonoverlapping estate parcels: 2147/0040, 2147/0038, 2147/0039. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0040%27%2C%272147++++0038%27%2C%272147++++0039%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Residence-estate building area, including the Old Chancery: 76,894 + 40,219 sq ft from distinct CAMA buildings 1 and 2 on SSL 2147/0040. The row's land and valuation already cover this same residence/Old Chancery estate (lots 0040,0038,0039). Do not describe 117,113 sq ft as the Lutyens residence building alone.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272147++++0040%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2147    0040","2147    0038","2147    0039"],"assessmentJurisdiction":"District of Columbia","metricScopes":{"floorSqft":"Residence estate"},"propertyId":"residence","country":"United Kingdom","slug":"united-kingdom","file":"United-Kingdom.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"italy-chancery","sceneId":"chancery","title":"Embassy of the Italian Republic","address":"3000 Whitehaven Street NW, Washington, DC","summary":"A limestone palazzo with copper roofs, a glazed diagonal passage and a ceremonial door facing Massachusetts Avenue.","modeled":true,"facts":[{"label":"Constructed","value":2000,"display":"2000","note":"Official mission and architect say completed/inaugurated 2000; CFA says built 2001; CAMA AYB 2002 is administrative average-year field. Prefer mission 2000 with conflict in notes.","status":"verified","sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/"],"basis":""},{"label":"Acquired by Italy","value":null,"display":"1971–1972","note":"Greater Greater Washington history says 1971 press reported purchase of a $1 million 5 acre parcel; Wikipedia states 1972 purchase from Andrew W. Mellon Foundation. Current DC sale/deed fields empty. Official 2014 book confirms land already Italian in 1986, but not exact acquisition date. Do not substitute inauguration 2000 for land acquisition.","status":"qualified","sourceUrls":["https://ggwash.org/view/2024/then-and-now-the-former-italian-embassy","https://en.wikipedia.org/wiki/Embassy_of_Italy,_Washington,_D.C."],"basis":""},{"label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=PREMISEADD+LIKE+%27%253000+WHITEHAVEN%25%27+OR+PREMISEADD+LIKE+%27%252800+ALBEMARLE%25%27+OR+OWNERNAME+LIKE+%27%25ITALY%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"basis":""},{"label":"Architect","value":"Piero Sartogo, Nathalie Grenon and Susanna Nobili; associated engineering by Leo A. Daly","display":"Sartogo, Grenon & Nobili","note":"Piero Sartogo, Nathalie Grenon and Susanna Nobili; associated engineering by Leo A. Daly","status":"verified","sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/"],"basis":""},{"label":"Rooms","value":null,"display":"100–160 est.","note":"Broad functional-room estimate: four office floors around a central rotunda; approximately 20–30 enclosed offices and support spaces per upper floor, plus public reception, consular, cultural and lower service rooms. Corridors and open atrium excluded. No measured room inventory; low confidence.","status":"estimated","sourceUrls":["https://www.sartogoarchitetti.it/files/Profile.pdf","https://baldi.diplomacy.edu/diplo/texts/Cortese_Palazzo%20Potomac_standard_EN.pdf"],"basis":""},{"label":"Floor area","value":181645,"display":"181,600 sq ft","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Recorded DC CAMA building area; preserve the source field and building scope.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":214131,"display":"214,100 sq ft","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2155/0813. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":88248680,"display":"$88.2M","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2155/0813. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["Greater Greater Washington history says 1971 press reported purchase of a $1 million 5 acre parcel; Wikipedia states 1972 purchase from Andrew W. Mellon Foundation. Current DC sale/deed fields empty. Official 2014 book confirms land already Italian in 1986, but not exact acquisition date. Do not substitute inauguration 2000 for land acquisition."],"sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.917598,"lon":-77.0602305,"floorSqft":181645,"siteSqft":214131,"assessment2026":88248680,"constructedYear":2000,"acquiredYear":null,"occupiedYear":2000,"neighborhood":"Woodland-Normanstone","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2155/0813. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2155/0813. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272155++++0813%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2155    0813"],"assessmentJurisdiction":"District of Columbia","floorBasis":"Recorded DC CAMA building area; preserve the source field and building scope.","constructedDisplay":"2000","occupiedDisplay":"2000","propertyId":"chancery","country":"Italy","slug":"italy","file":"Italy.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"italy-residence","sceneId":"residence","title":"Italian Ambassador’s Residence","address":"Villa Firenze, 2800 Albemarle Street NW, Washington, DC","summary":"Villa Firenze, a Tudor estate above Rock Creek Park, combines limestone walls, steep slate roofs and wooded gardens.","modeled":true,"facts":[{"label":"Constructed","value":1927,"display":"1927","note":"","status":"verified","sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/la-residenza/"],"basis":""},{"label":"Acquired by Italy","value":1976,"display":"1976","note":"Official embassy residence history explicitly separates 1976 purchase from 1977 inauguration. Book overview says purchase 1977; prefer precise current official narrative. CAMA zero-price 2009 sale is not original Italian acquisition.","status":"verified","sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/la-residenza/"],"basis":""},{"label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=PREMISEADD+LIKE+%27%253000+WHITEHAVEN%25%27+OR+PREMISEADD+LIKE+%27%252800+ALBEMARLE%25%27+OR+OWNERNAME+LIKE+%27%25ITALY%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"basis":""},{"label":"Architect","value":"Russell O. Kluge; interior designer H. F. Huber","display":"Russell O. Kluge","note":"Russell O. Kluge; interior designer H. F. Huber","status":"verified","sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/la-residenza/"],"basis":""},{"label":"Rooms","value":34,"display":"34","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","value":24030,"display":"24,000 sq ft","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Recorded DC CAMA building area; preserve the source field and building scope.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":942632,"display":"942,600 sq ft","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2248/0012. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":53535520,"display":"$53.5M","note":"","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2248/0012. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["Official embassy residence history explicitly separates 1976 purchase from 1977 inauguration. Book overview says purchase 1977; prefer precise current official narrative. CAMA zero-price 2009 sale is not original Italian acquisition."],"sourceUrls":["https://ambwashingtondc.esteri.it/en/chi-siamo/la-sede/la-residenza/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.9471939,"lon":-77.0530529,"floorSqft":24030,"siteSqft":942632,"assessment2026":53535520,"constructedYear":1927,"acquiredYear":1976,"occupiedYear":1977,"neighborhood":"Forest Hills","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2248/0012. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2248/0012. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272248++++0012%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2248    0012"],"assessmentJurisdiction":"District of Columbia","floorBasis":"Recorded DC CAMA building area; preserve the source field and building scope.","rooms":34,"constructedDisplay":"1927","occupiedDisplay":"1977","propertyId":"residence","country":"Italy","slug":"italy","file":"Italy.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"canada-chancery","sceneId":"chancery","title":"Embassy of Canada","address":"501 Pennsylvania Avenue NW, Washington, DC","summary":"Arthur Erickson’s stone chancery opens toward John Marshall Place Park. Planted terraces step down into a raised courtyard, while a glazed colonnade and the circular Rotunda of the Provinces frame its public edge.","modeled":true,"facts":[{"label":"Constructed","display":"1989","value":1989,"status":"documented","sourceUrls":["https://www.cca.qc.ca/en/archives/108951/arthur-erickson-fonds/397577/architectural-projects/412029/canadian-chancery-washington-dc","https://canada-in-usa.com/embassy/"],"note":"","basis":""},{"label":"Acquired by Canada","display":"1978","value":1978,"status":"documented","sourceUrls":["https://canada-in-usa.com/embassy/"],"note":"Land acquisition from the Pennsylvania Avenue Development Corporation. Opening of the new building followed in 1989.","basis":""},{"label":"Neighborhood","display":"Penn Quarter","value":null,"status":"documented","sourceUrls":["https://www.tclf.org/embassy-canada-united-states-washington"],"note":"","basis":""},{"label":"Architect","display":"Arthur Erickson","value":null,"status":"documented","sourceUrls":["https://www.arthurerickson.com/government-buildings/canadian-embassy/9/"],"note":"","basis":""},{"label":"Rooms","display":"150–250 est.","value":null,"status":"estimated","sourceUrls":["https://www.washingtonpost.com/archive/realestate/1989/05/06/canadian-embassys-paradoxical-qualities/395b85ca-5e7a-4b28-951d-48f76c93505e/","https://www.cca.qc.ca/en/archives/108951/arthur-erickson-fonds/397577/architectural-projects/412029/canadian-chancery-washington-dc"],"note":"Low-confidence estimate of enclosed offices, meeting, public and service rooms across the six-level chancery. A mixed office layout is assumed, with approximately 100–180 office/meeting rooms and 50–70 reception, storage and support rooms. The estimate excludes open desks, circulation, and parking bays; a complete floor plan is unavailable.","basis":""},{"label":"Floor area","display":"288,500 sq ft","value":288478,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://achatscanada.canada.ca/sites/default/files/webform/tender_notice/27051/24-241937---commercial-cleaning-services-for-embassy-of-canada-to-united-states-of-america-in-washington-d.c.pdf"],"note":"Current CAMA living gross building area replaces the narrower 190,000 sq ft figure reported in 1989. The 2023 official cleaning specification separately identifies a three-level garage of approximately 100,000 sq ft; the two published scopes should not be treated as interchangeable.","basis":"DC commercial CAMA LIVING_GBA, building 1 section 1. Supersedes the narrower 190,000-sq-ft contemporary press description; the official 2023 cleaning contract separately describes approximately 100,000 sq ft of enclosed garage space.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","display":"63,200 sq ft","value":63220,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 0491/0033. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$130.3M","value":130276870,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 0491/0033. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The 1989 article reported 190,000 sq ft. The panel now uses DC CAMA living gross building area of 288,478 sq ft; these are differently scoped records. The official 2023 cleaning specification separately describes a three-level garage of approximately 100,000 sq ft.","The earlier landscape description rounded the site to one acre. The panel uses the current cadastral parcel record: 63,220 sq ft.","The model is an estimated-scale proportional study. Its adopted 50 × 78 metre envelope is inferred from the supplied views and approximate site area, not measured plans.","The Newseum/Johns Hopkins-facing west boundary is conservatively opaque: the earlier model’s outward window bands were unsupported and have been removed. The courtyard-facing glazing is a separate, documented elevation.","The outer frame, recessed rounded office wing, rotunda, fluted court colonnade, broad steps, entrance portico and pool placement follow visible fixed features. The simplified envelope, exact bay spacing and hidden service details remain proportional estimates; supplied-image capture dates are not established."],"sourceUrls":["https://canada-in-usa.com/embassy/","https://www.arthurerickson.com/government-buildings/canadian-embassy/9/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://achatscanada.canada.ca/sites/default/files/webform/tender_notice/27051/24-241937---commercial-cleaning-services-for-embassy-of-canada-to-united-states-of-america-in-washington-d.c.pdf"],"lat":38.8934,"lon":-77.0184,"floorSqft":288478,"siteSqft":63220,"assessment2026":130276870,"constructedYear":1989,"acquiredYear":1978,"occupiedYear":1989,"neighborhood":"Penn Quarter","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0491/0033. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0491/0033. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC commercial CAMA LIVING_GBA, building 1 section 1. Supersedes the narrower 190,000-sq-ft contemporary press description; the official 2023 cleaning contract separately describes approximately 100,000 sq ft of enclosed garage space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270491++++0033%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://achatscanada.canada.ca/sites/default/files/webform/tender_notice/27051/24-241937---commercial-cleaning-services-for-embassy-of-canada-to-united-states-of-america-in-washington-d.c.pdf"],"verifiedOn":"2026-10-24"}},"parcelIds":["0491    0033"],"assessmentJurisdiction":"District of Columbia","floorBasis":"DC commercial CAMA LIVING_GBA, building 1 section 1. Supersedes the narrower 190,000-sq-ft contemporary press description; the official 2023 cleaning contract separately describes approximately 100,000 sq ft of enclosed garage space.","constructedDisplay":"1989","occupiedDisplay":"1989","propertyId":"chancery","country":"Canada","slug":"canada","file":"Canada.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"canada-residence","sceneId":"residence","title":"Canadian Ambassador’s Residence","address":"2825 Rock Creek Drive NW, Washington, DC","summary":"The John W. Davidge House stands in Woodland Normanstone, beside Rock Creek Park. Canada’s official residence moved here in the 1940s, separating diplomatic entertaining and domestic life from the chancery.","modeled":true,"facts":[{"label":"Constructed","display":"1930","value":1930,"status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"","basis":"Retain DC Office of Planning architectural history: Ward 3 Heritage Guide identifies John W. Davidge House (1930), overriding the conflicting 1927 residential assessment year. Acquisition in 1947 is separate from the HABS evidence of furnishings transferred to the new residence in 1946.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Acquired by Canada","display":"1947","value":1947,"status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"Ward 3 Heritage Guide acquisition chronology; HABS records residence use in 1946. Exact deed remains unexamined.","basis":""},{"label":"Neighborhood","display":"Woodland Normanstone","value":null,"status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"","basis":""},{"label":"Architect","display":"Not Verified","value":null,"status":"unverified","sourceUrls":[],"note":"","basis":""},{"label":"Rooms","display":"15","value":15,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC residential CAMA ROOMS for building 1, distinct from bedrooms and modeled room studies. Replaces the editorial 25–40-room estimate.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","display":"11,200 sq ft","value":11231,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC residential CAMA GBA, building 1. Supersedes the 10,053-sq-ft real-estate listing figure, whose inclusions were not defined.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","display":"32,800 sq ft","value":32807,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2199/0022. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$14.3M","value":14349230,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2199/0022. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1946,"display":"1946","status":"verified","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf#page=8"],"basis":"HABS DC-267, p. 7 (PDF p. 8), records the transfer of furniture from Canada’s Massachusetts Avenue building to the ambassador’s new residence on Rock Creek Drive in 1946. This documents the new residence’s use before the commonly cited 1947 purchase date.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The DC Office of Planning identifies the Davidge House as dating to 1930 and lists Canada’s acquisition in 1947. The transfer of residence furnishings in 1946 establishes occupation by that year. The deed date remains unresolved.","DC residential CAMA records 11,231 sq ft and 15 rooms. The earlier listing figure of 10,053 sq ft and editorial room range have been superseded. Historical completion and assessor-age records remain distinguished in Sources.","These establish the recessed rear court, pitched roofs with upper decks, bowed east end, Benton Place garages and curved entrance drive. The 23 m frontage and 19 m west return are proportional estimates. Partly obscured rear openings, roof details and landscaping remain approximate."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf","https://www.google.com/maps/@38.9192657,-77.0576867,3a,75y,323.81h,90t/data=!3m6!1e1!3m4!1sgHvNhWo7RFbUN5lvlhmOVQ!2e0!7i16384!8i8192","https://www.google.com/maps/place/2825+Rock+Creek+Dr+NW/@38.9192657,-77.0576867,109m/data=!3m1!1e3","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf#page=8"],"lat":38.9194321,"lon":-77.057843,"floorSqft":11231,"siteSqft":32807,"assessment2026":14349230,"constructedYear":1930,"acquiredYear":1947,"occupiedYear":1946,"neighborhood":"Woodland-Normanstone","neighborhoodBasis":"Common geographic neighborhood at the documented address; neighborhood boundaries are descriptive, not legal parcel boundaries.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2199/0022. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2199/0022. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC residential CAMA GBA, building 1. Supersedes the 10,053-sq-ft real-estate listing figure, whose inclusions were not defined.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0022%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2199    0022"],"assessmentJurisdiction":"District of Columbia","floorBasis":"DC residential CAMA GBA, building 1. Supersedes the 10,053-sq-ft real-estate listing figure, whose inclusions were not defined.","rooms":15,"constructedDisplay":"1930","occupiedDisplay":"1946","propertyId":"residence","country":"Canada","slug":"canada","file":"Canada.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"united-arab-emirates-chancery","sceneId":"chancery","kind":"chancery","title":"Embassy of the United Arab Emirates","address":"3522 International Court NW, Washington, DC 20008","summary":"Pale Mount Airy granite, turquoise glazing and patterned mosaic domes distinguish this chancery in the International Chancery Center. A deep arched portico faces the paved forecourt; the narrower garden wing steps back beneath a planted terrace.","modeled":true,"facts":[{"label":"Constructed","display":"2001","value":2001,"status":"documented","sourceUrls":["https://imiweb.org/wp-content/uploads/2015/11/UAE-Chancery-Case-Study.pdf"],"note":"Construction period November 1999 to March 2001, International Masonry Institute case study, March/April 2003.","basis":""},{"label":"Site-use / lease date","display":"Not Verified","value":null,"status":"unverified","sourceUrls":["https://www.ncpc.gov/docs/actions/2009April/United_Arab_Emirates_Chancery_Terrace_rec_3012_Apr2009.pdf","https://www.cfa.gov/records-research/project-search/cfa-19mar09-d"],"note":"ICC Lot 19; CFA lists the U.S. Department of State as owner. Final plans were approved on 6 November 1997. The lease or acquisition date remains unresolved. The mission opened in 1974; acquisition of this site remains undated.","basis":""},{"label":"Neighborhood","display":"North Cleveland Park","value":null,"status":"documented","sourceUrls":["https://en.wikipedia.org/wiki/Embassy_of_the_United_Arab_Emirates,_Washington,_D.C."],"note":"","basis":""},{"label":"Architect","display":"Angelos Demetriou & Associates","value":null,"status":"documented","sourceUrls":["https://imiweb.org/wp-content/uploads/2015/11/UAE-Chancery-Case-Study.pdf"],"note":"","basis":""},{"label":"Rooms","display":"70–165 est.","value":null,"status":"estimated","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 63,131 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","display":"63,100 sq ft","value":63130.6,"status":"estimated","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"note":"","basis":"Estimate from the NCPC project-site area of 48,562 sq ft multiplied by the published approximate current floor-area ratio 1.3:63,130.6 sq ft. Uses the site area defined in the FAR calculation. The tax parcel has a different area of 48,262 sq ft. This is FAR-counted building floor area; open terraces and any parking excluded by the FAR rules are not added. The contractor’s 96,000 sq ft stone/project quantity is not treated as a measured floor area.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24","estimate":{"method":"published-floor-area-ratio","rawSqft":63130.6,"inputs":{"siteSqft":48562,"floorAreaRatio":1.3},"exclusions":["Parking and any space excluded from the development-control FAR definition","Open terraces"],"displaySqft":63100,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"]}},{"label":"Site area","display":"48,300 sq ft","value":48262,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271964++++0808%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1964/0808. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded. Uses the assessed parcel boundary, consistent with the valuation. The 2018 NCPC project site area of 48,562 sq ft covers a slightly different boundary and is retained as source context.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$14.5M","value":14518840,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271964++++0808%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1964/0808. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":2002,"display":"2002","status":"verified","sourceUrls":["https://sultanalqassemi.com/articles/what-a-difference-in-uae-diplomacy-three-years-later/","https://user.iiasa.ac.at/~marek/fbook/02/geos/tc.html","https://imiweb.org/wp-content/uploads/2015/11/UAE-Chancery-Case-Study.pdf"],"basis":"Sultan Sooud Al Qassemi’s first-person November 2009 account states that the embassy in Washington’s diplomatic quarter was inaugurated in 2002. The 2002 CIA World Factbook also records the new address, 3522 International Court NW. Construction completion remains March 2001, as the construction case study specifies.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The exterior drawing follows supplied photographs and the 2018 NCPC site plan; dimensions are approximate.","Main width approximately 40 m and site proportions checked against the published site-plan scale bar and stated 48,562 sq ft area. Floor heights, rear detailing and concealed rooftop services are inferred.","Construction and material quantities follow the International Masonry Institute case study. Surface-area quantities are not presented as floor area.","Construction was completed in 2001; the earliest verified documentary year of diplomatic use is 2002. Earlier design and construction dates are retained in the cited records.","The upper-level west-facing terrace is a separate 2,300-sq-ft scope in the 2009 NCPC record. Its area is not added to gross floor area.","The Massachusetts Avenue annex and Virginia residence research are separate property records; their area and acquisition figures do not describe this chancery.","NCPC identifies International Chancery Center planning Lot 19 and the final site/building approval of 6 November 1997. The diplomatic site-use agreement and its execution date were not located.","Tax parcel 1964 0808 matches the individual UAE site shown on NCPC drawings AP1.0 and AP1.1. The assessment covers the chancery parcel.","The $14,518,840 value is the 2026 DC assessment of the federally owned parcel containing the UAE chancery. The assessment covers the federal parcel containing the chancery. The diplomatic leasehold has no separate verified valuation.","The current tax record states 48,262 sq ft; the NCPC project report states 48,562 sq ft. Both scopes are disclosed; the previously supported NCPC site figure is retained pending boundary reconciliation.","Commercial CAMA reports AYB 2018 and LIVING_GBA 0. These do not replace the original construction record of November 1999–March 2001 or establish a usable gross floor area."],"sourceUrls":["https://www.mofa.gov.ae/en/missions/uae-missions-abroad/uae-embassy-in-united-states-of-america?countryId=100429f6-3c58-4674-8f88-ae439f94408a","https://imiweb.org/wp-content/uploads/2015/11/UAE-Chancery-Case-Study.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf","https://www.ncpc.gov/docs/actions/2009April/United_Arab_Emirates_Chancery_Terrace_rec_3012_Apr2009.pdf","https://www.cfa.gov/records-research/project-search/cfa-19mar09-d","https://www.rugostone.com/projects/new-chancery-for-the-united-arab-emirates/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?f=pjson&where=SSL%3D%271964++++0808%27&outFields=%2A&returnGeometry=false","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/39/query?f=pjson&geometry=%7B%22x%22%3A-77.069166%2C%22y%22%3A38.944875%2C%22spatialReference%22%3A%7B%22wkid%22%3A4326%7D%7D&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=%2A&returnGeometry=true&outSR=4326","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/39?f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?f=pjson&where=SSL%3D%271964++++0808%27&outFields=%2A&returnGeometry=false","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271964++++0808%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://sultanalqassemi.com/articles/what-a-difference-in-uae-diplomacy-three-years-later/","https://user.iiasa.ac.at/~marek/fbook/02/geos/tc.html"],"lat":38.944875,"lon":-77.069166,"neighborhood":"North Cleveland Park","floorSqft":63130.6,"siteSqft":48262,"assessment2026":14518840,"constructedYear":2001,"acquiredYear":null,"occupiedYear":2002,"constructedDisplay":"2001","occupiedDisplay":"2002","floorBasis":"Estimate from the NCPC project-site area of 48,562 sq ft multiplied by the published approximate current floor-area ratio 1.3:63,130.6 sq ft. Uses the site area defined in the FAR calculation. The tax parcel has a different area of 48,262 sq ft. This is FAR-counted building floor area; open terraces and any parking excluded by the FAR rules are not added. The contractor’s 96,000 sq ft stone/project quantity is not treated as a measured floor area.","planningParcel":"International Chancery Center Lot 19","identityStatus":"verified","catalogue":true,"ssl":"1964 0808","owner":"United States of America","assessmentJurisdiction":"District of Columbia","assessmentBasis":"TY2026 assessment of the federally owned parcel containing the UAE chancery.","taxParcelSiteSqft":48262,"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"estimated","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1964/0808. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271964++++0808%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1964/0808. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded. Uses the assessed parcel boundary, consistent with the valuation. The 2018 NCPC project site area of 48,562 sq ft covers a slightly different boundary and is retained as source context.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271964++++0808%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"estimated","basis":"Estimate from the NCPC project-site area of 48,562 sq ft multiplied by the published approximate current floor-area ratio 1.3:63,130.6 sq ft. Uses the site area defined in the FAR calculation. The tax parcel has a different area of 48,262 sq ft. This is FAR-counted building floor area; open terraces and any parking excluded by the FAR rules are not added. The contractor’s 96,000 sq ft stone/project quantity is not treated as a measured floor area.","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 63,131 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"verifiedOn":"2026-10-27"}},"parcelIds":["1964    0808"],"metricScopes":{"floorSqft":"FAR floor area"},"metricEstimates":{"floorSqft":{"method":"published-floor-area-ratio","rawSqft":63130.6,"inputs":{"siteSqft":48562,"floorAreaRatio":1.3},"exclusions":["Parking and any space excluded from the development-control FAR definition","Open terraces"],"displaySqft":63100,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"]},"rooms":{"display":"70–165 est.","range":[70,165],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 63,131 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":63130.6,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"preparedOn":"2026-10-27"}},"rooms":null,"roomsDisplay":"70–165","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 63,131 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"70–165 est.","range":[70,165],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 63,131 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":63130.6,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.ncpc.gov/files/projects/2019/7135_Embassy_of_the_United_Arab_Emirates_Revised_Guard_Booth%2C_Mail_Screening_Room%2C_and_Site_Improvements_Submission_Materials_Oct2019.pdf","https://www.ncpc.gov/files/projects/2018/7953_United_Arab_Emirates_-_New_Guard_Booth%2C_Pergola_and_Site_Improvements_Submission_Materials_Mar2018.pdf"],"preparedOn":"2026-10-27"},"propertyId":"chancery","country":"United Arab Emirates","slug":"united-arab-emirates","file":"United-Arab-Emirates.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"united-arab-emirates-annex","sceneId":"annex","kind":"annex","propertyFamily":"chancery","propertyType":"Other","shortLabel":"Annex","title":"United Arab Emirates Chancery Annex","address":"2406 Massachusetts Avenue NW, Washington, DC 20008","summary":"Built in 1911–12, Nathan Wyeth’s house became a chancery annex in 2015 after serving as an ambassadorial residence. ACG Architects designed the rear office extension.","modeled":true,"identityStatus":"verified","catalogue":true,"lat":38.9134694,"lon":-77.0531288,"neighborhood":"Sheridan-Kalorama","ssl":"2507 0052","owner":"Government of the United Arab Emirates","constructedYear":1912,"constructedDisplay":"1912","acquiredYear":1973,"occupiedYear":1976,"occupiedDisplay":"1976","floorSqft":27000,"floorBasis":"Forrester Construction reports 27,000 SF for its completed renovation and expansion of the existing 2406 Massachusetts Avenue chancery annex, including new annex and below-grade parking garage. Completed contractor project area. The adjacent 2400 Massachusetts development is a separate proposal; the historical residential CAMA record gives 12,888 sq ft.","siteSqft":6949,"assessment2026":9478180,"assessmentJurisdiction":"District of Columbia","rooms":null,"sourceUrls":["https://www.cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward_2_BZA_Report_18136.pdf","https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/","https://www.mohesr.gov.ae/EN/Pages/EducationAndTechnologySciencesAttache.aspx","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+LIKE+%272507%250052%27+OR+SSL+LIKE+%272507%250042%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL+LIKE+%272507%250052%27+OR+SSL+LIKE+%272507%250042%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+LIKE+%272507%250052%27+OR+SSL+LIKE+%272507%250042%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://www.cfa.gov/system/files/meeting-materials/7%20-%20SL%2021-152%20-%202400%20Mass%20Ave%20NW%20presentation.pdf","https://acgarchitects.com/projects/diplomatic/uae-chancery-annex/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0052%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://archive.org/download/employeesofdiplo1976wash/employeesofdiplo1976wash_djvu.txt"],"facts":[{"label":"Constructed","display":"1912","value":1912,"status":"documented","sourceUrls":["https://www.cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward_2_BZA_Report_18136.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+LIKE+%272507%250052%27+OR+SSL+LIKE+%272507%250042%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"note":"CFA dates the original house to 1911; DC Office of Planning and property records give 1912.","basis":""},{"label":"Acquired by UAE","display":"1973","value":1973,"status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward_2_BZA_Report_18136.pdf"],"note":"DC Office of Planning’s 2010 report states purchase by the UAE in 1973. This differs from an unassigned earlier sale in syndicated listing data.","basis":""},{"label":"Neighborhood","display":"Sheridan-Kalorama","value":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward_2_BZA_Report_18136.pdf"],"note":"","basis":"2406 Massachusetts Avenue NW is within the Sheridan-Kalorama neighborhood and Massachusetts Avenue Historic District. Use the same neighborhood label as the adjacent Japanese compound.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Architect","display":"Nathan Wyeth; ACG Architects","value":null,"status":"documented","sourceUrls":["https://www.cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes","https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"note":"Nathan Wyeth designed the original residence; ACG designed the completed renovation and extension.","basis":""},{"label":"Rooms","display":"20–55 est.","value":null,"status":"estimated","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office with below-grade parking property, assume 30%–50% of the recorded 27,000 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","display":"27,000 sq ft","value":27000,"status":"verified","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"note":"","basis":"Forrester Construction reports 27,000 SF for its completed renovation and expansion of the existing 2406 Massachusetts Avenue chancery annex, including new annex and below-grade parking garage. Completed contractor project area. The adjacent 2400 Massachusetts development is a separate proposal; the historical residential CAMA record gives 12,888 sq ft.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","display":"6,900 sq ft","value":6949,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0052%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2507/0052. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$9.5M","value":9478180,"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0052%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2507/0052. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1976,"display":"1976","status":"verified","sourceUrls":["https://archive.org/download/employeesofdiplo1976wash/employeesofdiplo1976wash_djvu.txt","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward_2_BZA_Report_18136.pdf"],"basis":"The State Department Employees of Diplomatic Missions, January 1976, p. 88, identifies a UAE gardener at 2406 Massachusetts Avenue. The DC Office of Planning report of November 2010 confirms the property’s former role as the ambassador’s residence and its 1973 purchase; purchase alone is not used as proof of occupation. January 1976 is the earliest located address-specific report of institutional use.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The exterior follows the existing 2406 building in ACG’s 2021 drawings and the supplied photographs. Some dimensions and concealed details are approximate.","DC Office of Planning reported the former ambassadorial residence vacant since 2004. The Commission of Fine Arts dates its conversion to a chancery annex to 2015.","The 2021 proposal to replace and connect the neighboring 2400 Massachusetts Avenue building is excluded from this model, site area and assessment.","The map location is the centroid of the DC GIS record-lot polygon for SSL 2507 0052."],"conversionYear":2015,"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2507/0052. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0052%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2507/0052. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0052%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Forrester Construction reports 27,000 SF for its completed renovation and expansion of the existing 2406 Massachusetts Avenue chancery annex, including new annex and below-grade parking garage. Completed contractor project area. The adjacent 2400 Massachusetts development is a separate proposal; the historical residential CAMA record gives 12,888 sq ft.","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office with below-grade parking property, assume 30%–50% of the recorded 27,000 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"verifiedOn":"2026-10-27"}},"parcelIds":["2507    0052"],"neighborhoodBasis":"2406 Massachusetts Avenue NW is within the Sheridan-Kalorama neighborhood and Massachusetts Avenue Historic District. Use the same neighborhood label as the adjacent Japanese compound.","roomsDisplay":"20–55","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office with below-grade parking property, assume 30%–50% of the recorded 27,000 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"20–55 est.","range":[20,55],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office with below-grade parking property, assume 30%–50% of the recorded 27,000 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":27000,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"20–55 est.","range":[20,55],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office with below-grade parking property, assume 30%–50% of the recorded 27,000 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":27000,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://forresterconstruction.com/portfolio/united-arab-emirates-chancery-annex/"],"preparedOn":"2026-10-27"}},"propertyId":"annex","country":"United Arab Emirates","slug":"united-arab-emirates","file":"United-Arab-Emirates.html","propertyCategory":"other"},{"id":"united-arab-emirates-residence","sceneId":"residence","kind":"compound","propertyFamily":"residence","propertyType":"Ambassador’s Residence","title":"Emirati Ambassador’s Residence","address":"1003–1005 Crest Lane, McLean, VA","summary":"Two connected houses occupy a riverside estate in McLean. The UAE acquired 1005 Crest Lane in 2006 and Hugh Newell Jacobsen’s White Residence at 1003 in 2012.","modeled":true,"identityStatus":"verified","catalogue":true,"lat":38.9503238,"lon":-77.1350971,"neighborhood":"McLean","constructedYear":1981,"acquiredYear":2006,"occupiedYear":2011,"floorSqft":19114,"siteSqft":204174,"assessment2026":27976920,"rooms":null,"sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Legal_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Sales_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Addition_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://plus.fairfaxcounty.gov/CitizenAccess/Cap/CapDetail.aspx?Module=Site&TabName=Site&capID1=11AB3&capID2=00000&capID3=000WT&agencyCode=FFX&IsToShowInspection=","https://www.usmodernist.org/jacobsen.htm","https://washingtonlife.com/issues/september-2007/Open_House_Back_to_School_Sale/page2.php","https://www.bowa.com/a-cultural-gateway-along-the-potomac-an-exclusive-look-inside-the-idyllic-home-of-uae-ambassadors-mclean-home/","https://www.harpersbazaararabia.com/culture/interiors/homes/inside-the-home-of-yousef-and-abeer-al-otaiba","https://www.wsj.com/real-estate/luxury-homes/the-u-a-e-mclean-virginia-spec-house-1589ae75","https://therealdeal.com/national/2024/05/08/uae-plotting-luxury-compound-in-d-c-suburb/","https://plus.fairfaxcounty.gov/CitizenAccess/Cap/CapDetail.aspx?Module=Building&TabName=Building&capID1=REC26&capID2=00000&capID3=01PQV&agencyCode=FFX&IsToShowInspection=","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReport.aspx?ParcelID=0224050003A","https://icare.fairfaxcounty.gov/ffxcare/Datalets/Datalet.aspx?UseSearch=no&pin=0224+05++0003A","https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=sales&UseSearch=no&pin=0224%2005%20%200003A&jur=129&taxyr=2026&LMparent=138","https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=valuesall&UseSearch=no&pin=0224%2005%20%200003A&jur=129&taxyr=2026&LMparent=138","https://www.google.com/maps/search/?api=1&query=38.9503238,-77.1350971","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReport.aspx?ParcelID=0224050001","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReport.aspx?ParcelID=0224050004A","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReport.aspx?ParcelID=0224050005","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"notes":["The property record and model cover the connected houses at 1003 and 1005 Crest Lane. They form one catalogue entry, with parcel values summed once.","The wider photographed cluster also includes UAE-government-owned 1001 and 1009 Crest Lane. The intervening 1007 parcel is registered to Potomac Properties McLean LLC; the county report does not establish its ultimate ownership. These three neighboring properties are outside the connected-pair model and all displayed totals.","Fairfax County record FPUD-2011-228530, submitted 15 July 2011, explicitly identifies the UAE Ambassador Residence at 1005 Crest Lane, parcel 0224 05 0003A. Both parcels remain in UAE government ownership in the reviewed county record. Current personal occupancy was not independently verified; that uncertainty does not alter the identities, recorded ownership or physical locations of these buildings.","1005 Crest Lane: built 2002, remodeled 2009; acquired 3 August 2006 for $11 million; 16,383 sq ft recorded above grade, 103,725 sq ft of land and $16,490,350 TY2026 assessed value.","1003 Crest Lane: White Residence by Hugh Newell Jacobsen; county construction year 1981, design dated 1978, addition dated 1988; acquired 13 September 2012 for $7 million; 2,731 sq ft recorded above grade, 100,449 sq ft of land and $11,486,570 TY2026 assessed value. The low above-grade figure does not include its full daylight basement and should not be read as the area of every visible level.","The exterior drawing follows supplied aerial imagery dated 15 August 2023 and Street View imagery from April 2022. Other supplied 3D imagery is undated. Dimensions and concealed details are approximate.","The green terrace surfaces are visible in the supplied imagery; their material has not been identified.","DEMOR-2026-00345, submitted 28 July 2026, is a partial-demolition application with status Waiting for Corrections when checked on 22 October. The related rough-grading application is also pending. Neither application proves completed demolition, vacancy or relocation, and neither is represented as completed work in this historical-imagery model.","1019, 1049 and 1079 Crest Lane belong to separate later acquisitions and compound proposals; they are excluded from these area and value totals. The Massachusetts Avenue former residence is separately recorded as the current annex.","BOWA and Harper’s Bazaar document the McLean ambassadorial home and its historical interiors."],"facts":[{"label":"Constructed","display":"1981","value":1981,"status":"documented","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false","https://www.usmodernist.org/jacobsen.htm"],"note":"1003: county construction year 1981; Jacobsen’s design is dated 1978 and an addition to 1988. 1005: construction 2002, remodel 2009. The earliest construction year, 1981, is the compound’s catalogue sort value.","basis":""},{"label":"Acquired by UAE","display":"2006 & 2012","value":2006,"status":"documented","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Sales_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false"],"note":"1005: 3 August 2006 for $11,000,000, deed 18662/2032. 1003: 13 September 2012 for $7,000,000, deed 22558/0006. These acquisition prices are separate from the 2026 assessed values.","basis":""},{"label":"Neighborhood","display":"McLean","value":"McLean","status":"documented","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Legal_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false"],"note":"Both street addresses are in McLean, Fairfax County, Virginia.","basis":""},{"label":"Architect","display":"Hugh Newell Jacobsen (1003)","value":"Hugh Newell Jacobsen","status":"documented","sourceUrls":["https://www.usmodernist.org/jacobsen.htm","https://washingtonlife.com/issues/september-2007/Open_House_Back_to_School_Sale/page2.php","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?f=pjson&where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false"],"note":"The Jacobsen attribution applies to the White Residence at 1003 only. USModernist identifies Rodger Speas as project architect for the original house and Ernest Schickler for the 1988 addition. The original architect of 1005 has not been verified.","basis":""},{"label":"Rooms","display":"20–45 est.","value":null,"status":"estimated","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 19,114 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","checkedOn":"2026-10-26"},{"label":"Floor area","display":"19,100 sq ft","value":19114,"status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County residential SFLA records for the two-property residence estate sum to 16,383 + 2,731 = 19,114 sq ft. This is reported above-grade living area; basements are excluded. Land and valuation retain the two-parcel estate scope.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","display":"204,200 sq ft","value":204174,"status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County recorded land square footage (SF), summed once across estate parcels. Current land working-roll TAXYR is 2027; the valuation is separately fixed to 2026. Uses the recorded area in square feet.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","display":"$28.0M","value":27976920,"status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County 2026 APRTOT, land plus improvements, summed once across the identified estate parcels. Tax exemption does not imply zero value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":2011,"display":"2011","status":"verified","sourceUrls":["https://plus.fairfaxcounty.gov/CitizenAccess/Cap/CapDetail.aspx?Module=Site&TabName=Site&capID1=11AB3&capID2=00000&capID3=000WT&agencyCode=FFX&IsToShowInspection="],"basis":"Fairfax County case FPUD-2011-228530, submitted 15 July 2011, explicitly identifies UAE Ambassador Residence at 1005 Crest Lane. Earliest documented diplomatic use at this address. The move-in date remains unresolved. The 1003 property was added in 2012.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"ownershipStatus":"UAE ownership of both parcels verified in county records","useStatus":"Ambassadorial residence documented at 1005 by 2011; photographed connected complex","occupancyStatus":"Current personal occupancy is not independently verified","county":"Fairfax County","state":"Virginia","owner":"Government of the United Arab Emirates","constructedDisplay":"1981","acquiredDisplay":"2006 & 2012","occupiedDisplay":"2011","firstDocumentedDiplomaticUseYear":2011,"floorBasis":"Fairfax County residential SFLA records for the two-property residence estate sum to 16,383 + 2,731 = 19,114 sq ft. This is reported above-grade living area; basements are excluded. Land and valuation retain the two-parcel estate scope.","siteAcres":4.6872,"assessmentYear":2026,"assessmentJurisdiction":"Fairfax County, Virginia","assessmentBasis":"Combined TY2026 APRTOT for parcels 0224 05  0003A and 0224 05  0002; assessed land and improvements, not purchase price or a market estimate.","bedroomsRecorded":13,"countingScope":"One connected residence-complex entry comprising two parcels. Neither component is separately counted in the catalogue.","overviewTitle":"Residence grounds","compoundDescription":"1005 and 1003 Crest Lane, McLean, Virginia.","modelEvidenceDate":"2023-08-15","modelEvidenceScope":"Exterior study from owner-supplied aerial and street imagery. The dated overhead reference is from 15 August 2023; street photographs are from April 2022. Other supplied 3D imagery is undated.","coordinateBasis":"Google Maps place point for 1005 Crest Lane, visible in the owner-supplied references; a building locator, not a surveyed parcel centroid or compound boundary.","coordinateSourceUrl":"https://www.google.com/maps/search/?api=1&query=38.9503238,-77.1350971","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Fairfax County 2026 APRTOT, land plus improvements, summed once across the identified estate parcels. Tax exemption does not imply zero value.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Fairfax County recorded land square footage (SF), summed once across estate parcels. Current land working-roll TAXYR is 2027; the valuation is separately fixed to 2026. Uses the recorded area in square feet.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Fairfax County residential SFLA records for the two-property residence estate sum to 16,383 + 2,731 = 19,114 sq ft. This is reported above-grade living area; basements are excluded. Land and valuation retain the two-parcel estate scope.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 19,114 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-27"}},"parcelIds":["0224 05  0003A","0224 05  0002"],"metricScopes":{"floorSqft":"Above grade"},"overviewLabel":"Whole estate","roomsDisplay":"20–45","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 19,114 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","roomEstimate":{"display":"20–45 est.","range":[20,45],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 19,114 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":19114,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"20–45 est.","range":[20,45],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 19,114 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":19114,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"preparedOn":"2026-10-27"}},"catalogueCountable":false,"propertyId":"residence","country":"United Arab Emirates","slug":"united-arab-emirates","file":"United-Arab-Emirates.html","propertyCategory":"residence"},{"id":"uzbekistan-chancery","sceneId":"chancery","title":"Embassy of the Republic of Uzbekistan","address":"1746 Massachusetts Avenue NW, Washington, DC 20036","summary":"Limestone balconies, wrought-iron scrollwork and a slate mansard crown the former Clarence Moore House, Uzbekistan’s home on Embassy Row.","modeled":true,"facts":[{"label":"Constructed","value":1909,"display":"1909","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf"],"note":"","basis":"HABS DC-267, p.3: work began September 1906; completed 1909.","status":"verified"},{"label":"Acquired by Uzbekistan","value":1996,"display":"1996","sourceUrls":["https://uzbekistan.org/about-the-embassy/"],"note":"","basis":"The embassy explicitly gives summer 1996. The official account dates the building purchase separately from the mission’s 1993 opening.","status":"verified"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","sourceUrls":["https://uzbekistan.org/about-the-embassy/"],"note":"","basis":"","status":"verified"},{"label":"Architect","value":"Bruce Price & Jules Henri de Sibour","display":"Price & de Sibour","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf"],"note":"","basis":"HABS building permit attribution, 1906. The embassy attributes design to Jules Henri de Sibour.","status":"verified"},{"label":"Rooms","value":null,"display":"35–60 est.","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf"],"note":"","basis":"Broad room estimate with low confidence. HABS describes the historical floor arrangements but supplies no complete current room schedule. Rooms here mean separately enclosed principal, work and service rooms; corridors, stairs, bathrooms and closets are excluded. Later office partitions and residential subdivisions are unknown, so the evidence does not justify narrowing the existing 35–60 range.","status":"estimated"},{"label":"Floor area","value":37086,"display":"37,100 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":16632,"display":"16,600 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 0158/0017. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 DC Assessment","value":21790910,"display":"$21,790,910","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%270158++++0017%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=UPPER%28OWNERNAME%29+LIKE+%27%25UZBEK%25%27+OR+UPPER%28OWNNAME2%29+LIKE+%27%25UZBEK%25%27+OR+UPPER%28CAREOFNAME%29+LIKE+%27%25UZBEK%25%27&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Current ASSESSMENT and PHASELAND + PHASEBUILD, CY1YEAR 2026; not proposed NEWTOTAL, prior OLDTOTAL or zero tax liability. Extract dated 3 August 2026. The 17 August 2026 ITSPE extract independently confirms ASSESSMENT 21,790,910 = PHASELAND 11,196,660 + PHASEBUILD 10,594,250, with CY1YEAR 2026; checked 22 October 2026.","status":"verified"},{"id":"assessment","label":"2026 Value","value":21790910,"display":"$21.8M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 0158/0017. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1927,"display":"1927","status":"verified","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf#page=8"],"basis":"HABS DC-267, p. 7 (PDF p. 8), explicitly states that this house served as the combined Canadian chancery and residence from 1927 to 1946. The property’s first documented diplomatic use predates its 1996 acquisition by Uzbekistan. Documented diplomatic use at the property.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["Uzbekistan’s embassy opened in Washington in 1993; the mission dates its acquisition of this property to summer 1996.","Former Canadian legation and embassy. The Canadian ambassador moved out in 1946; this does not establish use as today’s Uzbek ambassador residence.","Exterior scale is anchored to HABS dimensions. Floor levels, present roof equipment and concealed joins are interpretations, checked against supplied photographs.","Contemporaneous reporting supports an Uzbek opening in 1996; the exact date remains unverified."],"sourceUrls":["https://uzbekistan.org/about-the-embassy/","https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%270158++++0017%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%270158++++0017%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%270158++++0017%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://www.washingtonpost.com/archive/lifestyle/home-garden/1997/05/08/inside-the-mansions-of-embassy-row/8af3332b-077f-4027-a984-9188147eb38f/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=UPPER%28OWNERNAME%29+LIKE+%27%25UZBEK%25%27+OR+UPPER%28OWNNAME2%29+LIKE+%27%25UZBEK%25%27+OR+UPPER%28CAREOFNAME%29+LIKE+%27%25UZBEK%25%27&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0045/data/dc0045data.pdf#page=8"],"lat":38.908143833791186,"lon":-77.0406623023343,"neighborhood":"Dupont Circle","floorSqft":37086,"siteSqft":16632,"assessment2026":21790910,"constructedYear":1909,"acquiredYear":1996,"occupiedYear":1927,"roomEstimate":{"min":35,"max":60,"confidence":"low","method":"Broad room estimate with low confidence. HABS describes the historical floor arrangements but supplies no complete current room schedule. Rooms here mean separately enclosed principal, work and service rooms; corridors, stairs, bathrooms and closets are excluded. Later office partitions and residential subdivisions are unknown, so the evidence does not justify narrowing the existing 35–60 range."},"ssl":"0158    0017","occupancyEvidence":{"year":1996,"precision":"year","status":"reported","exactDate":null,"sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/home-garden/1997/05/08/inside-the-mansions-of-embassy-row/8af3332b-077f-4027-a984-9188147eb38f/","https://uzbekistan.org/about-the-embassy/"],"researchRecord":"evidence/uzbekistan/repair-20261022/property-facts-reverification.json"},"constructedDisplay":"1909","occupiedDisplay":"1927","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0158/0017. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0158/0017. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270158++++0017%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["0158    0017"],"assessmentJurisdiction":"District of Columbia","floorBasis":"Recorded DC CAMA building area; preserve the source field and building scope.","propertyId":"chancery","country":"Uzbekistan","slug":"uzbekistan","file":"Uzbekistan.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"brazil-chancery","sceneId":"chancery","title":"Embassy of the Federative Republic of Brazil","address":"3006 Massachusetts Avenue NW, Washington, DC 20008","summary":"Olavo Redig de Campos’s suspended glass pavilion lifts three office floors above a recessed entrance beside the ambassador’s residence. The site area and assessed value below cover the shared chancery–residence compound.","modeled":true,"facts":[{"label":"Constructed","value":1971,"display":"1971","status":"documented","sourceUrls":["https://www.gov.br/mre/pt-br/embaixada-washington/a-chancelaria","https://grunley.com/portfolio-project/brazilian-embassy/"],"note":"The embassy gives 1 October 1971 as the inauguration date. Grunley and the DC assessor also identify 1971. The 1973 date in SAH and historic address metadata remains a documented discrepancy; the partial renovation completed on 15 June 2011 was a separate event.","basis":"Official inauguration, corroborated construction year"},{"label":"Acquired by Brazil","value":null,"display":"On the 1934 estate","status":"estate acquisition documented; separate building purchase not established","sourceUrls":["https://www.gov.br/mre/pt-br/embaixada-washington/a-residencia","https://www.gov.br/mre/pt-br/embaixada-washington/a-chancelaria"],"note":"Brazil bought Villa McCormick on 12 September 1934. The modern chancery opened beside it in 1971. No separate purchase of this later building or deed crosswalk proving that every part of today’s parcel was included in the 1934 sale was established.","basis":"Estate purchase is distinct from construction and opening of the modern chancery"},{"label":"Neighborhood","value":null,"display":"Massachusetts Avenue Heights","status":"documented","sourceUrls":["https://sah-archipedia.org/buildings/DC-01-NW49","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/56/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"note":"Embassy Row / Massachusetts Avenue Heights in architectural accounts; the DC assessment neighborhood is Observatory Circle. These are different geographic classifications.","basis":"Architectural neighborhood; assessor geography stated separately"},{"label":"Architect","value":null,"display":"Olavo Redig de Campos","status":"documented","sourceUrls":["https://www.gov.br/mre/pt-br/embaixada-washington/a-chancelaria"],"note":"With assistant Ricardo de Abreu and local consulting architect Hans-Ulrich Scharnberg. The embassy describes steel columns along the central longitudinal module.","basis":"Original building; GHT Chartered belongs to the separate 2011 renovation"},{"label":"Rooms","value":null,"display":"60–145 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 54,404 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":54404,"display":"54,400 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC CAMA living gross building area (LIVING_GBA), building 2, section 1; building attribution inferred","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":77024,"display":"77,000 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2147/0059. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":14376013,"display":"$14.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2147/0059. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The new chancery’s marker ceremony was held on 13 June 1968. The embassy gives its opening as 1 October 1971; 1973 in SAH and DC historic address metadata is retained as a discrepancy. The 2011 partial renovation is separate.","The 58 × 14.4 m building dimensions are estimated from aerial and ground photographs. The projecting vestibule, raised granite entrance platform, recessed glazing and adjacent basin follow the photographed exterior; concealed circulation remains conservative.","DC records this area for building 2, section 1, the 1971 reinforced-concrete building, attributed here to the chancery. The public extract provides no address-to-building-number key. The number is recorded, not estimated from the model.","The chancery and historic residence total 73,313 sq ft in the building records. An additional 4,411 sq ft ancillary record is not assigned to either modeled building. The full shared estate is 77,024 sq ft of land and assessed at $14,376,013 for 2026; both property views display that estate scope, while database totals count it once.","The current parcel and both addresses are crosswalked in DC records. The 1934 estate purchase does not establish a separate purchase date for the modern building or a complete historical parcel-boundary chain."],"sourceUrls":["https://grunley.com/portfolio-project/brazilian-embassy/","https://sah-archipedia.org/buildings/DC-01-NW49","https://www.gov.br/mre/pt-br/embaixada-washington","https://www.gov.br/mre/pt-br/embaixada-washington/a-chancelaria","https://www.gov.br/mre/pt-br/embaixada-washington/a-residencia","https://funag.gov.br/biblioteca-nova/pdf/mostraPdf/1/1141/legacoes_e_embaixadas_do_brasil","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/0/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/35/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/7/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/56/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/25/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.91895603,"lon":-77.06088792,"neighborhood":"Massachusetts Avenue Heights","floorSqft":54404,"siteSqft":77024,"assessment2026":14376013,"constructedYear":1971,"acquiredYear":null,"occupiedYear":1971,"floorBasis":"DC CAMA living gross building area (LIVING_GBA), building 2, section 1; building attribution inferred","metricNote":"The two modeled buildings total 73,313 sq ft. A further 4,411 sq ft CAMA building record is unallocated and excluded from these component totals. The full recorded compound floor total is 77,724 sq ft. Compound land and assessment are counted once under the chancery.","parcelId":"2147    0059","metricScope":"Site and assessment cover the shared compound; floor area is the attributed chancery component.","siteAcquisitionYear":1934,"occupiedDate":"1971-10-01","inauguratedDate":"1971-10-01","occupancyBasis":"Official embassy inauguration on 1 October 1971; not an acquisition date.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Shared estate total: 2147/0059. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Shared estate total: 2147/0059. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area (LIVING_GBA), building 2, section 1; building attribution inferred","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 54,404 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"parcelIds":["2147    0059"],"assessmentJurisdiction":"District of Columbia","constructedDisplay":"1971","occupiedDisplay":"1971","metricGroupIds":{"siteSqft":"brazil-2147-0059","assessment2026":"brazil-2147-0059"},"metricScopes":{"siteSqft":"Shared estate","assessment2026":"Shared estate"},"rooms":null,"roomsDisplay":"60–145","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 54,404 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"60–145 est.","range":[60,145],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 54,404 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":54404,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"60–145 est.","range":[60,145],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 54,404 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":54404,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Brazil","slug":"brazil","file":"Brazil.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"brazil-residence","sceneId":"residence","title":"Brazilian Ambassador’s Residence","address":"3000 Massachusetts Avenue NW, Washington, DC 20008","summary":"John Russell Pope’s limestone Villa McCormick became Brazil’s permanent ambassadorial home in 1934. Its five-bay garden façade, columned entrance and curved library porch face the grounds. Land and assessed value are shared with the chancery and counted in that entry.","modeled":true,"facts":[{"label":"Constructed","value":1910,"display":"1910","status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Inventory%202009%200%20Alpha%20Version%2003%2011.pdf#page=99","https://historicsites.dcpreservation.org/items/show/366"],"note":"","basis":"The DC Inventory of Historic Sites dates the Robert S. McCormick House to circa 1910. The DC Preservation League historical account specifies construction from 1908 to 1910. Use the completion endpoint 1910; later landscape work and alterations do not replace the original building date.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Acquired by Brazil","value":1934,"display":"12 September 1934","status":"documented","sourceUrls":["https://www.gov.br/mre/pt-br/embaixada-washington/a-residencia"],"note":"Ruth Hanna Simms and General Charles G. Dawes sold Villa McCormick to the Brazilian government for $200,000. This is the historical purchase price, not today’s assessment.","basis":"Official embassy history; exact purchase date"},{"label":"Neighborhood","value":null,"display":"Massachusetts Avenue Heights","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Inventory%202009%200%20Alpha%20Version%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/56/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"note":"Massachusetts Avenue Heights / Embassy Row in historic architectural sources; Observatory Circle is the DC assessment neighborhood.","basis":""},{"label":"Architect","value":null,"display":"John Russell Pope","status":"documented","sourceUrls":["https://www.gov.br/mre/pt-br/embaixada-washington/a-residencia","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Inventory%202009%200%20Alpha%20Version%2003%2011.pdf"],"note":"Commissioned by Robert S. and Katherine McCormick in 1908; built by William P. Lipscomb.","basis":"Original house architect and builder"},{"label":"Rooms","value":null,"display":"20–45 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 18,909 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":18909,"display":"18,900 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC CAMA living gross building area (LIVING_GBA), building 1, section 1; building attribution inferred","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":77024,"display":"77,000 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2147/0059. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":14376013,"display":"$14.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Shared estate total: 2147/0059. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1934,"display":"1934","status":"verified","sourceUrls":["https://archive.org/download/diplomaticlist1934wash_9/diplomaticlist1934wash_9_djvu.txt"],"basis":"The State Department Diplomatic List, November 1934, p. 23, lists Ambassador Oswaldo Aranha, Madame Aranha and Counselor C. de Freitas-Valle at 3000 Massachusetts Avenue; the chancery is separately listed at 2437 Fifteenth Street. This proves residential diplomatic use during 1934 and does not rely solely on the September 1934 purchase.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The McCormicks bought the lot in 1907 and commissioned Pope in 1908. Circa-1910 completion follows the DC historic inventory. The documented sale to Brazil was 12 September 1934 for $200,000.","The model follows the published Pope plan for an approximate 26.4 × 15.2 m main block. Exterior photographs guide the five-bay garden façade, paired columns, balconies, shutters, curved library porch and cornice; the established rear stair assemblies are retained.","Dining and small drawing room studies represent the photographed 2015 installation. Historical plans inform structure and openings, not current furnishings or unseen circulation. Roof penetrations and concealed exterior details remain partly inferred.","DC records this area for building 1, section 1, attributed here to the historic main residence from its construction classification and relative scale. No public address-to-building-number key was retrieved. Its assessor year 1917 is not adopted as the house’s historical construction date.","The chancery and historic residence total 73,313 sq ft in the building records. An additional 4,411 sq ft ancillary record is not assigned to either modeled building. The full shared estate is 77,024 sq ft of land and assessed at $14,376,013 for 2026; both property views display that estate scope, while database totals count it once."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Inventory%202009%200%20Alpha%20Version%2003%2011.pdf","https://architectdesign.blogspot.com/2015/05/john-russell-popes-mccormick-residence.html","https://commons.wikimedia.org/wiki/File:Brazilian-residence-dc044.jpg","https://virtualglobetrotting.com/map/residence-of-the-ambassador-of-brazil-mccormick-house/","https://www.gov.br/mre/pt-br/embaixada-washington/a-chancelaria","https://www.gov.br/mre/pt-br/embaixada-washington/a-residencia","https://funag.gov.br/biblioteca-nova/pdf/mostraPdf/1/1141/legacoes_e_embaixadas_do_brasil","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/0/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/35/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/7/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/56/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/25/query?where=SSL%3D%272147++++0059%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Inventory%202009%200%20Alpha%20Version%2003%2011.pdf#page=99","https://historicsites.dcpreservation.org/items/show/366","https://archive.org/download/diplomaticlist1934wash_9/diplomaticlist1934wash_9_djvu.txt"],"lat":38.91867243,"lon":-77.06023329,"neighborhood":"Massachusetts Avenue Heights","floorSqft":18909,"siteSqft":77024,"assessment2026":14376013,"constructedYear":1910,"acquiredYear":1934,"occupiedYear":1934,"historicName":"McCormick House / Villa McCormick","floorBasis":"DC CAMA living gross building area (LIVING_GBA), building 1, section 1; building attribution inferred","metricNote":"The two modeled buildings total 73,313 sq ft. A further 4,411 sq ft CAMA building record is unallocated and excluded from these component totals. The full recorded compound floor total is 77,724 sq ft. Compound land and assessment are counted once under the chancery.","parcelId":"2147    0059","metricScope":"Floor area attributed to the main residence; shared land and assessment counted under chancery.","acquiredDate":"1934-09-12","occupiedDate":null,"occupancyBasis":"The embassy history links the 1934 purchase to establishment of a permanent diplomatic home; an exact move-in day was not found.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Shared estate total: 2147/0059. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Shared estate total: 2147/0059. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area (LIVING_GBA), building 1, section 1; building attribution inferred","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 18,909 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"parcelIds":["2147    0059"],"assessmentJurisdiction":"District of Columbia","constructedDisplay":"1910","occupiedDisplay":"1934","metricGroupIds":{"siteSqft":"brazil-2147-0059","assessment2026":"brazil-2147-0059"},"metricScopes":{"siteSqft":"Shared estate","assessment2026":"Shared estate"},"rooms":null,"roomsDisplay":"20–45","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 18,909 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"20–45 est.","range":[20,45],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 18,909 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":18909,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"20–45 est.","range":[20,45],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 18,909 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":18909,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0059%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"residence","country":"Brazil","slug":"brazil","file":"Brazil.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"china-chancery","sceneId":"chancery","title":"Embassy of the People's Republic of China","address":"3505 International Place NW, Washington, DC 20008","summary":"Pale limestone office wings frame a sequence of faceted ceremonial halls. Square skylight towers rise above the entrance court; behind the western block, a sheltered garden faces Van Ness Street.","modeled":true,"facts":[{"label":"Constructed","value":2008,"display":"2008","status":"documented","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgzc/200810/t20081001_4900084.htm","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"note":"Construction commenced in June 2005 and the architect dates completion to 2008. The new chancery hosted a National Day reception on 29 September 2008; the embassy’s building tour dates formal use to 1 April 2009.","basis":"Construction commenced in June 2005 and the architect dates completion to 2008. The new chancery hosted a National Day reception on 29 September 2008; the embassy’s building tour dates formal use to 1 April 2009."},{"label":"Site-use agreement","value":2001,"display":"19 October 2001","status":"documented","sourceUrls":["https://2009-2017.state.gov/s/l/2003/44387.htm","https://2009-2017.state.gov/documents/organization/130485.pdf"],"note":"The 2003 agreement and 2009 amended preambles identify the ICC Property Agreement of 19 October 2001. This is acquisition of USE, not fee-simple ownership. The original 2001 instrument was not separately retrieved.","basis":"The 2003 agreement and 2009 amended preambles identify the ICC Property Agreement of 19 October 2001. This is acquisition of USE, not fee-simple ownership. The original 2001 instrument was not separately retrieved."},{"label":"Neighborhood","value":"North Cleveland Park","display":"North Cleveland Park","status":"verified","sourceUrls":["https://anc3f.dc.gov/basic-page/anc-3f-resources","https://app.proxi.co/m/north-cleveland-park-dc/about"],"note":"","basis":"3505 International Place NW lies within the International Chancery Center west of Connecticut Avenue, in North Cleveland Park. The adjoining Singapore, Israel, and UAE chancery sites are also in North Cleveland Park.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Architect","value":null,"display":"Pei Partnership Architects with I. M. Pei","status":"documented","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://www.fmsp.com/projects/embassy-of-the-peoples-republic-of-china-chancery-building/"],"note":"","basis":""},{"label":"Rooms","value":null,"display":"285–770 est.","status":"estimated","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 429,480 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":429480,"display":"429,500 sq ft","status":"verified","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"note":"","basis":"PEI Architects reports 429,480 sq ft / 39,900 m²; the embassy independently reports 39,900 m². CAMA gives no usable floor area for the building.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":116208,"display":"116,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0819%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2055/0819. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded. Replaces rounded conversion of the embassy’s 10,796 m² description with the exact recorded parcel area.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":73281690,"display":"$73.3M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0819%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2055/0819. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"verified","sourceUrls":["https://us.china-embassy.gov.cn/eng/sgzc/200810/t20081001_4900084.htm","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"basis":"The embassy’s contemporaneous text of Ambassador Zhou Wenzhong’s September 29, 2008 National Day reception remarks explicitly identifies the venue as the new chancery and names senior US officials among its guests. This establishes actual diplomatic use in 2008. Regular use began on 1 April 2009; the reception establishes earlier diplomatic use in 2008.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The architect reports 429,480 sq ft / 39,900 m². The lighting consultant’s 25,000 m² describes an unresolved narrower scope and is not substituted.","The embassy’s 10,796 m² site converts to 116,207 sq ft; the matched DC parcel states 116,208 sq ft. The one-square-foot rounding difference does not indicate an additional parcel.","The ICC Property Agreement dated 19 October 2001 conferred site use; the DC parcel remains recorded to the United States. The architect dates completion to 2008, and a reception took place at the new chancery on 29 September 2008. The embassy’s building tour dates formal use to 1 April 2009.","2026 assessment: $73,281,690, DC parcel 2055 0819. The annual tax field is zero; that does not make the assessed value zero.","The model follows a north-up DC orthophoto dated 27 March 2025, reconciled with the supplied ground and oblique views. Heights, concealed walls, and grade transitions are approximate.","Each interior study follows a dated photographic installation. Capture dates remain unknown unless stated.","The residence is at 2301 S Street NW. Separate records cover the former chancery and staff property at 2200 S Street and the residence proposed at 2230 S Street in 1973."],"sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://2009-2017.state.gov/s/l/2003/44387.htm","https://2009-2017.state.gov/documents/organization/130485.pdf","https://us.china-embassy.gov.cn/eng/sgzc/200810/t20081001_4900084.htm","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0819%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://anc3f.dc.gov/basic-page/anc-3f-resources","https://app.proxi.co/m/north-cleveland-park-dc/about"],"lat":38.9425209,"lon":-77.0663505,"floorSqft":429480,"siteSqft":116208,"assessment2026":73281690,"constructedYear":2008,"acquiredYear":2001,"occupiedYear":2008,"neighborhood":"North Cleveland Park","acquisitionType":"site-use","siteUseDate":"2001-10-19","parcelIds":["2055    0819"],"owner":"United States of America (DC assessment record)","firstDocumentedCeremonialUse":"2008-09-29","formalUseDate":"2009-04-01","overviewLabel":"Whole chancery","overviewTitle":"Chancery grounds","compoundDescription":"The entrance hall connects the limestone office wings, with a terrace and garden behind. Select a building or feature to take a closer look.","cameraLocations":[{"id":"entrance-hall","label":"Entrance hall","description":"The central faceted hall rises above the circular glass entrance canopy.","secondary":false},{"id":"west-office","label":"West office wing","description":"The western limestone office range wraps around the sheltered garden.","secondary":false},{"id":"east-office","label":"East office wing","description":"The narrower eastern office range stands beside the ceremonial halls.","secondary":true},{"id":"rear-terrace","label":"Rear terrace","description":"A raised terrace behind the halls contains the open diamond-shaped stone frame and rock sculpture.","secondary":false},{"id":"west-garden","label":"West garden","description":"Stone paths wind through the garden enclosed by the western office range.","secondary":true}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2055/0819. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0819%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2055/0819. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded. Replaces rounded conversion of the embassy’s 10,796 m² description with the exact recorded parcel area.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0819%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"PEI Architects reports 429,480 sq ft / 39,900 m²; the embassy independently reports 39,900 m². CAMA gives no usable floor area for the building.","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 429,480 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","floorBasis":"PEI Architects reports 429,480 sq ft / 39,900 m²; the embassy independently reports 39,900 m². CAMA gives no usable floor area for the building.","neighborhoodBasis":"3505 International Place NW lies within the International Chancery Center west of Connecticut Avenue, in North Cleveland Park. The adjoining Singapore, Israel, and UAE chancery sites are also in North Cleveland Park.","constructedDisplay":"2008","occupiedDisplay":"2008","rooms":null,"roomsDisplay":"285–770","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 429,480 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"285–770 est.","range":[285,770],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 429,480 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":429480,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[280,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"285–770 est.","range":[285,770],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 429,480 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":429480,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[280,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://pei-architects.com/projects/embassy-of-the-peoples-republic-of-china/","https://us.china-embassy.gov.cn/eng/sgxx/zjsg/"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"China","slug":"china","file":"China.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"china-residence","sceneId":"residence","title":"Chinese Ambassador’s Residence","address":"2301 S Street NW, Washington, DC 20008","summary":"A red-brick house by Frost & Granger, built in 1905 for banker William Mearns. Three slate-clad dormers overlook a raised entrance and a curved red canopy on S Street.","modeled":true,"lat":38.91432,"lon":-77.05086,"floorSqft":11966,"siteSqft":22283,"assessment2026":9312890,"constructedYear":1905,"acquiredYear":null,"occupiedYear":1974,"neighborhood":"Sheridan-Kalorama","parcelIds":["2518    0034"],"owner":"Government of the People’s Republic of China","useStatus":"Residence identified by ANC 2D in May 2023; PRC ownership confirmed in the 2026 DC record. Continuing current use is inferred, not a newly issued embassy confirmation.","facts":[{"label":"Constructed","value":1905,"display":"1905","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"note":"National Register district nomination credits Frost & Granger (1905), for William Mearns. DC CAMA AYB=1900 is a conflicting assessor field, not used as the architectural date.","basis":"National Register district nomination credits Frost & Granger (1905), for William Mearns. DC CAMA AYB=1900 is a conflicting assessor field, not used as the architectural date."},{"label":"Acquired by China","value":null,"display":"Date not verified","status":"unverified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://history.state.gov/historicaldocuments/frus1969-76v18/d41"],"note":"The 2026 tax record establishes PRC ownership but has no deed/sale date. The 1973 memorandum lists proposed houses; it does not establish a completed purchase.","basis":"The 2026 tax record establishes PRC ownership but has no deed/sale date. The 1973 memorandum lists proposed houses; it does not establish a completed purchase."},{"label":"Neighborhood","value":null,"display":"Sheridan-Kalorama","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"note":"","basis":""},{"label":"Architect","value":null,"display":"Frost & Granger","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"note":"","basis":""},{"label":"Rooms","value":16,"display":"16","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","value":11966,"display":"12,000 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":22283,"display":"22,300 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2518/0034. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":9312890,"display":"$9.3M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2518/0034. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1974,"display":"1974","status":"verified","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0029/7490125.pdf#page=65"],"basis":"Ford Presidential Library documents a December 4, 1974 luncheon at Ambassador Huang Chen’s residence, 2301 S Street. The board memorandum on PDF p. 65 is dated in context by the October 2, 1974 letter on p. 66 and January 17, 1975 retrospective on p. 67. This establishes actual use in 1974 without treating the 1973 purchase proposal as occupancy.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["Residence identified by ANC 2D in May 2023; PRC ownership confirmed in the 2026 DC record. Current use is inferred from the retained evidence and awaits fresh embassy confirmation.","The 1905 architectural date comes from the National Register nomination; the assessor’s generic 1900 year-built field is retained in evidence as a discrepancy.","Residence totals cover parcel 2518 0034 only. Parcel 2518 0031 is separated by an intervening lot and has not been established as part of this estate; it is not counted.","The first diplomatic occupancy date and acquisition date remain unverified. The 1973 State memorandum proposes 2230 S Street as the chief’s residence; it does not prove when 2301 was occupied or purchased.","The exterior uses the public DC building footprint and overhead/facade imagery. No authenticated residence interior was located, so no room reconstruction is invented.","The publicly available facade reference has no established republication license; it is retained as research evidence, not presented as a licensed gallery photograph."],"sourceUrls":["https://oanc.dc.gov/sites/default/files/2025-01/2D%20May%202023%20Meeting%20Minutes.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35","https://history.state.gov/historicaldocuments/frus1969-76v18/d41","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0029/7490125.pdf#page=65"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2518/0034. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2518/0034. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272518++++0034%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"assessmentJurisdiction":"District of Columbia","floorBasis":"Recorded DC CAMA building area; preserve the source field and building scope.","rooms":16,"constructedDisplay":"1905","occupiedDisplay":"1974","propertyId":"residence","country":"China","slug":"china","file":"China.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"singapore-chancery","sceneId":"chancery","title":"Embassy of the Republic of Singapore","address":"3501 International Place NW, Washington, DC 20008","summary":"RTKL’s intersecting metal roofs, pale brickwork and teak screens bring tropical architectural references to Washington’s International Chancery Center.","modeled":true,"facts":[{"label":"Constructed","value":1993,"display":"1993","status":"documented","sourceUrls":["https://www.ncpc.gov/docs/actions/2018March/7952_Embassy_of_Singapore_-_Fence_Alterations_Staff_Report_Mar2018.pdf","https://www.usmodernist.org/AJ/A-1994-09.pdf","https://eresources.nlb.gov.sg/newspapers/digitised/issue/newpaper19930929-1","https://www.worldscientific.com/do/10.1142/do.10513-writeup/full/"],"note":"NCPC records construction in 1993; the completed building appears in the September 1994 architectural press. A contemporary newspaper report dates the opening to 28 September 1993."},{"label":"Acquired by Singapore","value":null,"display":"Lease date unverified","status":"unverified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://www.cfa.gov/records-research/project-search/cfa-21oct04-4","https://www.ncpc.gov/docs/actions/2018March/7952_Embassy_of_Singapore_-_Fence_Alterations_Staff_Report_Mar2018.pdf"],"note":"The parcel is federally owned. The lease or site-use start remains unresolved. The 2017 tax lot record dates parcel registration."},{"label":"Neighborhood","value":"North Cleveland Park","display":"North Cleveland Park","status":"documented","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"note":"DC assessor neighborhood NBHDNAME for parcel 2055 0818; International Chancery Center location."},{"label":"Architect","value":"RTKL Associates","display":"RTKL Associates","status":"documented","sourceUrls":["https://www.cfa.gov/records-research/project-search/cfa-21oct04-4","https://www.usmodernist.org/AJ/A-1994-09.pdf"],"note":""},{"label":"Rooms","value":null,"display":"55–130 est.","status":"estimated","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 49,653 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":49652.85781011984,"display":"49,700 sq ft","status":"estimated","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"note":"","basis":"Estimate from model floorplates calibrated to the 1,274.93 m² official roof outline (EPSG26985). The plan separates the four-storey office wing, three-storey garden/east wings and curved bay, counting the tall entrance only once and deducting a 7.2×7 m atrium on two upper levels. The official embassy tender confirms a basement and attic: assume one basement matching the enclosed footprint and an attic occupying 50% of the main cross-shaped wall footprint. Remove roof overhangs using model wall lines before summing. The resulting main above-grade floors are about 33,400 sq ft, independently close to the architect’s 36,000 sq ft renovation scope; basement/attic coverage remains assumed, so the total is an estimate.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24","estimate":{"method":"GIS-calibrated-model-floorplates","rawSqft":49652.85781011984,"unscaledComponentsSqm":{"four_storey_west_office":1076.16,"three_storey_centre_minus_upper_atrium":316.92,"single_floor_entrance_atrium":82.60000000000001,"three_storey_garden_pavilion":693.8400000000001,"three_storey_east_return":276.12,"three_storey_curved_bay":199.42830164988004,"one_basement_full_wall_footprint":880.6761005499601,"partial_attic_half_cross_footprint":407.1},"modelRoofOutline":[[-30,-7.2],[-7.2,-7.2],[-7.2,-15],[7.2,-15],[7.2,-7.2],[15,-7.2],[15,7.2],[7.2,7.2],[7.2,26.8],[-7.2,26.8],[-7.2,7.2],[-30,7.2]],"modelWallOutline":[[-28.7,-5.9],[-5.9,-5.9],[-5.9,-12.9],[5.9,-12.9],[5.9,-5.9],[13.7,-5.9],[13.7,5.9],[5.9,5.9],[5.9,25.5],[-5.9,25.5],[-5.9,5.9],[-28.7,5.9]],"curvedBayRadiusMetres":9.2,"modelRoofUnionSqm":1086.9760295909778,"officialRoofSqm":1274.9330444335938,"areaCalibration":1.17291735026884,"linearCalibration":1.0830130886876852,"officialRoofObjectId":118623,"officialRoofCrs":"EPSG:26985 (metres)","officialRawFile":"raw/singapore-chancery-rooflines.json","modelFile":"scenes/singapore/scene.js","modelSha256":"226ec559566b4eb0bc42e0a8ea355924141ed9290416560821cbf2bcf706ab28","assumptions":["Upper central atrium void is 7.2×7.0m on two levels.","Basement occupies the modeled wall footprint; MFA confirms existence but not coverage.","Occupied attic covers 50% of the main cross footprint; MFA confirms attic but not coverage.","Four floors in office wing; three in garden/east wings; tall entrance atrium counted once."],"exclusions":["Roof overhangs","Open terraces","Courtyard landscape","Detached guard booth (not enough interior-area evidence)"],"independentCheck":"Estimated main above-grade floors are compared with the project architect’s 36,000 sq ft renovation scope, which does not itself prove whole-building GFA.","displaySqft":49700,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","officialRawSha256":"a9e0e8e77da225c601dc951ae53d342d1c751a1bcbb1fbae137e2bf01694715a","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"]}},{"label":"Site area","value":37757,"display":"37,800 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2055/0818. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 DC Assessment","value":23809860,"display":"$23,809,860","status":"documented","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0/query?where=ADDRESS+LIKE+%27%253501%25INTERNATIONAL%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"note":"CY1YEAR 2026; ASSESSMENT = PHASELAND 5,665,440 + PHASEBUILD 18,144,420 for parcel 2055 0818. Federal tax exemption does not make the assessed value zero."},{"id":"assessment","label":"2026 Value","value":23809860,"display":"$23.8M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2055/0818. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1993,"display":"1993","status":"verified","sourceUrls":["https://eresources.nlb.gov.sg/newspapers/digitised/issue/newpaper19930929-1","https://www.worldscientific.com/do/10.1142/do.10513-writeup/full/"],"basis":"Contemporaneous AP report in The New Paper, 29 September 1993, page 2, reports that Foreign Minister Wong Kan Seng opened the new Washington embassy the preceding day. The opening is independently documented in Ambassador Ong Keng Yong’s photograph, reproduced by World Scientific.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The exterior is an estimated-scale proportional study reconciled against the supplied aerial and ground photographs.","The chancery completion year is 1993; its earliest documented diplomatic use is 1993. Estimate from model floorplates calibrated to the 1,274.93 m² official roof outline (EPSG26985). The plan separates the four-storey office wing, three-storey garden/east wings and curved bay, counting the tall entrance only once and deducting a 7.2×7 m atrium on two upper levels. The official embassy tender confirms a basement and attic: assume one basement matching the enclosed footprint and an attic occupying 50% of the main cross-shaped wall footprint. Remove roof overhangs using model wall lines before summing. The resulting main above-grade floors are about 33,400 sq ft, independently close to the architect’s 36,000 sq ft renovation scope; basement/attic coverage remains assumed, so the total is an estimate.","Official DC address records link the chancery to tax parcel 2055 0818; NCPC identifies the same address as International Chancery Center planning Lot 14. Site area and assessment describe this federally owned parcel, not Singapore-owned fee-simple land or the whole center.","The commercial CAMA record’s 2018 year conflicts with the primary construction history; its zero floor area is treated as unavailable data."],"sourceUrls":["https://washington.mfa.gov.sg/contact-us/","https://www.cfa.gov/records-research/project-search/cfa-21oct04-4","https://www.usmodernist.org/AJ/A-1994-09.pdf","https://www.ncpc.gov/docs/actions/2018March/7952_Embassy_of_Singapore_-_Fence_Alterations_Staff_Report_Mar2018.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0/query?where=ADDRESS+LIKE+%27%253501%25INTERNATIONAL%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/39/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://eresources.nlb.gov.sg/newspapers/digitised/issue/newpaper19930929-1","https://www.worldscientific.com/do/10.1142/do.10513-writeup/full/"],"lat":38.94275847160758,"lon":-77.06542078103662,"neighborhood":"North Cleveland Park","floorSqft":49652.85781011984,"siteSqft":37757,"assessment2026":23809860,"constructedYear":1993,"acquiredYear":null,"occupiedYear":1993,"coordinateBasis":"DC Master Address Repository address point 294570, 3501 International Place NW, returned as WGS84 geometry. The address record explicitly identifies parcel 2055 0818 and places the point at the center of the building.","coordinateSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0/query?where=ADDRESS+LIKE+%27%253501%25INTERNATIONAL%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/39/query?where=SSL%3D%272055++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"estimated","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2055/0818. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2055/0818. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"estimated","basis":"Estimate from model floorplates calibrated to the 1,274.93 m² official roof outline (EPSG26985). The plan separates the four-storey office wing, three-storey garden/east wings and curved bay, counting the tall entrance only once and deducting a 7.2×7 m atrium on two upper levels. The official embassy tender confirms a basement and attic: assume one basement matching the enclosed footprint and an attic occupying 50% of the main cross-shaped wall footprint. Remove roof overhangs using model wall lines before summing. The resulting main above-grade floors are about 33,400 sq ft, independently close to the architect’s 36,000 sq ft renovation scope; basement/attic coverage remains assumed, so the total is an estimate.","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 49,653 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"verifiedOn":"2026-10-27"}},"parcelIds":["2055    0818"],"assessmentJurisdiction":"District of Columbia","metricEstimates":{"floorSqft":{"method":"GIS-calibrated-model-floorplates","rawSqft":49652.85781011984,"unscaledComponentsSqm":{"four_storey_west_office":1076.16,"three_storey_centre_minus_upper_atrium":316.92,"single_floor_entrance_atrium":82.60000000000001,"three_storey_garden_pavilion":693.8400000000001,"three_storey_east_return":276.12,"three_storey_curved_bay":199.42830164988004,"one_basement_full_wall_footprint":880.6761005499601,"partial_attic_half_cross_footprint":407.1},"modelRoofOutline":[[-30,-7.2],[-7.2,-7.2],[-7.2,-15],[7.2,-15],[7.2,-7.2],[15,-7.2],[15,7.2],[7.2,7.2],[7.2,26.8],[-7.2,26.8],[-7.2,7.2],[-30,7.2]],"modelWallOutline":[[-28.7,-5.9],[-5.9,-5.9],[-5.9,-12.9],[5.9,-12.9],[5.9,-5.9],[13.7,-5.9],[13.7,5.9],[5.9,5.9],[5.9,25.5],[-5.9,25.5],[-5.9,5.9],[-28.7,5.9]],"curvedBayRadiusMetres":9.2,"modelRoofUnionSqm":1086.9760295909778,"officialRoofSqm":1274.9330444335938,"areaCalibration":1.17291735026884,"linearCalibration":1.0830130886876852,"officialRoofObjectId":118623,"officialRoofCrs":"EPSG:26985 (metres)","officialRawFile":"raw/singapore-chancery-rooflines.json","modelFile":"scenes/singapore/scene.js","modelSha256":"226ec559566b4eb0bc42e0a8ea355924141ed9290416560821cbf2bcf706ab28","assumptions":["Upper central atrium void is 7.2×7.0m on two levels.","Basement occupies the modeled wall footprint; MFA confirms existence but not coverage.","Occupied attic covers 50% of the main cross footprint; MFA confirms attic but not coverage.","Four floors in office wing; three in garden/east wings; tall entrance atrium counted once."],"exclusions":["Roof overhangs","Open terraces","Courtyard landscape","Detached guard booth (not enough interior-area evidence)"],"independentCheck":"Estimated main above-grade floors are compared with the project architect’s 36,000 sq ft renovation scope, which does not itself prove whole-building GFA.","displaySqft":49700,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","officialRawSha256":"a9e0e8e77da225c601dc951ae53d342d1c751a1bcbb1fbae137e2bf01694715a","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"]},"rooms":{"display":"55–130 est.","range":[55,130],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 49,653 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":49652.85781011984,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"preparedOn":"2026-10-27"}},"floorBasis":"Estimate from model floorplates calibrated to the 1,274.93 m² official roof outline (EPSG26985). The plan separates the four-storey office wing, three-storey garden/east wings and curved bay, counting the tall entrance only once and deducting a 7.2×7 m atrium on two upper levels. The official embassy tender confirms a basement and attic: assume one basement matching the enclosed footprint and an attic occupying 50% of the main cross-shaped wall footprint. Remove roof overhangs using model wall lines before summing. The resulting main above-grade floors are about 33,400 sq ft, independently close to the architect’s 36,000 sq ft renovation scope; basement/attic coverage remains assumed, so the total is an estimate.","constructedDisplay":"1993","occupiedDisplay":"1993","rooms":null,"roomsDisplay":"55–130","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 49,653 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"55–130 est.","range":[55,130],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 49,653 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":49652.85781011984,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://washington.mfa.gov.sg/procurement-opportunities/expression-of-interest--eoi--for-main-lead-consultancy-and-project-management-services-for-the-upgrading-of-chancery-in-washington-d-c-/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D118623&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://static1.squarespace.com/static/5871247137c5811e54c4ad1c/t/58733485bebafb70ccf2161c/1483945094134/project%2Bexperience-2016.pdf","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/singapore/scene.js"],"preparedOn":"2026-10-27"},"propertyId":"chancery","country":"Singapore","slug":"singapore","file":"Singapore.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"singapore-residence","sceneId":"residence","title":"Singaporean Ambassador’s Residence","address":"2620 Rock Creek Drive NW, Washington, DC 20008","summary":"A long brick house on Rock Creek Drive, with a pedimented doorway and two tall chimneys on its Woodland Drive side. Built in 1990, it stands behind clipped hedges and a stone garden wall.","modeled":true,"lat":38.920792103322135,"lon":-77.05531938423731,"neighborhood":"Woodland-Normanstone","floorSqft":5625,"siteSqft":10987,"assessment2026":7080160,"constructedYear":1990,"acquiredYear":null,"occupiedYear":2007,"sourceUrls":["https://washingtonlife.com/embassy-directory-2016/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272140%20%20%20%200046%27&outFields=*&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272140%20%20%20%200046%27&outFields=*&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0/query?where=ADDRESS+LIKE+%27%252620%25ROCK+CREEK%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/57/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=OWNERNAME+LIKE+%27%25SINGAPORE%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://www.realtor.com/realestateandhomes-detail/2620-Rock-Creek-Dr-NW_Washington_DC_20008_M50106-28504","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Facility_and_Structure/MapServer/1/query?f=json&geometry=-77.05562%2C38.92057%2C-77.05495%2C38.92096&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=%2A&returnGeometry=true&outSR=4326","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272140++++0046%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://www.washingtonlife.com/issues/october-2007/Article1/page8.php"],"notes":["DC residential records list 15 rooms, including five bedrooms, and separately record eight full bathrooms and one half bathroom. The 5,625 sq ft figure is recorded gross building area.","The $5,691,300 Zillow Zestimate supplied on 22 October 2026 is a market estimate. It is separate from the official 2026 DC assessment of $7,080,160 for the two-parcel estate; the quoted Zestimate has not been independently verified.","The exterior follows the supplied July 2025 and November 2022 street views and aerial views reviewed on 22 October 2026. The official DC footprint anchors the main rectangle at approximately 24.3 by 10.9 metres. Heights, planting and details hidden on the rear and left side are approximated.","Land and assessment cover main parcel 2140 0046 and adjoining strip 2140 0847 together: 10,987 sq ft and $7,080,160. The strip has no building area."],"facts":[{"label":"Constructed","value":1990,"display":"1990","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272140%20%20%20%200046%27&outFields=*&f=pjson"],"basis":"CAMA AYB; effective year 2017 is not construction.","checkedOn":"2026-10-29"},{"label":"Acquired by Singapore","value":null,"display":"Not Verified","status":"unverified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/57/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://upload.wikimedia.org/wikipedia/commons/d/d9/January_to_December_1992_(IA_cfaminutes16april1992).pdf","https://www.realtor.com/realestateandhomes-detail/2620-Rock-Creek-Dr-NW_Washington_DC_20008_M50106-28504"],"note":"Official sale/deed dates are missing or placeholders. A secondary listing reports an April 1992 sale, while CFA mentions an unnamed buyer; neither establishes the deed grantee."},{"label":"Neighborhood","value":"Woodland-Normanstone","display":"Woodland-Normanstone","status":"verified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"note":"","basis":"Standardize the established geographic neighborhood name for 2620 Rock Creek Drive NW; normalize the existing Woodland Normanstone spelling without changing the geographic assignment.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Architect","value":null,"display":"Not Verified","status":"unverified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://upload.wikimedia.org/wikipedia/commons/d/d9/January_to_December_1992_(IA_cfaminutes16april1992).pdf"],"note":"CAMA, the address record and reviewed CFA site-history material do not identify the house’s architect; targeted exact-address research did not resolve the attribution.","basis":""},{"label":"Rooms","value":15,"display":"15","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272140++++0046%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","value":5625,"display":"5,600 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272140++++0046%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":10987,"display":"11,000 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=false&f=pjson"],"note":"","basis":"Two contiguous, nonoverlapping Singapore-owned parcels: main house parcel 2140/0046, 9,774 sq ft, plus southwest edge parcel 2140/0847, 1,213 sq ft. Sum 10,987 sq ft. Use the current assessment LANDAREA fields, without substituting the GIS calculated-area field.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"assessment","label":"2026 Value","value":7080160,"display":"$7.1M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=false&f=pjson"],"basis":"Current 2026 ITSPE ASSESSMENT sum across the same two-parcel residence estate: 2140/0046 at $7,054,630 plus 2140/0847 at $25,530. Both records have DELCODE N and CY1YEAR 2026; the southwest strip has PHASEBUILD 0. Current assessed estate total.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":2007,"display":"2007","status":"documented-by","sourceUrls":["https://www.washingtonlife.com/issues/october-2007/Article1/page8.php"],"basis":"Washington Life’s dated October 2007 Embassy Row directory explicitly lists Ambassador Chan Heng Chee’s residence at 2620 Rock Creek Drive. Earliest dated occupancy evidence at this address. The 1992 sale and CFA inspection establish ownership and condition; the move-in date remains unresolved. An earlier Clinton Library list also names Chan at the property but lacks a verified document date and is not used to assign a year.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"coordinateBasis":"Area centroid calculated from the official DC Owner Polygons boundary of residence parcel 2140 0046. The independent Record Lots boundary agrees, and DC address point 220386 links 2620 Rock Creek Drive NW to this parcel. Coordinate verification is independent of model readiness.","coordinateSourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0/query?where=ADDRESS+LIKE+%27%252620%25ROCK+CREEK%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified","occupiedYear":"documented-by","constructedYear":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Current 2026 ITSPE ASSESSMENT sum across the same two-parcel residence estate: 2140/0046 at $7,054,630 plus 2140/0847 at $25,530. Both records have DELCODE N and CY1YEAR 2026; the southwest strip has PHASEBUILD 0. Current assessed estate total.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Two contiguous, nonoverlapping Singapore-owned parcels: main house parcel 2140/0046, 9,774 sq ft, plus southwest edge parcel 2140/0847, 1,213 sq ft. Sum 10,987 sq ft. Use the current assessment LANDAREA fields, without substituting the GIS calculated-area field.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272140++++0046%27%2C%272140++++0847%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Recorded DC CAMA building area; preserve the source field and building scope.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272140++++0046%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"occupiedYear":{"status":"documented-by","basis":"Washington Life’s dated October 2007 Embassy Row directory explicitly lists Ambassador Chan Heng Chee’s residence at 2620 Rock Creek Drive. Earliest dated occupancy evidence at this address. The 1992 sale and CFA inspection establish ownership and condition; the move-in date remains unresolved. An earlier Clinton Library list also names Chan at the property but lacks a verified document date and is not used to assign a year.","sourceUrls":["https://www.washingtonlife.com/issues/october-2007/Article1/page8.php"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"CAMA AYB; effective year 2017 is not construction.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272140%20%20%20%200046%27&outFields=*&f=pjson"],"checkedOn":"2026-10-29"}},"floorBasis":"Recorded DC CAMA building area; preserve the source field and building scope.","neighborhoodBasis":"Standardize the established geographic neighborhood name for 2620 Rock Creek Drive NW; normalize the existing Woodland Normanstone spelling without changing the geographic assignment.","rooms":15,"constructedDisplay":"1990","occupiedDisplay":"2007","parcelIds":["2140    0046","2140    0847"],"occupationBasis":"Washington Life’s dated October 2007 Embassy Row directory explicitly lists Ambassador Chan Heng Chee’s residence at 2620 Rock Creek Drive. Earliest dated occupancy evidence at this address. The 1992 sale and CFA inspection establish ownership and condition; the move-in date remains unresolved. An earlier Clinton Library list also names Chan at the property but lacks a verified document date and is not used to assign a year.","constructedBasis":"CAMA AYB; effective year 2017 is not construction.","propertyId":"residence","country":"Singapore","slug":"singapore","file":"Singapore.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"russia-chancery","sceneId":"chancery","title":"Embassy of the Russian Federation","address":"2650 Wisconsin Avenue NW, Washington, DC","summary":"The principal office building rises around an open courtyard above the Wisconsin Avenue campus.","modeled":true,"facts":[{"label":"Constructed","value":1985,"display":"1985","sourceUrls":["http://search.globescope.com/indexp~4.htm","https://russiancouncil.ru/digest/diplomansions.html"],"verifiedOn":"2026-10-23","note":"Housing, school, kindergarten and sports facilities were completed in 1979; administrative and ceremonial buildings in 1985. The ceremonial inauguration followed in September 1994.","basis":"","status":"verified","fieldId":"constructed"},{"label":"Acquired by Russia","value":1969,"display":"1969 (lease)","sourceUrls":["http://search.globescope.com/indexp~4.htm","https://russiancouncil.ru/digest/diplomansions.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CCY1YEAR%2CCY2YEAR%2CNBHDNAME%2CEXTRACTDAT&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-23","note":"An 85 year lease to the USSR. DC records list the United States Office of Foreign Missions as owner.","basis":"","status":"verified","fieldId":"acquired"},{"label":"Neighborhood","value":"Glover Park","display":"Glover Park","sourceUrls":["https://gloverparkhistory.com/institutions/present-institutions/russian-embassy-2/"],"verifiedOn":"2026-10-24","note":"","basis":"The Glover Park local history identifies the Russian embassy complex at the former Mount Alto site as a neighborhood institution.","status":"verified","fieldId":"neighborhood","checkedOn":"2026-10-24"},{"label":"Architect","value":"Mikhail Posokhin","display":"Mikhail Posokhin","sourceUrls":["http://search.globescope.com/indexp~4.htm","https://russiancouncil.ru/digest/diplomansions.html"],"verifiedOn":"2026-10-23","note":"","basis":"","status":"verified","fieldId":"architect"},{"label":"Rooms","value":null,"display":"735–1675 est.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-23","note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 900,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the whole Mount Alto campus, including offices and residential blocks.","status":"estimated","fieldId":"rooms","checkedOn":"2026-10-26"},{"label":"Floor area","value":900000,"display":"900,000 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"DC CAMA gross building area, parcel 1300/0564","status":"verified","fieldId":"floor_area","checkedOn":"2026-10-24"},{"label":"Site area","value":549009,"display":"549,000 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"Parcel total: 1300/0564. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","fieldId":"site_area","checkedOn":"2026-10-24"},{"label":"2026 Value","value":430854010,"display":"$430.9M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"Parcel total: 1300/0564. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","year":2026,"fieldId":"assessment_2026","checkedOn":"2026-10-24"}],"notes":["The drawing uses a cropped landscape around the embassy group. Legal boundaries are recorded separately. Neighboring apartment buildings are excluded.","Property metrics cover DC parcel 1300/0564. Only the embassy group within the requested display crop is modeled; metrics are not calculated from the display tile.","Roof outlines follow public DC GIS data. Heights, repeated bays on obscured elevations, and landscape details are photographic or proportional estimates.","The 1994 ceremonial opening is distinct from the 1979 completion of initial residential and community facilities and the 1985 completion of the chancery.","The chancery was completed in 1985 and formally inaugurated in 1994. The compound’s 1979 occupation applies to its housing and community buildings."],"sourceUrls":["http://search.globescope.com/indexp~4.htm","https://russiancouncil.ru/digest/diplomansions.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CCY1YEAR%2CCY2YEAR%2CNBHDNAME%2CEXTRACTDAT&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=SSL%2CPREMISEADD%2CLANDAREA%2CSTATEDAREA%2CCALCULATEDAREA&returnGeometry=true&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://gloverparkhistory.com/institutions/present-institutions/russian-embassy-2/"],"lat":38.92415,"lon":-77.07446,"floorSqft":900000,"siteSqft":549009,"assessment2026":430854010,"constructedYear":1985,"acquiredYear":1969,"occupiedYear":1994,"overviewLabel":"Whole compound","overviewTitle":"The Wisconsin Avenue campus","compoundDescription":"The chancery and ceremonial building stand on an upper terrace above the Tunlaw Road frontage. Residential wings and recreation buildings enclose the lower northern courts. Select a building or feature to take a closer look.","cameraLocations":[],"constructedDisplay":"1985","acquiredDisplay":"1969 (lease)","occupiedDisplay":"1994","floorBasis":"DC CAMA gross building area, parcel 1300/0564","metricNote":"Whole parcel 1300/0564; the model uses a smaller editorial landscape crop.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1300/0564. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1300/0564. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area, parcel 1300/0564","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 900,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the whole Mount Alto campus, including offices and residential blocks.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"parcelIds":["1300    0564"],"assessmentJurisdiction":"District of Columbia","neighborhood":"Glover Park","neighborhoodBasis":"The Glover Park local history identifies the Russian embassy complex at the former Mount Alto site as a neighborhood institution.","parentPropertyId":"compound","kind":"chancery","measurementScope":"Figures cover the whole embassy compound.","defaultFocus":{"id":"main-chancery","focus":{"target":[20.6046,27.2013,29.5578],"position":[104.25,70.7,-3.77],"span":100}},"rooms":null,"roomsDisplay":"735–1675","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 900,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the whole Mount Alto campus, including offices and residential blocks.","roomEstimate":{"display":"735–1675 est.","range":[735,1675],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 900,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":900000,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the whole Mount Alto campus, including offices and residential blocks.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"735–1675 est.","range":[735,1675],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 900,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":900000,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the whole Mount Alto campus, including offices and residential blocks.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++0564%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Russia","slug":"russia","file":"Russia.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"russia-residence","sceneId":"residence","title":"Russian Ambassador’s Residence","address":"1125 16th Street NW, Washington, DC","summary":"Nathan C. Wyeth’s former Pullman House has a three-bay facade, a steep slate mansard and a lower wing beside the garden. Russia acquired it in 1913.","modeled":true,"facts":[{"label":"Constructed","value":1911,"display":"1911","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0165/data/dc0165data.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-23","note":"The HABS architectural record supplies the construction span. CAMA records 1890, which conflicts with the building history and is not adopted.","basis":"","status":"verified","fieldId":"constructed"},{"label":"Acquired by Russia","value":1913,"display":"1913","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0165/data/dc0165data.pdf"],"verifiedOn":"2026-10-23","note":"The HABS record states the house was sold to Russia in 1913.","basis":"","status":"verified","fieldId":"acquired"},{"label":"Neighborhood","value":"Downtown","display":"Downtown","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0165/data/dc0165data.pdf"],"verifiedOn":"2026-10-24","note":"","basis":"1125 16th Street NW is the Pullman House in the downtown portion of the Sixteenth Street Historic District, south of Scott Circle. Geographic neighborhood name.","status":"verified","fieldId":"neighborhood","checkedOn":"2026-10-24"},{"label":"Architect","value":"Nathan C. Wyeth","display":"Nathan C. Wyeth","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0165/data/dc0165data.pdf"],"verifiedOn":"2026-10-23","note":"HABS credits Wyeth. It also records remodeling by Eugene Schoen in 1933 and enlargement of the chancery wing in 1977.","basis":"","status":"verified","fieldId":"architect"},{"label":"Rooms","value":null,"display":"35–75 est.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-23","note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 31,774 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","status":"estimated","fieldId":"rooms","checkedOn":"2026-10-26"},{"label":"Floor area","value":31774,"display":"31,800 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"DC CAMA gross building area, parcel 0197/0841","status":"verified","fieldId":"floor_area","checkedOn":"2026-10-24"},{"label":"Site area","value":16290,"display":"16,300 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"Parcel total: 0197/0841. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","status":"verified","fieldId":"site_area","checkedOn":"2026-10-24"},{"label":"2026 Value","value":22976870,"display":"$23.0M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24","note":"","basis":"Parcel total: 0197/0841. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","status":"verified","year":2026,"fieldId":"assessment_2026","checkedOn":"2026-10-24"}],"notes":["HABS DC-269 identifies the property as Pullman House, 1119–1125 Sixteenth Street NW. The public residence address is 1125; DC’s current assessment record uses 1119.","Metrics cover parcel 0197/0841 only. The separate Russian-owned parcel at 1115 16th Street is not added.","The Golden Salon and Dining Room studies follow photographs published in 2004; they do not establish the current arrangement."],"sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0165/data/dc0165data.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/23/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CCY1YEAR%2CCY2YEAR%2CNBHDNAME%2CEXTRACTDAT&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/query?where=SSL+LIKE+%271300%250564%27+OR+SSL+LIKE+%270197%250841%27&outFields=SSL%2CPREMISEADD%2CLANDAREA%2CSTATEDAREA%2CCALCULATEDAREA&returnGeometry=true&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.90459,"lon":-77.03608,"floorSqft":31774,"siteSqft":16290,"assessment2026":22976870,"constructedYear":1911,"acquiredYear":1913,"occupiedYear":1913,"constructedDisplay":"1911","acquiredDisplay":"1913","occupiedDisplay":"1913","coordinateBasis":"Marker within DC parcel 0197/0841, centered on the historic main house.","floorBasis":"DC CAMA gross building area, parcel 0197/0841","metricNote":"Pullman House and its attached wing on parcel 0197/0841; adjacent 1115 16th Street is excluded.","metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0197/0841. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0197/0841. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area, parcel 0197/0841","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 31,774 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"parcelIds":["0197    0841"],"assessmentJurisdiction":"District of Columbia","neighborhood":"Downtown","neighborhoodBasis":"1125 16th Street NW is the Pullman House in the downtown portion of the Sixteenth Street Historic District, south of Scott Circle. Geographic neighborhood name.","rooms":null,"roomsDisplay":"35–75","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 31,774 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"35–75 est.","range":[35,75],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 31,774 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":31774,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"35–75 est.","range":[35,75],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 31,774 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":31774,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0841%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"residence","country":"Russia","slug":"russia","file":"Russia.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"indonesia-chancery","sceneId":"chancery","title":"Embassy of the Republic of Indonesia","address":"2020 Massachusetts Avenue NW, Washington, D.C. 20036","summary":"The Walsh–McLean House and its modern P Street wing are joined by a curved glazed passage beside the oval conservatory. During renovation, embassy offices temporarily moved to 1120 20th Street NW on 2 June 2026; mail remains addressed here.","modeled":true,"facts":[{"label":"Constructed","value":1903,"display":"1903","status":"documented","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf"],"basis":"Historic mansion: construction range.","note":"HABS records the 1901 excavation permit and occupation in 1903. The commercial assessor’s AYB 1900 and EYB 1987 do not replace this chronology. The modern wing dates to 1982.","verifiedOn":"2026-10-23"},{"label":"Acquired by Indonesia","value":1951,"display":"19 December 1951","status":"documented","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf"],"basis":"Deed date; separate from first chancery use.","note":"Recorded 2 January 1952. Historical purchase price: $335,000. Current assessment is listed separately.","verifiedOn":"2026-10-23"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"documented","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/56/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"basis":"Historic neighborhood; assessment geography differs.","note":"DC tax records label the assessment neighborhood Central.","verifiedOn":"2026-10-23"},{"label":"Architect","value":"Henry Andersen","display":"Henry Andersen","status":"documented","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf","https://seasia.co/2019/08/20/indonesian-embassy-building-in-washington-dc-and-the-curse-of-hope-diamond"],"basis":"Mansion architect.","note":"The modern wing was designed by The Architects Collaborative.","verifiedOn":"2026-10-23"},{"label":"Rooms","value":null,"display":"More than 50 (historic)","status":"documented","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf"],"basis":"Historic mansion count; no current campus-wide room inventory.","note":"The present total for both buildings remains unverified.","verifiedOn":"2026-10-23"},{"label":"Floor area","value":48813,"display":"48,800 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"DC commercial CAMA LIVING_GBA, building 1, section 1; square feet; no per-wing allocation published.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Site area","value":25994,"display":"26,000 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 0095/0045. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"2026 Value","value":29437190,"display":"$29.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 0095/0045. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"}],"notes":["The mansion’s diplomatic occupation begins in the 1952 directory chronology. Its December 1951 purchase is a separate event.","The modern 1982 wing and its curved glazed link form part of the same chancery campus. The oval blue-roofed conservatory is attached to the mansion; the narrow passage immediately south of it connects the two buildings. The west carriage porch is a separate feature.","The Embassy’s current consular notice announces temporary operation at Lafayette Center, Building 1, North Entrance, 10th floor, 1120 20th Street NW, from 2 June 2026. It retains 2020 Massachusetts Avenue as the mailing address. The leased floor provides temporary offices and is excluded from the owned-property database.","The display ground follows a compact irregular crop around the campus. DC parcel records include the estate’s P Street extension. The drawing shows a cropped portion of the surroundings.","Saraswati was made in 2013 and ceremonially unveiled on 25 September 2014. The Cabinet Secretariat credits I Nyoman Sudarwa and records 6.35 m total height. The four-armed figure, swan, lotus and three reading children follow the supplied photographs."],"sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0100/dc0152/data/dc0152data.pdf","https://www.loc.gov/item/dc0152/","https://seasia.co/2019/08/20/indonesian-embassy-building-in-washington-dc-and-the-curse-of-hope-diamond","https://consular.embassyofindonesia.org/page/informasiumum.html","https://setkab.go.id/en/arrived-in-washington-dc-president-sby-unveiled-statue-of-goddess-saraswati/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/56/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/0/query?where=SSL%3D%270095++++0045%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.91024687218073,"lon":-77.04627423158622,"floorSqft":48813,"siteSqft":25994,"assessment2026":29437190,"constructedYear":1903,"acquiredYear":1951,"occupiedYear":1952,"cameraLocations":[{"id":"walsh-mclean-house","label":"Walsh–McLean House","description":"The historic mansion, formal entrance and carriage porch.","secondary":false},{"id":"modern-wing","label":"Modern wing","description":"The P Street building and lower curved extension.","secondary":false},{"id":"connecting-passage","label":"Connecting passage","description":"The narrow curved passage beside the conservatory.","secondary":true},{"id":"saraswati","label":"Saraswati statue","description":"Saraswati, the swan and three children reading.","secondary":true}],"overviewTitle":"The chancery campus","overviewLabel":"Whole chancery","compoundDescription":"The historic mansion, modern wing and connecting passage share the courtyard. Saraswati stands in the Massachusetts Avenue garden. Select a building or feature to take a closer look.","historicName":"Walsh–McLean House","neighborhood":"Dupont Circle","parcelId":"0095    0045","acquiredDate":"1951-12-19","occupiedDate":null,"occupancyBasis":"HABS directory chronology first records Indonesian Embassy chancery use in 1952; the deed was signed on 19 December 1951 and recorded on 2 January 1952.","floorBasis":"DC commercial CAMA LIVING_GBA, building 1, section 1; square feet; no per-wing allocation published.","metricScope":"One assessed estate, SSL 0095/0045, containing the historic mansion and modern wing. The single CAMA commercial area record is retained without allocating it to either wing.","metricNote":"The recorded commercial area is 48,813 sq ft. Its distribution across the mansion, annex and connector is not separately documented. Land and assessment are counted once for the parcel.","operationalStatus":"Temporary relocation during renovation","temporaryOffices":{"address":"1120 20th Street NW, Washington, DC 20037","building":"Lafayette Center, Building 1, North Entrance, 10th floor","from":"2026-06-02","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"]},"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0095/0045. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0095/0045. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC commercial CAMA LIVING_GBA, building 1, section 1; square feet; no per-wing allocation published.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270095++++0045%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["0095    0045"],"assessmentJurisdiction":"District of Columbia","constructedDisplay":"1903","occupiedDisplay":"1952","propertyId":"chancery","country":"Indonesia","slug":"indonesia","file":"Indonesia.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"indonesia-residence","sceneId":"residence","kind":"residence","title":"Indonesian Ambassador’s Residence","historicName":"L. L. Moses Estate, Wisma Indonesia","address":"2700 Tilden Street NW, Washington, DC 20008","summary":"Wisma Indonesia occupies the former L. L. Moses Estate in Forest Hills. The DC heritage guide dates the house to 1924 and Indonesian acquisition to 1950. Its wooded grounds host diplomatic receptions and community celebrations.","modeled":true,"lat":38.94002910985116,"lon":-77.0563075016924,"neighborhood":"Forest Hills","constructedYear":1924,"acquiredYear":1950,"occupiedYear":1950,"floorSqft":17243,"siteSqft":339658,"assessment2026":19852470,"parcelId":"2232    0818","floorBasis":"DC residential CAMA GBA, square feet; single residential building record.","metricScope":"Separate nonoverlapping residence estate, SSL 2232/0818; not included in chancery values.","facts":[{"label":"Constructed","value":1924,"display":"1924","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/0/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"basis":"DC Historic Preservation Office, Ward 3 Heritage Guide, p.45.","note":"The address repository records a 21 February 1924 building permit. Residential CAMA AYB is 1925; EYB 2008 is an appraisal improvement-age field, not original construction.","verifiedOn":"2026-10-23"},{"label":"Acquired by Indonesia","value":1950,"display":"1950","status":"documented","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf"],"basis":"Ward 3 Heritage Guide, p.53, acquisition for diplomatic use.","note":"No exact deed or move-in day was established. This precedes the 1951 mansion purchase.","verifiedOn":"2026-10-23"},{"label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"documented","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/56/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"basis":"DC assessment neighborhood.","note":"","verifiedOn":"2026-10-23"},{"label":"Architect","value":null,"display":"Not Verified","status":"unverified","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json"],"basis":"No architect established in the reviewed official heritage and assessment records.","note":"","verifiedOn":"2026-10-23"},{"label":"Rooms","value":20,"display":"20","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Floor area","value":17243,"display":"17,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"DC residential CAMA GBA, square feet; single residential building record.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Site area","value":339658,"display":"339,700 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2232/0818. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"2026 Value","value":19852470,"display":"$19.9M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2232/0818. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"id":"occupied","label":"Diplomatic use","value":1950,"display":"1950","status":"verified","sourceUrls":["https://archive.org/download/diplomaticlist1950wash_8/diplomaticlist1950wash_8_djvu.txt","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"basis":"The State Department Diplomatic List for October 1950, p. 85, lists Ambassador Ali Sastroamidjojo and his family at 2700 Tilden Street. This documents actual diplomatic residential use in the acquisition year and does not infer occupancy solely from ownership.","note":"","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The property’s identity is established by the official 2026 embassy Independence Day report, an address-specific July 2026 reception report, and DC ownership records naming the Embassy of the Republic of Indonesia.","The Office of Planning identifies the estate and its 1950 diplomatic acquisition. The exact architect, deed date and first occupation day remain unresolved.","The model follows the supplied aerial views and exterior photographs: the stone and timber house, reception wing, courtyard portico, dormers and rear terrace. Dimensions and the compact landscape crop are estimates; the crop is not the surveyed estate boundary."],"sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/page_content/attachments/Ward%203%20Heritage%20Guide.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/56/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location_WebMercator/MapServer/0/query?where=SSL%3D%272232++++0818%27&outFields=%2A&returnGeometry=true&outSR=4326&f=json","https://kemlu.go.id/en/washington/berita/solemn-ceremony-cultural-performances-and-classic-independence-games-mark-indonesias-81st-independence-day-celebration-in-washington-dc?type=publication","https://www.sakinahfinance.com/indonesian-ambassador-to-the-united-states-hosts-ifesdc-2026-delegates-and-endorses-the-inauguration-of-iaei-usa-regional-board/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://archive.org/download/diplomaticlist1950wash_8/diplomaticlist1950wash_8_djvu.txt","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2232/0818. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2232/0818. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC residential CAMA GBA, square feet; single residential building record.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272232++++0818%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"parcelIds":["2232    0818"],"assessmentJurisdiction":"District of Columbia","rooms":20,"constructedDisplay":"1924","occupiedDisplay":"1950","propertyId":"residence","country":"Indonesia","slug":"indonesia","file":"Indonesia.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"turkey-chancery","sceneId":"chancery","title":"Embassy of the Republic of Türkiye","address":"2525 Massachusetts Avenue NW, Washington, DC 20008","summary":"Shalom Baranes Associates arranged two brick-and-stone wings around a terraced court. The taller western pavilion, broad slate roofs and glazed links give the chancery its distinctive outline. President Süleyman Demirel inaugurated it on 23 April 1999.","modeled":true,"facts":[{"label":"Constructed","value":1999,"display":"1999","status":"verified","sourceUrls":["https://washington-emb.mfa.gov.tr/Mission/MissionChiefHistory"],"note":"The embassy records commissioning in 1997, completion in 1999 and inauguration on 23 April 1999. The catalogue year is the completion year.","basis":"","checkedOn":"2026-10-23"},{"label":"Acquired by Türkiye","value":null,"display":"Not Verified","status":"unverified","sourceUrls":["https://washington-emb.mfa.gov.tr/Mission/MissionChiefHistory","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272505++++0056%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"note":"Current Republic of Turkey ownership is verified. The exact site acquisition date was not established; construction and inauguration dates do not establish purchase.","basis":"","checkedOn":"2026-10-23"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272505++++0056%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"note":"Common geographic neighborhood; DC assessment neighborhood field NBHDNAME is Kalorama.","basis":"","checkedOn":"2026-10-23"},{"label":"Architect","value":"Shalom Baranes Associates","display":"Shalom Baranes Associates","status":"verified","sourceUrls":["https://dcarchcenter.org/page/2000-2010-chapter-design-awards-winners"],"note":"","basis":"","checkedOn":"2026-10-23"},{"label":"Rooms","value":null,"display":"20–55 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 20,580 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","checkedOn":"2026-10-26"},{"label":"Floor area","value":20579.74998449997,"display":"20,600 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"note":"","basis":"Estimated above-grade floor area from the current calibrated exterior model: three floorplates in each of three blocks (16.4×23.1 m,12.6×12.9 m and 15.6×29 m) plus one 12.4×13 m glazed connector floor. Multiply the sum by 0.78² for the model’s cadastral-frontage calibration, then convert square metres to square feet. Below-grade ceremonial and office space is excluded because its floorplates are not known. Open courtyards, terraces, canopies, roof slopes and landscape plinths are excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24","estimate":{"method":"calibrated-model-floorplates","rawSqft":20579.74998449997,"unscaledComponentsSqm":{"three_west_block_floors":1136.52,"three_tower_floors":487.62,"three_east_block_floors":1357.1999999999998,"one_glazed_connector_floor":161.20000000000002},"uniformLinearCalibration":0.78,"areaCalibration":0.6084,"formula":"(16.4*23.1*3 + 12.6*12.9*3 + 15.6*29*3 + 12.4*13) * 0.78² / 0.3048²","modelFile":"scenes/turkey/scene.js","modelSha256":"f613da924bcf04c2bdc2c50beb01806975d1a6cc73929ac9fc1126efd537bccf","exclusions":["Below-grade ceremonial and office areas whose floorplates are not documented","Open court, terraces, steps and canopy roofs","Roof slopes, plinths and rear service deck"],"scope":"Estimated above-grade floor area only","displaySqft":20600,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"]}},{"label":"Site area","value":18750,"display":"18,800 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272505++++0056%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2505/0056. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":40013005,"display":"$40.0M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272505++++0056%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2505/0056. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The current chancery is distinct from the ambassador’s residence at 1606 23rd Street NW.","Estimated above-grade floor area from the current calibrated exterior model: three floorplates in each of three blocks (16.4×23.1 m,12.6×12.9 m and 15.6×29 m) plus one 12.4×13 m glazed connector floor. Multiply the sum by 0.78² for the model’s cadastral-frontage calibration, then convert square metres to square feet. Below-grade ceremonial and office space is excluded because its floorplates are not known. Open courtyards, terraces, canopies, roof slopes and landscape plinths are excluded.","One interior study depicts the modern vaulted event hall in the supplied photographs; its dimensions and event seating are approximate."],"sourceUrls":["https://washington-emb.mfa.gov.tr/Mission/MissionChiefHistory","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272505++++0056%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://dcarchcenter.org/page/2000-2010-chapter-design-awards-winners","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272505++++0056%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272505++++0056%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"lat":38.91653333516274,"lon":-77.05589843719939,"coordinateBasis":"Center of the matched DC parcel polygon in WGS84.","neighborhood":"Sheridan-Kalorama","floorSqft":20579.74998449997,"siteSqft":18750,"assessment2026":40013005,"constructedYear":1999,"constructionYear":1999,"acquiredYear":null,"occupiedYear":1999,"owner":"REPUBLIC OF TURKEY","parcelIds":["2505    0056"],"parcelScope":"Single separately assessed property; no component overlap with the other Turkish records.","floorBasis":"Estimated above-grade floor area from the current calibrated exterior model: three floorplates in each of three blocks (16.4×23.1 m,12.6×12.9 m and 15.6×29 m) plus one 12.4×13 m glazed connector floor. Multiply the sum by 0.78² for the model’s cadastral-frontage calibration, then convert square metres to square feet. Below-grade ceremonial and office space is excluded because its floorplates are not known. Open courtyards, terraces, canopies, roof slopes and landscape plinths are excluded.","firstDiplomaticUseYear":1999,"constructedDisplay":"1999","acquiredDisplay":"Not verified","metricNote":"DC 2026 assessment; site area refers to the stated parcel.","overviewLabel":"Whole chancery","overviewTitle":"Chancery and courtyard","compoundDescription":"The two office wings and glazed links frame a stepped Atatürk courtyard. Select a building or feature to take a closer look.","cameraLocations":[{"id":"west-wing","label":"West wing","description":"A taller entrance pavilion anchors the western office wing beneath wide, bracketed eaves."},{"id":"east-wing","label":"East wing","description":"The eastern pavilion has a four-window upper front and a long office range extending behind it."},{"id":"courtyard","label":"Atatürk courtyard","description":"Glazed links meet a terraced garden with a standing Atatürk figure and paired evergreens."}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"estimated","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2505/0056. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272505++++0056%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2505/0056. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272505++++0056%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"estimated","basis":"Estimated above-grade floor area from the current calibrated exterior model: three floorplates in each of three blocks (16.4×23.1 m,12.6×12.9 m and 15.6×29 m) plus one 12.4×13 m glazed connector floor. Multiply the sum by 0.78² for the model’s cadastral-frontage calibration, then convert square metres to square feet. Below-grade ceremonial and office space is excluded because its floorplates are not known. Open courtyards, terraces, canopies, roof slopes and landscape plinths are excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 20,580 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","metricScopes":{"floorSqft":"Above grade"},"metricEstimates":{"floorSqft":{"method":"calibrated-model-floorplates","rawSqft":20579.74998449997,"unscaledComponentsSqm":{"three_west_block_floors":1136.52,"three_tower_floors":487.62,"three_east_block_floors":1357.1999999999998,"one_glazed_connector_floor":161.20000000000002},"uniformLinearCalibration":0.78,"areaCalibration":0.6084,"formula":"(16.4*23.1*3 + 12.6*12.9*3 + 15.6*29*3 + 12.4*13) * 0.78² / 0.3048²","modelFile":"scenes/turkey/scene.js","modelSha256":"f613da924bcf04c2bdc2c50beb01806975d1a6cc73929ac9fc1126efd537bccf","exclusions":["Below-grade ceremonial and office areas whose floorplates are not documented","Open court, terraces, steps and canopy roofs","Roof slopes, plinths and rear service deck"],"scope":"Estimated above-grade floor area only","displaySqft":20600,"preparedOn":"2026-10-24","status":"estimated","confidence":"low","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"]},"rooms":{"display":"20–55 est.","range":[20,55],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 20,580 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":20579.74998449997,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"preparedOn":"2026-10-27"}},"occupiedDisplay":"1999","rooms":null,"roomsDisplay":"20–55","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 20,580 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","roomEstimate":{"display":"20–55 est.","range":[20,55],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 20,580 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":20579.74998449997,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272505++++0056%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/turkey/scene.js"],"preparedOn":"2026-10-27"},"propertyId":"chancery","country":"Türkiye","slug":"turkey","file":"Turkey.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"turkey-residence","sceneId":"residence","title":"Turkish Ambassador’s Residence","address":"1606 23rd Street NW, Washington, DC 20008","summary":"Edward H. Everett’s limestone mansion faces 23rd Street with a curved Corinthian portico. Türkiye leased the house in 1932 and bought it in 1936. It housed the chancery until 1999 and continues as the ambassador’s residence.","modeled":true,"facts":[{"label":"Constructed","value":1915,"display":"1915","status":"verified","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0099/data/dc0099data.pdf"],"note":"HABS records construction from August 1910 to June 1915; the inspector described it as 99 percent complete on 4 June 1915. CAMA lists 1911 as the original year; the historical construction record gives a later completion.","basis":"HABS DC-258, history section.","checkedOn":"2026-10-23"},{"label":"Acquired by Türkiye","value":1936,"display":"1936","status":"verified","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0099/data/dc0099data.pdf"],"note":"Leased in autumn 1932. Purchase deed dated 13 April 1936, recorded 1 May 1936, Liber 6988, folio 59. The acquisition year denotes purchase; first diplomatic use denotes the lease.","basis":"HABS documentary chain of ownership.","checkedOn":"2026-10-23"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272507++++0051%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"note":"Common geographic neighborhood; DC assessment neighborhood field NBHDNAME is Kalorama.","basis":"","checkedOn":"2026-10-23"},{"label":"Architect","value":"George Oakley Totten Jr.","display":"George Oakley Totten Jr.","status":"verified","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0099/data/dc0099data.pdf"],"note":"","basis":"","checkedOn":"2026-10-23"},{"label":"Rooms","value":null,"display":"30–65 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 25,876 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":25876,"display":"25,900 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC CAMA living gross building area","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":12700,"display":"12,700 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2507/0051. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":16293430,"display":"$16.3M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 2507/0051. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The 1932 lease, 1936 purchase and 1999 chancery move are separate events. The property remains identified as the ambassador’s residence in the MFA-hosted Everett House history.","DC record-lot stated area is 12,700 sq ft; its calculated polygon area is 12,699 sq ft. The standard site field uses the stated assessment area.","Seven interior studies document photographed settings. They do not establish a total room count or a connected interior floor plan."],"sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0099/data/dc0099data.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%272507++++0051%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%272507++++0051%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/35/query?where=SSL%3D%272507++++0051%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://www.mfa.gov.tr/data/Kutuphane/Yayinlar/vasington.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"lat":38.91151802205124,"lon":-77.05096765351946,"coordinateBasis":"Center of the matched DC parcel polygon in WGS84.","neighborhood":"Sheridan-Kalorama","floorSqft":25876,"siteSqft":12700,"assessment2026":16293430,"constructedYear":1915,"constructionYear":1915,"acquiredYear":1936,"occupiedYear":1932,"owner":"REPUBLIC OF TURKEY","parcelIds":["2507    0051"],"parcelScope":"Single separately assessed property; no component overlap with the other Turkish records.","floorBasis":"DC CAMA living gross building area","firstDiplomaticUseYear":1932,"constructedDisplay":"1915","acquiredDisplay":"1936","metricNote":"DC 2026 assessment; site area refers to the stated parcel.","overviewLabel":"Whole estate","overviewTitle":"Everett House","compoundDescription":"Explore the limestone house, the semicircular entrance drive, the south conservatory and pergola, and the Atatürk memorial beside Sheridan Circle.","cameraLocations":[{"id":"everett-house","label":"Everett House","description":"The main limestone block combines a curved four-column portico, balustraded roofline and stepped rear wings.","secondary":true},{"id":"pergola-wing","label":"Pergola wing","description":"A lower wing ends in a rounded bay beneath an open roof pergola.","secondary":false},{"id":"ataturk-memorial","label":"Atatürk memorial","description":"The standing bronze figure holds a book and raises its right hand within the corner stone-balustrade recess, facing the Sheridan-side sidewalk.","secondary":false}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2507/0051. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2507/0051. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 25,876 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","occupiedDisplay":"1932","rooms":null,"roomsDisplay":"30–65","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 25,876 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"30–65 est.","range":[30,65],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 25,876 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":25876,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"30–65 est.","range":[30,65],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 25,876 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":25876,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0051%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"residence","country":"Türkiye","slug":"turkey","file":"Turkey.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"germany-chancery","sceneId":"chancery","title":"Embassy of the Federal Republic of Germany","kind":"chancery","address":"4645 Reservoir Road NW, Washington, DC 20007","summary":"Egon Eiermann’s chancery steps down the wooded slope above Reservoir Road. Slender steel frames, continuous balconies and timber-framed windows give the long office building its open, horizontal character. Completed in 1964, it shares the grounds with an earlier house and later diplomatic buildings.","modeled":true,"neighborhood":"Berkley","constructedYear":1964,"constructionYear":1964,"acquiredYear":1954,"occupiedYear":1964,"floorSqft":100771,"siteSqft":172304,"assessment2026":22017820,"parcelIds":["1370    0014"],"owner":"EMBASSY FED REPUBLIC GERMANY","parcelScope":"One nonoverlapping assessment parcel, including the main chancery and ancillary buildings.","firstDiplomaticUse":1964,"lat":38.914522540102766,"lon":-77.08887061830535,"coordinateBasis":"Approximate building center within the DC footprint, in WGS84. The compound marker locates the estate.","facts":[{"label":"Constructed","value":1964,"display":"1964","status":"verified","sourceUrls":["https://eiermann.saai.kit.edu/browse/EE_152_Washington_DC_Kanzlei_Deutsche_Botschaft","https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/kanzlei/projektinformation.html"],"note":"Completion of the main chancery. The earlier house on the plateau dates from about 1930; construction periods are not combined into one building age.","basis":"","checkedOn":"2026-10-23"},{"label":"Acquired by Germany","value":1954,"display":"1954","status":"verified","sourceUrls":["https://eiermann.saai.kit.edu/browse/EE_152_Washington_DC_Kanzlei_Deutsche_Botschaft"],"note":"The Eiermann archive documents purchase of the original sloping plot and existing colonial house in 1954. This date is not automatically assigned to the adjacent residence parcel.","basis":"","checkedOn":"2026-10-23"},{"label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"","basis":"","checkedOn":"2026-10-23"},{"label":"Architect","value":"Egon Eiermann","display":"Egon Eiermann","status":"verified","sourceUrls":["https://eiermann.saai.kit.edu/browse/EE_152_Washington_DC_Kanzlei_Deutsche_Botschaft","https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/kanzlei/projektinformation.html"],"note":"The original chancery is by Eiermann. HPP led the later refurbishment; other campus buildings have their own design histories.","basis":"","checkedOn":"2026-10-23"},{"label":"Rooms","value":null,"display":"110–265 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 100,771 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"label":"Floor area","value":100771,"display":"100,800 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"note":"","basis":"Sum of the two distinct commercial CAMA building records on chancery estate SSL 1370/0014: 85,176 + 15,595 sq ft. The record is explicitly estate building area; it does not claim the main chancery alone measures this amount. Uses the assessor's recorded LIVING_GBA measure without adding an unreported basement.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":172304,"display":"172,300 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0014%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1370/0014. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":22017820,"display":"$22.0M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0014%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1370/0014. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The 1954 plot purchase and 1964 chancery occupation are separate events.","The 1930s house, Eiermann duplex and entry structures appear as selectable members in the Full Compound study.","The west parking lot is drawn from the 2019 aerial. The 2025 aerial shows renovation work, described in ANC 3D minutes; projected completion is not treated as proof of its finished appearance."],"sourceUrls":["https://eiermann.saai.kit.edu/browse/EE_152_Washington_DC_Kanzlei_Deutsche_Botschaft","https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/kanzlei/projektinformation.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/TY_2026_Appraiser_Reference_Materials.pdf","https://www029.zimt.uni-siegen.de/images/Projekte_NAX/USA/HPP_USA/208096_BD_Deutsche_Botschaft_Washington.pdf","https://oanc.dc.gov/sites/default/files/2025-01/3D%20October%202024%20Meeting%20Minutes.pdf","https://oanc.dc.gov/sites/default/files/2026-01/ANC3D%20Meeting%20Minutes%202025.07.02.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0014%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1370/0014. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0014%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1370/0014. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0014%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Sum of the two distinct commercial CAMA building records on chancery estate SSL 1370/0014: 85,176 + 15,595 sq ft. The record is explicitly estate building area; it does not claim the main chancery alone measures this amount. Uses the assessor's recorded LIVING_GBA measure without adding an unreported basement.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 100,771 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","metricScopes":{"floorSqft":"Chancery estate"},"floorBasis":"Sum of the two distinct commercial CAMA building records on chancery estate SSL 1370/0014: 85,176 + 15,595 sq ft. The record is explicitly estate building area; it does not claim the main chancery alone measures this amount. Uses the assessor's recorded LIVING_GBA measure without adding an unreported basement.","constructedDisplay":"1964","occupiedDisplay":"1964","rooms":null,"roomsDisplay":"110–265","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 100,771 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"110–265 est.","range":[110,265],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 100,771 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":100771,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"110–265 est.","range":[110,265],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 100,771 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":100771,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271370++++0014%27&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Germany","slug":"germany","file":"Germany.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"germany-residence","sceneId":"residence","title":"German Ambassador’s Residence","kind":"residence","address":"1800 Foxhall Road NW, Washington, DC 20007","summary":"Oswald Mathias Ungers designed the residence around a repeated square grid. Its pale stone walls, copper roofs and glazed garden colonnade overlook four landscaped terraces and a reflecting pool. Completed in 1994, the house stands on the eastern part of the embassy grounds.","modeled":true,"neighborhood":"Berkley","constructedYear":1994,"constructionYear":1994,"acquiredYear":null,"occupiedYear":1994,"floorSqft":21210,"siteSqft":226479,"assessment2026":24706850,"parcelIds":["1370    0016"],"owner":"EMBASSY FED REPUBLIC GERMANY","parcelScope":"One nonoverlapping residence assessment parcel, including the house, service building and grounds.","firstDiplomaticUse":1994,"lat":38.914216484085465,"lon":-77.08732052906494,"coordinateBasis":"Approximate building center within the DC footprint, in WGS84. The compound marker locates the estate.","facts":[{"label":"Constructed","value":1994,"display":"1994","status":"verified","sourceUrls":["https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/residenz/projektinformation.html","https://www.germany.info/resource/blob/900010/0dd274d33ca7d060a0caaaa4e38c1bbf/residence-brochure-pdf-data.pdf","https://www.museum-der-1000-orte.de/kunstwerke/kunstwerk/parsifal"],"note":"Residence completed in 1994; official project history gives 1992–1994 and September 1994 handover.","basis":"","checkedOn":"2026-10-23"},{"label":"Acquired by Germany","value":null,"display":"Not Verified","status":"unverified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.germany.info/resource/blob/900010/0dd274d33ca7d060a0caaaa4e38c1bbf/residence-brochure-pdf-data.pdf","https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/residenz/projektinformation.html"],"note":"Current German ownership is established. A documented acquisition date for this separate parcel was not located. The original chancery plot’s 1954 acquisition is not substituted.","basis":"","checkedOn":"2026-10-23"},{"label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"","basis":"","checkedOn":"2026-10-23"},{"label":"Architect","value":"Oswald Mathias Ungers","display":"Oswald Mathias Ungers","status":"verified","sourceUrls":["https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/residenz/projektinformation.html","https://www.germany.info/resource/blob/900010/0dd274d33ca7d060a0caaaa4e38c1bbf/residence-brochure-pdf-data.pdf"],"note":"","basis":"","checkedOn":"2026-10-23"},{"label":"Rooms","value":39,"display":"39","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Current DC residential CAMA ROOMS for the identified dwelling; this assessor count is distinct from bedrooms, bathrooms or the number of modeled room studies.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Floor area","value":21210,"display":"21,200 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271370++++0016%27&outFields=*&returnGeometry=false&f=pjson"],"note":"","basis":"DC residential CAMA GBA for the residence building, SSL 1370/0016. It is the assessor's recorded building-area measure. The larger 3,362 m² renovation scope is not substituted or summed because it can include service or project spaces beyond this residential record.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"Site area","value":226479,"display":"226,500 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1370/0016. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"label":"2026 Value","value":24706850,"display":"$24.7M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 1370/0016. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"}],"notes":["The illustrated rooms follow photographs published in the German Information Center USA brochure, first edition February 2013; their capture dates are not established.","The residence and its service building belong to the same estate. Their ground plans are distinct from the 1930s house on the original chancery parcel."],"sourceUrls":["https://www.germany.info/resource/blob/900010/0dd274d33ca7d060a0caaaa4e38c1bbf/residence-brochure-pdf-data.pdf","https://www.bbr.bund.de/BBR/DE/Bauprojekte/nordamerika/politik-und-verwaltung/deutsche-botschaft-washington/residenz/projektinformation.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/TY_2026_Appraiser_Reference_Materials.pdf","https://ted.europa.eu/en/notice/-/detail/420592-2021","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271370++++0016%27&outFields=*&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 1370/0016. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 1370/0016. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%271370++++0016%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC residential CAMA GBA for the residence building, SSL 1370/0016. It is the assessor's recorded building-area measure. The larger 3,362 m² renovation scope is not substituted or summed because it can include service or project spaces beyond this residential record.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271370++++0016%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"assessmentJurisdiction":"District of Columbia","floorBasis":"DC residential CAMA GBA for the residence building, SSL 1370/0016. It is the assessor's recorded building-area measure. The larger 3,362 m² renovation scope is not substituted or summed because it can include service or project spaces beyond this residential record.","rooms":39,"constructedDisplay":"1994","occupiedDisplay":"1994","propertyId":"residence","country":"Germany","slug":"germany","file":"Germany.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"saudi-arabia-chancery","kind":"chancery","sceneId":"chancery","title":"Embassy of the Kingdom of Saudi Arabia","address":"601 New Hampshire Avenue NW, Washington, DC 20037","summary":"Completed in 1959 for Peoples Life Insurance, the marble-clad Foggy Bottom building was acquired by Saudi Arabia in 1983. A taller central block joins its long office wings, with monumental entrances facing west and east. The embassy is documented here by February 1985.","modeled":true,"facts":[{"id":"constructed","label":"Constructed","value":1959,"display":"1959","status":"verified","sourceUrls":["https://www.cfa.gov/system/files/meeting-materials/5-SL%2026-100-Saudi%20Embassy-pres-sm.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%270019++++0823%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"note":"Completed for Peoples Life Insurance Company. DC CAMA lists 1959 as the original year and 1980 as the effective age after improvements.","basis":"","checkedOn":"2026-10-23"},{"id":"acquired","label":"Acquired by Saudi Arabia","value":1983,"display":"1983","status":"verified","sourceUrls":["https://www.foggybottomassociation.org/post/funkstown-big-changes-at-the-kennedy-center-the-saudi-embassy-and-watergate","https://www.washingtonpost.com/archive/business/1983/03/23/saudis-agree-to-buy-peoples-life-building/7022b6b0-653c-4f3c-8a38-3d9b77d2d5e6/"],"note":"Purchase year; the exact closing date remains unresolved. Embassy use is independently documented by February 1985.","basis":"","checkedOn":"2026-10-23"},{"id":"neighborhood","label":"Neighborhood","value":"Foggy Bottom","display":"Foggy Bottom","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=PREMISEADD+LIKE+%27601+NEW+HAMPSHIRE%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%270019++++0823%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson"],"note":"","basis":"","checkedOn":"2026-10-23"},{"id":"architect","label":"Architect","value":"Mills, Petticord & Mills","display":"Mills, Petticord & Mills","status":"verified","sourceUrls":["https://www.cfa.gov/system/files/meeting-materials/5-SL%2026-100-Saudi%20Embassy-pres-sm.pdf"],"note":"Architect of the original building. HOK designed the 2026 alteration proposal.","basis":"","checkedOn":"2026-10-23"},{"id":"rooms","label":"Rooms","value":null,"display":"95–230 est.","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 86,824 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","checkedOn":"2026-10-26"},{"id":"floorArea","label":"Floor area","value":86824,"display":"86,800 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"DC CAMA living gross building area, building 1 section 1","checkedOn":"2026-10-24","unit":"sq ft","rawField":"LIVING_GBA","scope":"Building 1, section 1, parcel 0019 0823","verifiedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":55941,"display":"55,900 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 0019/0823. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","checkedOn":"2026-10-24","unit":"sq ft","rawField":"LANDAREA","scope":"Parcel 0019 0823","verifiedOn":"2026-10-24"},{"id":"assessment","label":"2026 Value","value":110445270,"display":"$110.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"note":"","basis":"Parcel total: 0019/0823. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","checkedOn":"2026-10-24","unit":"USD","taxYear":2026,"rawField":"ASSESSMENT","landValue":82850860,"improvementValue":27594410,"scope":"Parcel 0019 0823","verifiedOn":"2026-10-24"}],"lat":38.8978,"lon":-77.0539,"coordinateBasis":"Approximate public embassy map point from the Saudi Ministry of Foreign Affairs.","neighborhood":"Foggy Bottom","constructedYear":1959,"constructionYear":1959,"constructedDisplay":"1959","acquiredYear":1983,"acquiredDisplay":"1983","occupiedYear":1985,"occupiedDisplay":"1985","firstDiplomaticUseYear":1985,"firstDiplomaticUseDisplay":"1985","firstDiplomaticUseNotLaterThan":"1985-02-01","firstDiplomaticUseDateBasis":"Terminus ante quem from an original DOJ FARA filing; exact first day of embassy use unresolved.","floorSqft":86824,"floorBasis":"DC CAMA living gross building area, building 1 section 1","siteSqft":55941,"assessment2026":110445270,"owner":"KINGDOM OF SAUDI ARABIA","parcelIds":["0019    0823"],"parcelScope":"One separately assessed chancery estate. Building wings are parts of this estate, not additional properties.","metricNote":"DC 2026 assessment; floor area is the defined CAMA living gross building area.","sourceUrls":["https://us.saudiembassy.sa/en/Pages/default.aspx","https://www.cfa.gov/system/files/meeting-materials/5-SL%2026-100-Saudi%20Embassy-pres-sm.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%270019++++0823%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=PREMISEADD+LIKE+%27601+NEW+HAMPSHIRE%25%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%270019++++0823%27&outFields=%2A&returnGeometry=true&outSR=4326&f=pjson","https://efile.fara.gov/docs/3301-Exhibit-AB-19850201-D0I0QZ01.pdf","https://www.foggybottomassociation.org/post/funkstown-big-changes-at-the-kennedy-center-the-saudi-embassy-and-watergate","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"notes":["A DOJ FARA filing dated 1 February 1985 identifies the embassy at 601 New Hampshire Avenue NW. Documented occupation by that date; the opening date remains unresolved.","The May 2026 Commission of Fine Arts presentation distinguishes existing conditions from proposed exterior changes. Approval of a concept does not establish completion; the drawing follows existing-condition evidence.","The parcel’s 2026 assessed value is $110,445,270. Earlier and proposed assessment fields, sale prices and annual tax are different measures."],"overviewLabel":"Whole chancery","overviewTitle":"Chancery grounds","compoundDescription":"The marble chancery occupies a sloping block between New Hampshire Avenue, F Street and 25th Street. Two small ancillary buildings stand beside the raised east court. Select a building or feature to take a closer look.","cameraLocations":[{"id":"chancery-main","label":"Chancery","description":"The original 1959 marble office building, with a taller crossing between its long wings.","secondary":false},{"id":"east-court-pavilion","label":"East pavilion","description":"The detached hipped-roof pavilion shown on the existing site plan.","secondary":false},{"id":"gate-lodge","label":"Gate lodge","description":"The small lodge at the southeast vehicular entrance.","secondary":true}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 0019/0823. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 0019/0823. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"DC CAMA living gross building area, building 1 section 1","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 86,824 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","rooms":null,"roomsDisplay":"95–230","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 86,824 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"95–230 est.","range":[95,230],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 86,824 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":86824,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"95–230 est.","range":[95,230],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 86,824 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":86824,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270019++++0823%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Saudi Arabia","slug":"saudi-arabia","file":"Saudi-Arabia.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"saudi-arabia-residence","kind":"residence","sceneId":"residence","title":"Saudi Ambassador’s Residence","address":"644 Chain Bridge Road, McLean, VA 22101","summary":"This wooded McLean estate is documented as the ambassador’s residence by 1988 and remains in Saudi embassy ownership. The main brick house dates to 1978; the estate was acquired in 1983.","modeled":true,"facts":[{"id":"constructed","label":"Constructed","value":1978,"display":"1978","status":"verified","sourceUrls":["https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=resall&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReportPrint.aspx?ParcelID=0321+01++0001A"],"note":"Main residence. County records also identify a 1982 remodeling and a 1995 addition.","basis":"","checkedOn":"2026-10-23"},{"id":"acquired","label":"Acquired by Saudi Arabia","value":1983,"display":"1983","status":"verified","sourceUrls":["https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=sales&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138"],"note":"Purchased 22 March 1983; deed book 05747, page 0097. The sale and first documented diplomatic use are separate events.","basis":"","checkedOn":"2026-10-23","acquiredDate":"1983-03-22"},{"id":"neighborhood","label":"Neighborhood","value":"McLean","display":"McLean","status":"verified","sourceUrls":["https://www.fairfaxcounty.gov/"],"note":"","basis":"Normalize the locality label to match the UAE residence in McLean; the address itself retains Virginia.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unresolved","sourceUrls":["https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=resall&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138"],"note":"No original architect was established from the county record, exact-address searches or residence histories.","basis":"","checkedOn":"2026-10-23"},{"id":"rooms","label":"Rooms","value":null,"display":"35–70 est.","status":"estimated","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 29,022 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","checkedOn":"2026-10-26"},{"id":"floorArea","label":"Floor area","value":29022,"display":"29,000 sq ft","status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County SFLA summed across all three dwelling records on parcel 0321 01 0001 A:17,877+6,057+5,088=29,022 sq ft. This is reported above-grade living floor area. Basements are excluded consistently; the separately advertised 8,513 sq ft main-house basement is not selectively added while other basement areas remain unknown.","checkedOn":"2026-10-24","verifiedOn":"2026-10-24"},{"id":"siteArea","label":"Site area","value":265803,"display":"265,800 sq ft","status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County recorded land square footage (SF), summed once across estate parcels. Current land working-roll TAXYR is 2027; the valuation is separately fixed to 2026. Uses the recorded area in square feet.","checkedOn":"2026-10-24","unit":"sq ft","originalValue":6.102,"originalUnit":"acres","scope":"Parcel 0321 01 0001A","verifiedOn":"2026-10-24"},{"id":"assessment","label":"2026 Value","value":24368200,"display":"$24.4M","status":"verified","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"note":"","basis":"Fairfax County 2026 APRTOT, land plus improvements, summed once across the identified estate parcels. Tax exemption does not imply zero value.","checkedOn":"2026-10-24","taxYear":2026,"jurisdiction":"Fairfax County, Virginia","localAssessment":24368200,"verifiedOn":"2026-10-24"}],"lat":38.93624,"lon":-77.12404,"coordinateBasis":"Approximate house location matched to the 2025 aerial and parcel.","neighborhood":"McLean","constructedYear":1978,"constructionYear":1978,"constructedDisplay":"1978","acquiredYear":1983,"acquiredDisplay":"1983","acquiredDate":"1983-03-22","occupiedYear":1988,"occupiedDisplay":"1988","firstDiplomaticUseYear":1988,"firstDiplomaticUseDisplay":"1988","firstDiplomaticUseDateBasis":"Residence use documented in the August 1988 State Department diplomatic list; exact initial use unresolved.","floorSqft":29022,"floorBasis":"Fairfax County SFLA summed across all three dwelling records on parcel 0321 01 0001 A:17,877+6,057+5,088=29,022 sq ft. This is reported above-grade living floor area. Basements are excluded consistently; the separately advertised 8,513 sq ft main-house basement is not selectively added while other basement areas remain unknown.","siteSqft":265803,"siteAcres":6.102,"assessment2026":24368200,"localAssessment":{"jurisdiction":"Fairfax County, Virginia","taxYear":2026,"land":10431000,"improvements":13937200,"total":24368200,"sourceUrls":["https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=valuesall&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138"]},"owner":"SAUDI ARABIA ROYAL EMBASSY","parcelIds":["0321 01  0001A"],"parcelScope":"One residence estate, including its subordinate structures. The 640 and 644 addresses identify the same parcel.","metricNote":"Fairfax property; no DC assessment. Site area is recorded acreage converted to square feet.","sourceUrls":["https://archive.org/stream/employeesofdipl1988wash_1/employeesofdipl1988wash_1_djvu.txt","https://icare.fairfaxcounty.gov/ffxcare/Datalets/Datalet.aspx?UseSearch=no&pin=0321010001A","https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=resall&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138","https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=sales&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138","https://icare.fairfaxcounty.gov/ffxcare/datalets/datalet.aspx?mode=valuesall&UseSearch=no&pin=0321010001A&jur=129&taxyr=2026&LMparent=138","https://www.fairfaxcounty.gov/gisapps/ParcelInfoReportJade/ParcelInfoReportPrint.aspx?ParcelID=0321+01++0001A","https://www.fairfaxcounty.gov/gisimagery/rest/services/AerialPhotography/2025AerialPhotography3inch/ImageServer","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json","https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fairfaxcounty.gov/"],"notes":["The State Department’s August 1988 directory identifies 644 Chain Bridge Road as the ambassador’s residence. Fairfax’s current location record links it to tax address 640 and the same Saudi-owned parcel.","A 2024 profile places the current ambassador’s official entertaining at her family’s McLean home. Continued use of this identified property is an inference from that reporting, the historical residence address and current ownership; a new 2026 official street-address statement was not located.","County building data record a 1978 main house, remodeling in 1982 and an addition in 1995. They do not identify an original architect or a total room count.","The recorded 6.102 acres define this residence estate. The neighboring mansion at 650 Chain Bridge Road is also Saudi Ministry of Foreign Affairs property, on separate parcel 0312 01 0037. Its current diplomatic function is unconfirmed, and it is excluded from this residence’s model and totals."],"overviewLabel":"Whole estate","overviewTitle":"Residence grounds","compoundDescription":"The main house, enclosed pool wing and garden terraces overlook wooded ground toward the Potomac. A tennis-side building and roadside guest house complete the illustrated estate. Select a building or feature to take a closer look.","cameraLocations":[{"id":"main-house","label":"Main house","description":"The main brick residence, built in 1978 and extended during its embassy ownership.","secondary":false},{"id":"pool-building","label":"Pool building","description":"The long pool enclosure, lower enclosed connection and continuous roof terrace.","secondary":false},{"id":"garden-terrace","label":"Garden terrace","description":"The retained garden with two circular features, localized stair flights and a level balustraded walk beside the pool enclosure.","secondary":false},{"id":"south-service","label":"Tennis-side building","description":"The separate building beside the circular court, with three front dormers, a fourth on its return and a pale flat roof strip.","secondary":false},{"id":"tennis-court","label":"Tennis court","description":"The outdoor court south of the house.","secondary":true},{"id":"gatehouse","label":"Roadside guest house","description":"The roadside building with four dormers on the long roof face, two on its crosswing and a terminal brick chimney. Interior use is not established by the aerials.","secondary":true},{"id":"south-service-shed","label":"Parking service shed","description":"The small outbuilding beside the southern parking court.","secondary":true}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Fairfax County 2026 APRTOT, land plus improvements, summed once across the identified estate parcels. Tax exemption does not imply zero value.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Assessed_Values/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Fairfax County recorded land square footage (SF), summed once across estate parcels. Current land working-roll TAXYR is 2027; the valuation is separately fixed to 2026. Uses the recorded area in square feet.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Land_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Fairfax County SFLA summed across all three dwelling records on parcel 0321 01 0001 A:17,877+6,057+5,088=29,022 sq ft. This is reported above-grade living floor area. Basements are excluded consistently; the separately advertised 8,513 sq ft main-house basement is not selectively added while other basement areas remain unknown.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 29,022 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"Fairfax County, Virginia","metricScopes":{"floorSqft":"Above grade"},"neighborhoodBasis":"Normalize the locality label to match the UAE residence in McLean; the address itself retains Virginia.","rooms":null,"roomsDisplay":"35–70","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 29,022 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Above-grade rooms only; basement rooms are excluded.","roomEstimate":{"display":"35–70 est.","range":[35,70],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 29,022 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":29022,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"35–70 est.","range":[35,70],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 29,022 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":29022,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Above-grade rooms only; basement rooms are excluded.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://services1.arcgis.com/ioennV6PpG5Xodq0/ArcGIS/rest/services/Tax_Administration_Real_Estate_Dwelling_Data/FeatureServer/0/query?where=PARID+IN+%28%270224+05++0003A%27%2C%270224+05++0002%27%2C%270321+01++0001A%27%29&outFields=%2A&returnGeometry=false&f=json"],"preparedOn":"2026-10-27"}},"propertyId":"residence","country":"Saudi Arabia","slug":"saudi-arabia","file":"Saudi-Arabia.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"israel-chancery","sceneId":"chancery","kind":"chancery","title":"Embassy of the State of Israel","address":"3514 International Drive NW, Washington, DC 20008","summary":"Pale brick wings with semicircular windows step around a covered entrance at the first chancery completed in the International Chancery Center. The mission moved here in December 1980.","modeled":true,"identityStatus":"verified","facts":[{"label":"Constructed","value":1980,"display":"1980","status":"verified","sourceUrls":["https://www.jta.org/archive/israel-unveils-its-new-chancery-in-washington","https://www.jta.org/archive/work-begun-on-new-israel-embassy","https://www.ncpc.gov/files/projects/2017/MP305-7393_Submission_Materials_Mar2017.pdf"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Acquired by Israel","value":1977,"display":"1977 (land lease)","status":"verified","sourceUrls":["https://www.jta.org/archive/israel-unveils-its-new-chancery-in-washington","https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Neighborhood","value":"North Cleveland Park","display":"North Cleveland Park","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Architect","value":"Louis Bernardo; Yeshayahu Mandel (consultant)","display":"Louis Bernardo; Yeshayahu Mandel","status":"verified","sourceUrls":["https://www.jta.org/archive/israel-unveils-its-new-chancery-in-washington","https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Rooms","value":null,"display":"75–180 est.","status":"estimated","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 68,788 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","note":"Estimated room range.","verifiedOn":"2026-10-24","checkedOn":"2026-10-26"},{"label":"Floor area","value":68787.68506050584,"display":"68,800 sq ft","status":"estimated","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"basis":"Contemporary reporting gives a 73,000 sq ft construction-stage project area; the as-built total was not independently verified. Estimate from the current ground-scaled model: four floors in the high L-shaped block, three floors in the lower wrapping wing and south projection, and one floor in the roofed entrance atrium. Add one basement with the 1,587.45 m² official roof-footprint area; the architect documents a large basement, while its full-footprint coverage is an explicit assumption. Exclude open arcades, terraces, steps and the detached lodge. Estimated main above-grade area is about 51,700 sq ft, consistent with the architect’s 50,000 sq ft office-space description; the total remains an estimate.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24","estimate":{"method":"calibrated-model-floorplates","rawSqft":68787.68506050584,"componentsSqm":{"four_storey_high_L":2633.077067553436,"three_storey_lower_wrap":1692.0191178431996,"three_storey_south_finger":401.1328457136001,"roofed_inner_entrance_one_floor":76.90240084799998,"one_basement_footprint":1587.4536247253418},"highLPolygonMetres":[[-16.67848,-6.901439999999999],[3.7382799999999996,-6.901439999999999],[3.7382799999999996,13.51532],[17.9725,13.51532],[17.9725,19.52432],[17.96681797747319,19.639980225588882],[17.949826630875812,19.754526579979032],[17.921689596164008,19.866855919160265],[17.88267784836332,19.975886450190806],[17.83316709193106,20.080568149454677],[17.773634142517004,20.17989287496313],[17.70465233496803,20.2729040753131],[17.626886001800127,20.358706001800126],[17.5410840753131,20.43647233496803],[17.44807287496313,20.505454142517003],[17.34874814945468,20.56498709193106],[17.244066450190807,20.614497848363317],[17.135035919160266,20.653509596164007],[17.022706579979033,20.68164663087581],[16.908160225588883,20.69863797747319],[16.7925,20.70432],[-9.345699999999999,20.70432],[-9.345699999999999,19.69786],[-16.67848,19.69786]],"lowerWrapPolygonMetres":[[-16.67848,-20.99188],[-9.345699999999999,-20.99188],[-9.345699999999999,-22.14212],[9.489479999999999,-22.14212],[9.489479999999999,-6.901439999999999],[-16.67848,-6.901439999999999],[-16.67848,7.04522],[-24.29882,7.04522],[-24.29882,-13.659099999999999],[-23.198819999999998,-13.659099999999999],[-23.198819999999998,-14.659099999999999],[-22.89882,-15.359099999999998],[-22.29882,-15.9591],[-21.59882,-16.2091],[-16.67848,-16.2091]],"southFingerPolygonMetres":[[3.7382799999999996,6.4700999999999995],[22.71724,6.4700999999999995],[22.71724,13.51532],[3.7382799999999996,13.51532]],"innerEntranceDimensionsMetres":[5.751199999999999,13.37154],"modelFile":"scenes/israel/scene.js","modelSha256":"a84507383f264b5a682f6208930f48089eab4bcd5e5dd420d7d6abe083f50025","calibration":"0.14378 metres per pixel from DC2025 orthophotography; model uses east/south axes","basementOfficialRoofObjectId":160539,"basementAssumption":"One full building footprint (1587.453624725 m²); the architect confirms a large basement but does not give exact floorplate coverage.","exclusions":["Open entrance arcade","Open terraces and outside steps","Plant screens","Detached front lodge"],"independentCheck":"Architect Yeshaiau Mandel reports 50,000 sq ft of office space; a 1979 contemporary report gives 73,000 sq ft total chancery. These are distinct scopes and independent checks, not inputs to this calculation.","preparedOn":"2026-10-24","status":"estimated","confidence":"low","displaySqft":68800,"officialRawFile":"raw/israel-chancery-rooflines.json","reportedProjectAreaSqft":73000,"reportedProjectAreaScope":"Contemporaneous construction-stage report (1979); not independently verified as-built or current gross area. The geometric estimate is a transparent alternative, not a claim of greater accuracy.","officialRawSha256":"50d46ec6fc3c3d3c20c40a037b1c6bb032347b81d4d9fb9fcab2a5e313bce771","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"]}},{"label":"Site area","value":51291,"display":"51,300 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2055/0809. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"2026 Value","value":32344510,"display":"$32.3M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2055/0809. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"}],"notes":["The chancery opened in December 1980; the dedication took place on 18 December. The precise first day of office occupation is not separately documented.","The site was allotted in 1973 and its land lease signed in 1977. The United States owns parcel 2055 0809; the acquisition date records the land lease.","Contemporary reporting gives a 73,000 sq ft construction-stage project area; the as-built total was not independently verified. Estimate from the current ground-scaled model: four floors in the high L-shaped block, three floors in the lower wrapping wing and south projection, and one floor in the roofed entrance atrium. Add one basement with the 1,587.45 m² official roof-footprint area; the architect documents a large basement, while its full-footprint coverage is an explicit assumption. Exclude open arcades, terraces, steps and the detached lodge. Estimated main above-grade area is about 51,700 sq ft, consistent with the architect’s 50,000 sq ft office-space description; the total remains an estimate.","The 2026 assessment is $32,344,510 for land and improvements on the single parcel. Tax assessment. CAMA’s contradictory 2018 construction placeholder and zero floor area were not adopted.","Roof massing and facade openings follow the official footprint, DC 2025 aerial and supplied street and oblique photographs. The upper L-shaped block rises above lower wings and a three-arch entrance arcade. Heights, obscured openings and ground levels remain interpreted."],"sourceUrls":["https://www.jta.org/archive/israel-unveils-its-new-chancery-in-washington","https://www.jta.org/archive/work-begun-on-new-israel-embassy","https://www.ncpc.gov/files/projects/2017/MP305-7393_Submission_Materials_Mar2017.pdf","https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/66","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson"],"lat":38.9427142,"lon":-77.06839565,"neighborhood":"North Cleveland Park","floorSqft":68787.68506050584,"siteSqft":51291,"assessment2026":32344510,"constructedYear":1980,"acquiredYear":1977,"occupiedYear":1980,"parcelIds":["2055    0809"],"estateId":"israel-chancery","firstDiplomaticUse":{"status":"verified","value":"1980-12","precision":"month","openingCeremonyDate":"1980-12-18","basis":"JTA22Dec1980 reports opening previousThursday18Dec;earliest office-occupation daynotseparatelyestablished.Do not conflate opening date with precise first day in use.","sources":["jta-opening-1980"]},"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"estimated","rooms":"estimated"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2055/0809. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value. The assessed parcel may be federally owned; this figure does not assert ownership by the occupying mission.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2055/0809. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272055++++0809%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"estimated","basis":"Contemporary reporting gives a 73,000 sq ft construction-stage project area; the as-built total was not independently verified. Estimate from the current ground-scaled model: four floors in the high L-shaped block, three floors in the lower wrapping wing and south projection, and one floor in the roofed entrance atrium. Add one basement with the 1,587.45 m² official roof-footprint area; the architect documents a large basement, while its full-footprint coverage is an explicit assumption. Exclude open arcades, terraces, steps and the detached lodge. Estimated main above-grade area is about 51,700 sq ft, consistent with the architect’s 50,000 sq ft office-space description; the total remains an estimate.","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"verifiedOn":"2026-10-24"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 68,788 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"verifiedOn":"2026-10-27"}},"assessmentJurisdiction":"District of Columbia","metricEstimates":{"floorSqft":{"method":"calibrated-model-floorplates","rawSqft":68787.68506050584,"componentsSqm":{"four_storey_high_L":2633.077067553436,"three_storey_lower_wrap":1692.0191178431996,"three_storey_south_finger":401.1328457136001,"roofed_inner_entrance_one_floor":76.90240084799998,"one_basement_footprint":1587.4536247253418},"highLPolygonMetres":[[-16.67848,-6.901439999999999],[3.7382799999999996,-6.901439999999999],[3.7382799999999996,13.51532],[17.9725,13.51532],[17.9725,19.52432],[17.96681797747319,19.639980225588882],[17.949826630875812,19.754526579979032],[17.921689596164008,19.866855919160265],[17.88267784836332,19.975886450190806],[17.83316709193106,20.080568149454677],[17.773634142517004,20.17989287496313],[17.70465233496803,20.2729040753131],[17.626886001800127,20.358706001800126],[17.5410840753131,20.43647233496803],[17.44807287496313,20.505454142517003],[17.34874814945468,20.56498709193106],[17.244066450190807,20.614497848363317],[17.135035919160266,20.653509596164007],[17.022706579979033,20.68164663087581],[16.908160225588883,20.69863797747319],[16.7925,20.70432],[-9.345699999999999,20.70432],[-9.345699999999999,19.69786],[-16.67848,19.69786]],"lowerWrapPolygonMetres":[[-16.67848,-20.99188],[-9.345699999999999,-20.99188],[-9.345699999999999,-22.14212],[9.489479999999999,-22.14212],[9.489479999999999,-6.901439999999999],[-16.67848,-6.901439999999999],[-16.67848,7.04522],[-24.29882,7.04522],[-24.29882,-13.659099999999999],[-23.198819999999998,-13.659099999999999],[-23.198819999999998,-14.659099999999999],[-22.89882,-15.359099999999998],[-22.29882,-15.9591],[-21.59882,-16.2091],[-16.67848,-16.2091]],"southFingerPolygonMetres":[[3.7382799999999996,6.4700999999999995],[22.71724,6.4700999999999995],[22.71724,13.51532],[3.7382799999999996,13.51532]],"innerEntranceDimensionsMetres":[5.751199999999999,13.37154],"modelFile":"scenes/israel/scene.js","modelSha256":"a84507383f264b5a682f6208930f48089eab4bcd5e5dd420d7d6abe083f50025","calibration":"0.14378 metres per pixel from DC2025 orthophotography; model uses east/south axes","basementOfficialRoofObjectId":160539,"basementAssumption":"One full building footprint (1587.453624725 m²); the architect confirms a large basement but does not give exact floorplate coverage.","exclusions":["Open entrance arcade","Open terraces and outside steps","Plant screens","Detached front lodge"],"independentCheck":"Architect Yeshaiau Mandel reports 50,000 sq ft of office space; a 1979 contemporary report gives 73,000 sq ft total chancery. These are distinct scopes and independent checks, not inputs to this calculation.","preparedOn":"2026-10-24","status":"estimated","confidence":"low","displaySqft":68800,"officialRawFile":"raw/israel-chancery-rooflines.json","reportedProjectAreaSqft":73000,"reportedProjectAreaScope":"Contemporaneous construction-stage report (1979); not independently verified as-built or current gross area. The geometric estimate is a transparent alternative, not a claim of greater accuracy.","officialRawSha256":"50d46ec6fc3c3d3c20c40a037b1c6bb032347b81d4d9fb9fcab2a5e313bce771","inputPathConvention":"modelFile relative to --project-root; officialRawFile relative to --evidence-root","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"]},"rooms":{"display":"75–180 est.","range":[75,180],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 68,788 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":68787.68506050584,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"preparedOn":"2026-10-27"}},"floorBasis":"Contemporary reporting gives a 73,000 sq ft construction-stage project area; the as-built total was not independently verified. Estimate from the current ground-scaled model: four floors in the high L-shaped block, three floors in the lower wrapping wing and south projection, and one floor in the roofed entrance atrium. Add one basement with the 1,587.45 m² official roof-footprint area; the architect documents a large basement, while its full-footprint coverage is an explicit assumption. Exclude open arcades, terraces, steps and the detached lodge. Estimated main above-grade area is about 51,700 sq ft, consistent with the architect’s 50,000 sq ft office-space description; the total remains an estimate.","constructedDisplay":"1980","occupiedDisplay":"1980","rooms":null,"roomsDisplay":"75–180","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 68,788 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"75–180 est.","range":[75,180],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 68,788 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":68787.68506050584,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://jewishvirtuallibrary.org/history-of-israel-s-u-s-embassy","https://www.washingtonpost.com/archive/lifestyle/1979/10/28/compounding-washingtons-diplomatic-mission/dc183e69-1f2f-4bbc-acd2-8315c045dd44/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%3D160539&outFields=*&returnGeometry=true&outSR=26985&f=pjson","https://github.com/RFedasiuk/chanceries/blob/6b4d01d1e24541576af9a015900905f2d744d086/scenes/israel/scene.js"],"preparedOn":"2026-10-27"},"propertyId":"chancery","country":"Israel","slug":"israel","file":"Israel.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"israel-residence","sceneId":"residence","kind":"residence","title":"Israeli Ambassador’s Residence","address":"3301 Fessenden Street NW, Washington, DC 20008","summary":"A limestone house built in 2019 became Israel’s ambassadorial residence after its 2023 acquisition. A separate guesthouse, pool and garden occupy the same estate.","modeled":true,"identityStatus":"verified","facts":[{"label":"Constructed","value":2019,"display":"2019","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25","https://michaelrankindc.com/properties/3301-fessenden-st"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Acquired by Israel","value":2023,"display":"2023","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.bizjournals.com/washington/news/2024/02/16/luxury-ambassador-home-sales.html"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.foresthillsconnection.com/news/neighborhood-in-the-news-another-ambassador-moving-in-rent-on-the-rise-the-real-birthplace-of-the-u-s-atomic-age/"],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Architect","value":null,"display":"Not Verified","status":"unverified","sourceUrls":[],"basis":"Public record or contemporary source; see Sources.","note":"","verifiedOn":"2026-10-24"},{"label":"Rooms","value":31,"display":"31","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL+LIKE+%272031%25%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"Current DC residential CAMA ROOMS: main house 31, detached guesthouse 7. The displayed count retains the main-house scope.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Floor area","value":12597,"display":"12,600 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%272031++++0026%27&outFields=*&returnGeometry=false&f=pjson"],"basis":"Sum of the current residential CAMA GBA fields on SSL 2031/0026: main house 11,397 sq ft plus guest house 1,200 sq ft. The 5,288 sq ft basement mentioned in property marketing is not added because its overlap with CAMA gross area has not been established.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"Site area","value":17341,"display":"17,300 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272031++++0026%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2031/0026. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"},{"label":"2026 Value","value":11948970,"display":"$11.9M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272031++++0026%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"basis":"Parcel total: 2031/0026. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","note":"","verifiedOn":"2026-10-24","checkedOn":"2026-10-24"}],"notes":["DC records identify the State of Israel as owner of parcel 2031 0026. Reporting dates the $9.5 million closing to 27 September 2023; the DC sale field records 28 September. The panel retains the year.","The main house and detached guest/pool house were built in 2019. CAMA’s effective-age fields for 2023 and 2024 do not establish a later construction date.","The room count is 31 for the main house; the separate guesthouse has seven rooms. The estate is counted once in the catalogue.","Sum of the current residential CAMA GBA fields on SSL 2031/0026: main house 11,397 sq ft plus guest house 1,200 sq ft. The 5,288 sq ft basement mentioned in property marketing is not added because its overlap with CAMA gross area has not been established.","The 2026 assessment of $11,948,970 covers the estate’s land and improvements. The $9.5 million 2023 sale price, older assessment and proposed assessment are separate values.","Exterior geometry combines the official DC footprint with overhead and listing photographs, including the raised garden, sloping street edges and garage beneath the terrace. Grades and hidden structure are estimated from the photographs. The room studies follow the furnishings in the property’s sale listing, before diplomatic acquisition.","A former residence on Chesapeake Street was abandoned and later demolished. It is distinct from this house; the unbuilt Kimmel Eshkolot replacement proposal is not used as evidence of the current property."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25","https://michaelrankindc.com/properties/3301-fessenden-st","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.bizjournals.com/washington/news/2024/02/16/luxury-ambassador-home-sales.html","https://www.foresthillsconnection.com/news/neighborhood-in-the-news-another-ambassador-moving-in-rent-on-the-rise-the-real-birthplace-of-the-u-s-atomic-age/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/66","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272031++++0026%27%29&outFields=%2A&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%272031++++0026%27&outFields=*&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL+LIKE+%272031%25%27&outFields=%2A&returnGeometry=false&f=json"],"lat":38.95492717,"lon":-77.06605196,"neighborhood":"Forest Hills","floorSqft":12597,"siteSqft":17341,"assessment2026":11948970,"constructedYear":2019,"acquiredYear":2023,"occupiedYear":2023,"parcelIds":["2031    0026"],"estateId":"israel-residence","firstDiplomaticUse":{"status":"estimated","value":"2023","precision":"year","basis":"Acquired for official residence in2023;first actual occupation date not located","sources":["residence-fhc","residence-wbj","dc-owner-parcels"]},"overviewLabel":"Whole estate","overviewTitle":"Residence grounds","compoundDescription":"The main residence and two-story pool house share the garden and swimming pool. Select a building to highlight it.","cameraLocations":[{"id":"residence-house","label":"Main residence","description":"The limestone residence was built in 2019 and acquired by Israel in 2023."},{"id":"residence-poolhouse","label":"Pool house","description":"A separate two-story building stands beside the pool and garden on the residence’s parcel."}],"metricStatus":{"assessment2026":"verified","siteSqft":"verified","floorSqft":"verified","rooms":"verified"},"metricSources":{"assessment2026":{"status":"verified","basis":"Parcel total: 2031/0026. Active 2026 DC ITSPE ASSESSMENT; land plus improvements. Not proposed value, tax owed, sale price or leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272031++++0026%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"siteSqft":{"status":"verified","basis":"Parcel total: 2031/0026. DC ITSPE LANDAREA, recorded square feet. Roads and unrelated neighboring parcels excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272031++++0026%27%29&outFields=%2A&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"},"floorSqft":{"status":"verified","basis":"Sum of the current residential CAMA GBA fields on SSL 2031/0026: main house 11,397 sq ft plus guest house 1,200 sq ft. The 5,288 sq ft basement mentioned in property marketing is not added because its overlap with CAMA gross area has not been established.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%272031++++0026%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-24"}},"assessmentJurisdiction":"District of Columbia","floorBasis":"Sum of the current residential CAMA GBA fields on SSL 2031/0026: main house 11,397 sq ft plus guest house 1,200 sq ft. The 5,288 sq ft basement mentioned in property marketing is not added because its overlap with CAMA gross area has not been established.","rooms":31,"constructedDisplay":"2019","occupiedDisplay":"2023","metricScopes":{"rooms":"Main house"},"propertyId":"residence","country":"Israel","slug":"israel","file":"Israel.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"australia-chancery","sceneId":"chancery","title":"Embassy of the Commonwealth of Australia","address":"1601 Massachusetts Avenue NW, Washington, DC 20036","summary":"Folded copper panels wrap Bates Smart’s 2023 chancery at Scott Circle. A tall central atrium brings daylight deep into the building, while the glazed ground floor opens its public face to Massachusetts Avenue.","modeled":true,"facts":[{"label":"Constructed","value":2023,"display":"2023","status":"verified","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"","basis":"","fieldId":""},{"label":"Acquired by Australia","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"Current building commissioned by Australia; the original land-acquisition year has not been established.","basis":"Current building commissioned by Australia; the original land-acquisition year has not been established.","fieldId":""},{"label":"Neighborhood","value":"Scott Circle","display":"Scott Circle","status":"verified","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"","basis":"","fieldId":""},{"label":"Architect","value":"Bates Smart; KCCT","display":"Bates Smart; KCCT","status":"verified","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"Bates Smart design architect; KCCT architect of record.","basis":"Bates Smart design architect; KCCT architect of record.","fieldId":""},{"label":"Rooms","value":null,"display":"140–385 est.","status":"estimated","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 214,094 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","fieldId":"","checkedOn":"2026-10-26"},{"label":"Floor area","value":214094,"display":"214,094 sq ft","status":"verified","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"note":"Architect reports 19,890 m² project area, converted to square feet; other project participants report different scopes.","basis":"Architect reports 19,890 m² project area, converted to square feet; other project participants report different scopes.","fieldId":""},{"label":"Site area","value":30300,"display":"30,300 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270181++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Active DC ITSPE record, SSL 0181 0162: LANDAREA 30,300 sq ft. The two CAMA building entries were not added together because one concerns the predecessor building.","fieldId":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":150612710,"display":"$150,612,710","status":"verified","sourceUrls":["https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf#page=271"],"note":"DC Office of Tax and Revenue, tax year 2026: land $22,437,760 plus improvements $128,174,950; square/lot 0181 0162, PDF page 271. Tax assessment. Adjacent separately assessed parcels are not added.","basis":"DC Office of Tax and Revenue, tax year 2026: land $22,437,760 plus improvements $128,174,950; square/lot 0181 0162, PDF page 271. Tax assessment. Adjacent separately assessed parcels are not added.","fieldId":"assessment2026"},{"label":"First diplomatic use","value":2023,"display":"2023","status":"verified","sourceUrls":["https://www.pm.gov.au/media/remarks-opening-australian-embassy"],"note":"Current building opened 24 October 2023.","basis":"Current building opened 24 October 2023.","fieldId":"missionFirstOccupied"}],"lat":38.90759,"lon":-77.03672,"notes":[],"sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc","https://www.archdaily.com/1019403/australian-embassy-in-washington-dc-bates-smart","https://www.pm.gov.au/media/remarks-opening-australian-embassy","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf#page=271","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270181++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"neighborhood":"Scott Circle","constructedYear":2023,"acquiredYear":null,"occupiedYear":2023,"floorSqft":214094,"siteSqft":30300,"assessment2026":150612710,"metricStatus":{"assessment2026":"verified","rooms":"estimated","siteSqft":"verified"},"overviewLabel":"Whole chancery","overviewTitle":"Chancery sculptures","compoundDescription":"The coat of arms stands at the entrance corner. Sister Crossing and Bull occupy separate sculpture courts along 16th Street. Select a building or feature to take a closer look.","cameraLocations":[{"id":"coat-of-arms","label":"Coat of arms","description":"The bronze Commonwealth coat of arms pairs a kangaroo and emu around the shield, beneath a seven-point star.","focus":{"position":[-49,3.7,24],"target":[-38.3,1.6,21.2],"span":4.8}},{"id":"sister-crossing","label":"Sister Crossing","description":"Janet Fieldhouse’s bronze vessel rises from a pierced bench outside the southern seating bay, with a feathered collar and slender crown.","focus":{"position":[-15,5,31],"target":[-8,2.6,21],"span":7.5}},{"id":"bull","label":"Bull","description":"Callum Morton’s sculpture has a rough cast back toward the street and polished steel faces turned toward the northern seating bay.","focus":{"position":[18,6,34],"target":[10.5,2.6,21.05],"span":7}}],"rooms":null,"roomsDisplay":"140–385","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 214,094 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","metricSources":{"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 214,094 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"verifiedOn":"2026-10-27"},"siteSqft":{"status":"verified","basis":"Active DC ITSPE record, SSL 0181 0162: LANDAREA 30,300 sq ft. The two CAMA building entries were not added together because one concerns the predecessor building.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270181++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"roomEstimate":{"display":"140–385 est.","range":[140,385],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 214,094 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":214094,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[280,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"140–385 est.","range":[140,385],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office, ceremonial and parking property, assume 30%–50% of the recorded 214,094 sq ft is enclosed usable room area, with an average 280–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":214094,"roomAreaFraction":[0.3,0.5],"averageRoomSizeSqft":[280,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.batessmart.com/projects/the-embassy-of-australia-washington-dc"],"preparedOn":"2026-10-27"}},"parcelIds":["0181    0162"],"metricScopes":{"siteSqft":"identified-parcel"},"siteBasis":"Active DC ITSPE record, SSL 0181 0162: LANDAREA 30,300 sq ft. The two CAMA building entries were not added together because one concerns the predecessor building.","propertyId":"chancery","country":"Australia","slug":"australia","file":"Australia.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"australia-residence","sceneId":"residence","title":"Australian Ambassador’s Residence","address":"3120 Cleveland Avenue NW, Washington, DC 20008","summary":"White Oaks became Australia’s wartime legation and minister’s home in 1940. The red-brick Colonial house remains the ambassador’s residence, with a garden, swimming pool and grass tennis court used for diplomatic hospitality.","modeled":true,"facts":[{"label":"Constructed","value":1923,"display":"1923","status":"verified","sourceUrls":["https://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=106166"],"note":"Construction began in 1923; extended in 1926.","basis":"Construction began in 1923; extended in 1926.","fieldId":""},{"label":"Acquired by Australia","value":1941,"display":"1941","status":"verified","sourceUrls":["https://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=106166"],"note":"Leased from 1940, purchased in 1941 with five adjacent separately titled lots.","basis":"Leased from 1940, purchased in 1941 with five adjacent separately titled lots.","fieldId":""},{"label":"Neighborhood","value":"Woodland Normanstone","display":"Woodland Normanstone","status":"verified","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"note":"","basis":"","fieldId":""},{"label":"Architect","value":"David J. Dunigan","display":"David J. Dunigan","status":"verified","sourceUrls":["https://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=106166"],"note":"Heritage record names the original owner as builder and architect.","basis":"Heritage record names the original owner as builder and architect.","fieldId":""},{"label":"Rooms","value":null,"display":"20–40 est.","status":"estimated","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"note":"Estimated room range. The heritage account records 25 rooms in 1940; it does not establish a current inventory.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 16,729 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","fieldId":"","checkedOn":"2026-10-26"},{"label":"Floor area","value":16729,"display":"16,729 sq ft","status":"verified","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"note":"Secondary exact-address building record; excludes an assumed sum of staff houses.","basis":"Secondary exact-address building record; excludes an assumed sum of staff houses.","fieldId":""},{"label":"Site area","value":65340,"display":"65,340 sq ft","status":"verified","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"note":"The 1.5 acre main lot converts to square feet at 43,560 sq ft per acre. Additional historical estate land is excluded.","basis":"The 1.5 acre main lot converts to square feet at 43,560 sq ft per acre. Additional historical estate land is excluded.","fieldId":""},{"label":"2026 Value","value":41518580,"display":"$41,518,580","status":"verified","sourceUrls":["https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf#page=279"],"note":"DC Office of Tax and Revenue, tax year 2026: land $32,193,370 plus improvements $9,325,210; square/lot 2127 0009, PDF page 279. Tax assessment. Adjacent separately assessed parcels are not added.","basis":"DC Office of Tax and Revenue, tax year 2026: land $32,193,370 plus improvements $9,325,210; square/lot 2127 0009, PDF page 279. Tax assessment. Adjacent separately assessed parcels are not added.","fieldId":"assessment2026"},{"label":"First diplomatic use","value":1940,"display":"1940","status":"verified","sourceUrls":["https://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=106166"],"note":"Rented as legation offices and residence in 1940.","basis":"Rented as legation offices and residence in 1940.","fieldId":"missionFirstOccupied"}],"lat":38.926334971993,"lon":-77.062975306559,"notes":["White Oaks is modeled from the supplied arrival, garden, court-side and overhead views. Relative terrace levels, dimensions and obscured details are estimated.","Four staff residences on adjoining lots are documented, but their individual identities, boundaries and current use were not established. They are not duplicated as counted properties.","The heritage account records 25 rooms in 1940. A current room inventory could not be verified from the additional public sources checked on 26 October 2026."],"sourceUrls":["https://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=106166","https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf#page=279"],"neighborhood":"Woodland Normanstone","constructedYear":1923,"acquiredYear":1941,"occupiedYear":1940,"floorSqft":16729,"siteSqft":65340,"assessment2026":41518580,"metricStatus":{"assessment2026":"verified","rooms":"estimated"},"rooms":null,"roomsDisplay":"20–40","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 16,729 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","metricSources":{"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 16,729 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"verifiedOn":"2026-10-27"}},"roomEstimate":{"display":"20–40 est.","range":[20,40],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 16,729 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":16729,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"20–40 est.","range":[20,40],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this residential reception property, assume 55%–70% of the recorded 16,729 sq ft is enclosed usable room area, with an average 300–450 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":16729,"roomAreaFraction":[0.55,0.7],"averageRoomSizeSqft":[300,450]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://www.homes.com/property/3120-cleveland-ave-nw-washington-dc/fckvhkct8b0r3/"],"preparedOn":"2026-10-27"}},"parcelIds":["2127    0009"],"propertyId":"residence","country":"Australia","slug":"australia","file":"Australia.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"ukraine-chancery","sceneId":"chancery","title":"Embassy of Ukraine","address":"3350 M Street NW, Washington, DC 20007","summary":"A rose-colored Georgetown house anchors Ukraine’s Washington mission. The Forrest–Marbury House, its lower east wing and later west offices surround a small rear courtyard.","modeled":true,"facts":[{"id":"constructed","label":"Constructed","value":1788,"display":"1788","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/2cdbdb0a-53cd-47e5-9ad6-b1fb61d8ed6a"],"basis":"NPS dates original construction to 1788–1790; 1788 is the conventional house date. CAMA AYB 1791 is an assessment field, not used to replace the historic record.","note":"","checkedOn":"2026-10-25"},{"id":"acquired","label":"Acquired by Ukraine","value":1992,"display":"1992","status":"verified","sourceUrls":["https://archive.ukrweekly.com/wp-content/uploads/The_Ukrainian_Weekly_1993-09.pdf"],"basis":"Purchase in December 1992; official opening followed in February 1993.","note":"","checkedOn":"2026-10-25"},{"id":"neighborhood","label":"Neighborhood","value":"Georgetown","display":"Georgetown","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/2cdbdb0a-53cd-47e5-9ad6-b1fb61d8ed6a"],"basis":"","note":"","checkedOn":"2026-10-25"},{"id":"architect","label":"Architect","value":null,"display":"Unknown","status":"unverified","sourceUrls":["https://npgallery.nps.gov/AssetDetail/NRIS/73002084","https://npgallery.nps.gov/GetAsset/2cdbdb0a-53cd-47e5-9ad6-b1fb61d8ed6a","https://www.loc.gov/item/dc0112/"],"basis":"The National Register explicitly lists the original architect as Unknown. Its nomination identifies Benjamin Stoddert as the property owner during construction in 1788–1790, not as architect. No reliable attribution for the later additions or restoration was located.","note":"Original architect unrecorded in the National Register.","checkedOn":"2026-10-26"},{"id":"rooms","label":"Rooms","value":80,"display":"~80 (est.)","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"Broad estimate of 60–100 enclosed offices, meeting/reception rooms and support rooms across the entire 34,432 sq ft connected complex. Assumes 60–70% of gross area is room floor area after walls, circulation, garage and plant, with a mixed average room size of 250–350 sq ft. The central estimate uses 65% and 280 sq ft (~80 rooms). Estimated enclosed rooms; toilets, corridors, stairs, shafts, and parking bays are excluded.","note":"Whole complex; broad range 60–100. No current room inventory found.","checkedOn":"2026-10-26","estimateRange":[60,100]},{"id":"floorArea","label":"Floor area","value":34432,"display":"34,400 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC CAMA LIVING_GBA, the entire connected chancery complex, not just the historic house.","note":"","checkedOn":"2026-10-25"},{"id":"siteArea","label":"Site area","value":10935,"display":"10,900 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC ITSPE LANDAREA for this parcel; excludes neighboring property and public streets.","note":"","checkedOn":"2026-10-25"},{"id":"assessment","label":"2026 Value","value":27410290,"display":"$27.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"Active 2026 ASSESSMENT equals PHASELAND + PHASEBUILD; CY1YEAR 2026. Not proposed NEWTOTAL, sale price, or tax owed.","note":"","checkedOn":"2026-10-25"}],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json","https://commons.wikimedia.org/wiki/File:Embassy_of_Ukraine,_Washington.jpg","https://npgallery.nps.gov/GetAsset/2cdbdb0a-53cd-47e5-9ad6-b1fb61d8ed6a","https://archive.ukrweekly.com/wp-content/uploads/The_Ukrainian_Weekly_1993-09.pdf"],"notes":["The chancery opened here on 24 February 1993, following the December 1992 purchase. Ukraine’s first Washington offices had opened in 1992.","The property comprises the historic house and connected later additions. The floor area and assessment cover the whole parcel once.","Exterior refined against supplied overhead views and December 2024 Street View: connected wings, roof terrace, sunken courtyard with a lower arcade, and sloping streets. The banner and floral tributes follow supplied photographs. Dimensions are proportional estimates."],"lat":38.9048314873,"lon":-77.0675223686,"neighborhood":"Georgetown","floorSqft":34432,"siteSqft":10935,"assessment2026":27410290,"constructedYear":1788,"acquiredYear":1992,"occupiedYear":1993,"occupiedDisplay":"1993","ssl":"1184    0053","parcelIds":["1184    0053"],"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"floorSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC CAMA LIVING_GBA, the entire connected chancery complex, not just the historic house.","verifiedOn":"2026-10-25"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC ITSPE LANDAREA for this parcel; excludes neighboring property and public streets.","verifiedOn":"2026-10-25"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271184%20%20%20%200053%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"Active 2026 ASSESSMENT equals PHASELAND + PHASEBUILD; CY1YEAR 2026. Not proposed NEWTOTAL, sale price, or tax owed.","verifiedOn":"2026-10-25"}},"occupancyEvidence":{"year":1993,"precision":"day","exactDate":"1993-02-24","status":"verified","sourceUrls":["https://archive.ukrweekly.com/wp-content/uploads/The_Ukrainian_Weekly_1993-09.pdf"]},"propertyId":"chancery","country":"Ukraine","slug":"ukraine","file":"Ukraine.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"ukraine-residence","sceneId":"residence","title":"Ukrainian Ambassador’s Residence","address":"4744 Foxhall Crescent NW, Washington, DC 20007","summary":"An L-shaped brick house on a wooded slope in Berkley serves as the ambassador’s residence. Its lower garage and raised entrance follow the hillside, with a small rounded bay tucked into the inner corner.","modeled":true,"facts":[{"id":"constructed","label":"Constructed","value":1986,"display":"1986","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC CAMA actual year built; remodeling 2002 and effective year 2004 are distinct.","note":"","checkedOn":"2026-10-25"},{"id":"acquired","label":"Acquired by Ukraine","value":2002,"display":"2002","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC sale record: 28 August 2002. Acquisition does not establish the first day of diplomatic occupation.","note":"","checkedOn":"2026-10-25"},{"id":"neighborhood","label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","sourceUrls":["https://www.zillow.com/homedetails/4744-Foxhall-Cres-NW-Washington-DC-20007/435854_zpid/"],"basis":"","note":"","checkedOn":"2026-10-25"},{"id":"architect","label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://www.zillow.com/homedetails/4744-Foxhall-Cres-NW-Washington-DC-20007/435854_zpid/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"No architect for this exact building was identified in the consulted records.","note":"","checkedOn":"2026-10-25"},{"id":"rooms","label":"Rooms","value":11,"display":"11","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC CAMA ROOMS; excludes the distinction between bedrooms and total rooms.","note":"","checkedOn":"2026-10-25"},{"id":"floorArea","label":"Floor area","value":3724,"display":"3,700 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC residential CAMA GBA, 3,724 sq ft. Rounded only for display.","note":"","checkedOn":"2026-10-25"},{"id":"siteArea","label":"Site area","value":13065,"display":"13,100 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC ITSPE LANDAREA for this parcel; excludes neighboring property and public streets.","note":"","checkedOn":"2026-10-25"},{"id":"assessment","label":"2026 Value","value":2437120,"display":"$2.4M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"Active 2026 ASSESSMENT equals PHASELAND + PHASEBUILD; CY1YEAR 2026. Not proposed NEWTOTAL, sale price, or tax owed.","note":"","checkedOn":"2026-10-25"}],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json","https://washingtonlife.com/issues/october-2007/Article1/page12.php","https://washingtonlife.com/embassy-directory-2016/"],"notes":["DC records show Ukrainian government ownership and a 2002 purchase; Washington Life explicitly identifies the residence at this address in 2007 and 2016. The first year of occupation is not established.","Exterior refined against supplied overhead obliques: L-shaped footprint, connected hipped roofs, lower garage and sloping approach. The small rounded projection is interpreted as a bay with a roof terrace; foliage obscures its details. No interior is represented."],"lat":38.9220315209,"lon":-77.0939951241,"neighborhood":"Berkley","floorSqft":3724,"siteSqft":13065,"assessment2026":2437120,"constructedYear":1986,"acquiredYear":2002,"occupiedYear":2007,"occupiedDisplay":"By 2007","ssl":"1397    1029","parcelIds":["1397    1029"],"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"floorSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC residential CAMA GBA, 3,724 sq ft. Rounded only for display.","verifiedOn":"2026-10-25"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"DC ITSPE LANDAREA for this parcel; excludes neighboring property and public streets.","verifiedOn":"2026-10-25"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL%3D%271397%20%20%20%201029%27&outFields=*&returnGeometry=true&outSR=4326&f=json"],"basis":"Active 2026 ASSESSMENT equals PHASELAND + PHASEBUILD; CY1YEAR 2026. Not proposed NEWTOTAL, sale price, or tax owed.","verifiedOn":"2026-10-25"}},"occupancyEvidence":{"year":2007,"precision":"year","status":"documented-by","exactDate":null,"sourceUrls":["https://washingtonlife.com/issues/october-2007/Article1/page12.php"],"note":"Earliest located explicit residence listing; actual occupation may predate this."},"occupationBasis":"Listed as the Ukrainian ambassador’s residence in October 2007; actual use may have begun earlier. Purchase in 2002 is a separate fact.","propertyId":"residence","country":"Ukraine","slug":"ukraine","file":"Ukraine.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"mexico-chancery","kind":"chancery","sceneId":"chancery","title":"Embassy of the United Mexican States","address":"1911 Pennsylvania Avenue NW, Washington, DC","summary":"A modern office building encloses two retained Georgian house façades. Mexico moved its embassy here from 16th Street in 1989.","modeled":true,"facts":[{"label":"Constructed","value":1986,"display":"1986","status":"verified","note":"CAMA AYB 1986; the retained historic fronts predate the office building. EYB 1997 is effective age, not completion.","basis":"CAMA AYB 1986; the retained historic fronts predate the office building. EYB 1997 is effective age, not completion.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Acquired by Mexico","value":null,"display":"Not verified","status":"unverified","note":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","basis":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"First diplomatic use","value":1989,"display":"1989","status":"verified","note":"Mexico’s occupation of this property, not establishment of diplomatic relations.","basis":"Mexico’s occupation of this property, not establishment of diplomatic relations.","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/"],"verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Foggy Bottom","display":"Foggy Bottom","status":"verified","note":"Geographic neighborhood; tax-assessment names can differ.","basis":"Geographic neighborhood; tax-assessment names can differ.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Architect","value":"Peter Vercelli","display":"Peter Vercelli","status":"verified","note":"","basis":"","sourceUrls":["https://www.cfa.gov/about-cfa/who-we-are/peter-vercelli"],"verifiedOn":"2026-10-25"},{"label":"Rooms","value":null,"display":"95–230 est.","status":"estimated","note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 87,620 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25","checkedOn":"2026-10-26"},{"label":"Floor area","value":87620,"display":"87,600 sq ft","status":"verified","note":"Recorded DC gross building area; the Institute record includes its associated building sections.","basis":"Recorded DC gross building area; the Institute record includes its associated building sections.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Site area","value":7609,"display":"7,600 sq ft","status":"verified","note":"LANDAREA for one owned parcel 0118    0031. No streets or neighboring properties included.","basis":"LANDAREA for one owned parcel 0118    0031. No streets or neighboring properties included.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"2026 Value","value":53324170,"display":"$53.3M","status":"verified","note":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","basis":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"}],"notes":["CAMA AYB 1986; the retained historic fronts predate the office building. EYB 1997 is effective age, not completion.","DC tax valuation."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson","https://instituteofmexicodc.org/index.php/mansion/","https://www.cfa.gov/about-cfa/who-we-are/peter-vercelli","https://commons.wikimedia.org/wiki/File:MJK48485_Mexican_Embassy_(Washington_DC).jpg"],"lat":38.90076,"lon":-77.04403,"neighborhood":"Foggy Bottom","architect":"Peter Vercelli","rooms":null,"constructedYear":1986,"constructedDisplay":"1986","acquiredYear":null,"occupiedYear":1989,"floorSqft":87620,"siteSqft":7609,"assessment2026":53324170,"parcelIds":["0118    0031"],"floorBasis":"DC recorded gross building area","coordinateBasis":"Approximate property center from DC parcel and building geometry.","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated"},"metricSources":{"floorSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"basis":"DC GBA","verifiedOn":"2026-10-25"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC LANDAREA","verifiedOn":"2026-10-25"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC current ASSESSMENT; CY1YEAR 2026","verifiedOn":"2026-10-25"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 87,620 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"roomsDisplay":"95–230","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 87,620 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"95–230 est.","range":[95,230],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 87,620 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":87620,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"95–230 est.","range":[95,230],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this office property, assume 45%–65% of the recorded 87,620 sq ft is enclosed usable room area, with an average 250–400 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":87620,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[250,400]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Mexico","slug":"mexico","file":"Mexico.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"mexico-residence","kind":"residence","sceneId":"residence","title":"Mexican Ambassador’s Residence","address":"4925 Loughboro Road NW, Washington, DC","summary":"The former Preston Wire House stands on a wooded Spring Valley estate. DC’s heritage inventory records its use as Mexico’s ambassadorial residence from 1973.","modeled":true,"facts":[{"label":"Constructed","value":1931,"display":"1930–31","status":"verified","note":"CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved.","basis":"CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"verifiedOn":"2026-10-25"},{"label":"Acquired by Mexico","value":null,"display":"Not verified","status":"unverified","note":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","basis":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"First diplomatic use","value":1973,"display":"1973","status":"verified","note":"Mexico’s occupation of this property, not establishment of diplomatic relations.","basis":"Mexico’s occupation of this property, not establishment of diplomatic relations.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf"],"verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","note":"Geographic neighborhood; tax-assessment names can differ.","basis":"Geographic neighborhood; tax-assessment names can differ.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","note":"Original architect not identified in the consulted residential CAMA, DC heritage guide or contemporary residence reports.","basis":"Original architect not identified in the consulted residential CAMA, DC heritage guide or contemporary residence reports.","sourceUrls":["https://www.cfa.gov/about-cfa/who-we-are/peter-vercelli"],"verifiedOn":"2026-10-25"},{"label":"Rooms","value":16,"display":"16","status":"verified","note":"Residential CAMA ROOMS count; not bedrooms or event capacity.","basis":"Residential CAMA ROOMS count; not bedrooms or event capacity.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%271513%20%20%20%200014%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Floor area","value":11321,"display":"11,300 sq ft","status":"verified","note":"Recorded DC gross building area; the Institute record includes its associated building sections.","basis":"Recorded DC gross building area; the Institute record includes its associated building sections.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%271513%20%20%20%200014%27&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Site area","value":80139,"display":"80,100 sq ft","status":"verified","note":"LANDAREA for one owned parcel 1513    0014. No streets or neighboring properties included.","basis":"LANDAREA for one owned parcel 1513    0014. No streets or neighboring properties included.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"2026 Value","value":8305280,"display":"$8.3M","status":"verified","note":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","basis":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"}],"notes":["CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved.","DC tax valuation."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%271513%20%20%20%200014%27&outFields=*&returnGeometry=false&f=pjson","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Ward%203%20Heritage%20Guide.pdf","https://www.wfpg.org/index.php?Itemid=100&day=25&evid=529&month=06&option=com_jevents&task=icalrepeat.detail&title=2025-celebration-of-women-diplomats&uid=ea757c55c3c3d490b67a6f9949c28ea1&year=2025","https://juansoriano.net/nav/noticias/pajaro.html"],"lat":38.93341,"lon":-77.09786,"neighborhood":"Spring Valley","architect":null,"rooms":16,"constructedYear":1931,"constructedDisplay":"1930–31","acquiredYear":null,"occupiedYear":1973,"floorSqft":11321,"siteSqft":80139,"assessment2026":8305280,"parcelIds":["1513    0014"],"floorBasis":"DC recorded gross building area","coordinateBasis":"Approximate property center from DC parcel and building geometry.","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"floorSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/25/query?where=SSL%3D%271513%20%20%20%200014%27&outFields=*&returnGeometry=false&f=pjson"],"basis":"DC GBA","verifiedOn":"2026-10-25"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC LANDAREA","verifiedOn":"2026-10-25"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC current ASSESSMENT; CY1YEAR 2026","verifiedOn":"2026-10-25"}},"propertyId":"residence","country":"Mexico","slug":"mexico","file":"Mexico.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"mexico-institute","kind":"cultural","sceneId":"institute","title":"Mexican Cultural Institute","address":"2829 16th Street NW, Washington, DC","summary":"Nathan C. Wyeth’s MacVeagh House became Mexico’s embassy in 1921. Since 1990, its public rooms and mural staircase have served the Mexican Cultural Institute.","modeled":true,"facts":[{"label":"Constructed","value":1911,"display":"1911","status":"verified","note":"Completed 1911 per historic inventory; CAMA AYB 1910 reflects the earlier construction date.","basis":"Completed 1911 per historic inventory; CAMA AYB 1910 reflects the earlier construction date.","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718"],"verifiedOn":"2026-10-25"},{"label":"Acquired by Mexico","value":1921,"display":"1921","status":"verified","note":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","basis":"Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties.","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718"],"verifiedOn":"2026-10-25"},{"label":"First diplomatic use","value":1921,"display":"1921","status":"verified","note":"Mexico’s occupation of this property, not establishment of diplomatic relations.","basis":"Mexico’s occupation of this property, not establishment of diplomatic relations.","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718"],"verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Columbia Heights","display":"Columbia Heights","status":"verified","note":"Geographic neighborhood; tax-assessment names can differ.","basis":"Geographic neighborhood; tax-assessment names can differ.","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718"],"verifiedOn":"2026-10-25"},{"label":"Architect","value":"Nathan C. Wyeth","display":"Nathan C. Wyeth","status":"verified","note":"","basis":"","sourceUrls":["https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718"],"verifiedOn":"2026-10-25"},{"label":"Rooms","value":null,"display":"30–70 est.","status":"estimated","note":"Estimated room range.","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this cultural and reception property, assume 50%–65% of the recorded 35,506 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25","checkedOn":"2026-10-26"},{"label":"Floor area","value":35506,"display":"35,500 sq ft","status":"verified","note":"Recorded DC gross building area; the Institute record includes its associated building sections.","basis":"Recorded DC gross building area; the Institute record includes its associated building sections.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"Site area","value":34551,"display":"34,600 sq ft","status":"verified","note":"LANDAREA for one owned parcel 2577    0038. No streets or neighboring properties included.","basis":"LANDAREA for one owned parcel 2577    0038. No streets or neighboring properties included.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"},{"label":"2026 Value","value":16019730,"display":"$16.0M","status":"verified","note":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","basis":"Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"verifiedOn":"2026-10-25"}],"notes":["Completed 1911 per historic inventory; CAMA AYB 1910 reflects the earlier construction date.","DC tax valuation."],"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson","https://instituteofmexicodc.org/index.php/mansion/","https://historicsites.dcpreservation.org/items/show/718","https://instituteofmexicodc.org/index.php/nathan-wyeth/"],"lat":38.92552,"lon":-77.03585,"neighborhood":"Columbia Heights","architect":"Nathan C. Wyeth","rooms":null,"constructedYear":1911,"constructedDisplay":"1911","acquiredYear":1921,"occupiedYear":1921,"floorSqft":35506,"siteSqft":34551,"assessment2026":16019730,"parcelIds":["2577    0038"],"floorBasis":"DC recorded gross building area","coordinateBasis":"Approximate property center from DC parcel and building geometry.","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated"},"metricSources":{"floorSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"basis":"DC GBA","verifiedOn":"2026-10-25"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC LANDAREA","verifiedOn":"2026-10-25"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=UPPER%28OWNERNAME%29%20LIKE%20%27%25MEXIC%25%27&outFields=*&returnGeometry=true&outSR=4326&f=pjson"],"basis":"DC current ASSESSMENT; CY1YEAR 2026","verifiedOn":"2026-10-25"},"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this cultural and reception property, assume 50%–65% of the recorded 35,506 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"verifiedOn":"2026-10-27"}},"roomsDisplay":"30–70","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this cultural and reception property, assume 50%–65% of the recorded 35,506 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","roomEstimate":{"display":"30–70 est.","range":[30,70],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this cultural and reception property, assume 50%–65% of the recorded 35,506 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":35506,"roomAreaFraction":[0.5,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"30–70 est.","range":[30,70],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this cultural and reception property, assume 50%–65% of the recorded 35,506 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":35506,"roomAreaFraction":[0.5,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/FeatureServer/23/query?where=SSL%20IN%20%28%270118%20%20%20%200031%27,%272577%20%20%20%200038%27%29&outFields=*&returnGeometry=false&f=pjson"],"preparedOn":"2026-10-27"}},"propertyId":"institute","country":"Mexico","slug":"mexico","file":"Mexico.html","propertyCategory":"other","propertyType":"Other"},{"id":"sweden-chancery","kind":"chancery","sceneId":"chancery","title":"Embassy of the Kingdom of Sweden","address":"2900 K Street NW, Washington, DC 20007","modeled":true,"constructedYear":2006,"acquiredYear":2007,"occupiedYear":2006,"neighborhood":"Georgetown","architect":"Gert Wingårdh and Tomas Hansen","rooms":null,"floorSqft":81000,"siteSqft":20251,"assessment2026":30282990,"lat":38.90139,"lon":-77.05886,"facts":[{"id":"constructed","label":"Constructed","value":2006,"display":"2004–2006","status":"verified","sourceUrls":["https://www.sfv.se/vara-fastigheter/utrikes/nord-och-sydamerika/house-of-sweden-i-washington-dc-usa"],"note":"","checkedOn":"2026-10-25"},{"id":"occupied","label":"First diplomatic use","value":2006,"display":"2006","status":"verified","sourceUrls":["https://www.swedenabroad.se/en/embassies/usa-washington/about-us/","https://www.sfv.se/vara-fastigheter/utrikes/nord-och-sydamerika/house-of-sweden-i-washington-dc-usa"],"note":"Embassy staff moved in during August; inauguration followed on 23 October. Acquisition is a separate event.","checkedOn":"2026-10-25","fieldId":"missionFirstOccupied"},{"id":"neighborhood","label":"Neighborhood","value":"Georgetown","display":"Georgetown","status":"verified","sourceUrls":["https://www.swedenabroad.se/en/embassies/usa-washington/about-us/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"","checkedOn":"2026-10-25"},{"id":"architect","label":"Architect","value":"Gert Wingårdh and Tomas Hansen","display":"Gert Wingårdh and Tomas Hansen","status":"verified","sourceUrls":["https://www.sfv.se/vara-fastigheter/utrikes/nord-och-sydamerika/house-of-sweden-i-washington-dc-usa","https://jessenarchitects.com/project/house-of-sweden-embassy/"],"note":"John Jessen / VOA Associates: architect of record.","checkedOn":"2026-10-25"},{"id":"rooms","label":"Rooms","value":null,"display":"65–155 est.","status":"estimated","sourceUrls":["https://jessenarchitects.com/project/house-of-sweden-embassy/"],"note":"Estimated room range.","checkedOn":"2026-10-26","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 81,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured."},{"id":"floorArea","label":"Floor area","value":81000,"display":"81,000 sq ft","status":"verified","sourceUrls":["https://jessenarchitects.com/project/house-of-sweden-embassy/"],"note":"Whole mixed-use architectural project; not embassy office only.","checkedOn":"2026-10-25","unit":"sq ft","rawField":"Project area","scope":"Whole House of Sweden building"},{"id":"siteArea","label":"Site area","value":20251,"display":"20,300 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"LANDAREA is 20,251 sq ft for parcel 1171/0814. The two possessory interests report no additional land; the neighboring federal parcel is excluded.","checkedOn":"2026-10-25","unit":"sq ft","rawField":"LANDAREA","scope":"Single physical estate"},{"id":"assessment","label":"2026 Value","value":30282990,"display":"$30.3 M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"Three distinct assessments: $9,520,270 + $17,941,480 + $2,821,240. Tax assessment.","checkedOn":"2026-10-25","unit":"USD","taxYear":2026,"rawField":"ASSESSMENT"},{"id":"acquired","label":"Acquired by Sweden","value":2007,"display":"2007","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23","https://www.sfv.se/vara-fastigheter/utrikes/nord-och-sydamerika/house-of-sweden-i-washington-dc-usa"],"note":"DC records give 8 June 2007 for acquisition of the recorded interest. SFV dates the initial lease agreement to 2002; embassy occupation began in 2006.","checkedOn":"2026-10-25"}],"notes":["The neighboring northern office tower is not House of Sweden and is excluded from this property study.","The current residence and representation apartment share this building. They do not add a second estate to the property database.","The DC postal address point lies on the north tower; the map marker is corrected to the actual south building."],"sourceUrls":["https://www.swedenabroad.se/en/embassies/usa-washington/about-us/","https://www.sfv.se/vara-fastigheter/utrikes/nord-och-sydamerika/house-of-sweden-i-washington-dc-usa","https://jessenarchitects.com/project/house-of-sweden-embassy/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23"],"catalogue":true,"summary":"Light stone, glass and wood-grain balcony screens face the Potomac at House of Sweden. Opened in 2006, the building combines the embassy with public event spaces and apartments; the ambassador’s residence moved here in 2021.","firstDiplomaticUseYear":2006,"firstDiplomaticUseDateBasis":"Embassy reports opening in August 2006; official inauguration 23 October 2006.","missionFirstOccupied":2006,"owner":"Kingdom of Sweden","parcelIds":["1171 7001","1171 7002","1171 0814"],"metricGroupIds":{"floorSqft":"sweden-house-of-sweden","siteSqft":"sweden-house-of-sweden","assessment2026":"sweden-house-of-sweden"},"roomsDisplay":"65–155","roomsBasis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 81,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","metricStatus":{"rooms":"estimated"},"metricSources":{"rooms":{"status":"estimated","basis":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 81,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions. Covers the recorded building area; the interior has not been independently measured.","sourceUrls":["https://jessenarchitects.com/project/house-of-sweden-embassy/"],"verifiedOn":"2026-10-27"}},"roomEstimate":{"display":"65–155 est.","range":[65,155],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 81,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":81000,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://jessenarchitects.com/project/house-of-sweden-embassy/"],"preparedOn":"2026-10-27"},"metricEstimates":{"rooms":{"display":"65–155 est.","range":[65,155],"status":"estimated","confidence":"low","method":"Planning estimate: rooms = building area × room-area fraction ÷ average room size. For this mixed office, residential and public property, assume 45%–65% of the recorded 81,000 sq ft is enclosed usable room area, with an average 350–550 sq ft per room. The range combines the low fraction with the larger room size and the high fraction with the smaller size, rounded outward to five rooms. Room allocation and average size are assumptions.","formula":"low = floor(A × f_min / s_max / 5) × 5; high = ceil(A × f_max / s_min / 5) × 5","inputs":{"buildingAreaSqft":81000,"roomAreaFraction":[0.45,0.65],"averageRoomSizeSqft":[350,550]},"assumptions":["Covers the recorded building area; the interior has not been independently measured.","Counts enclosed offices, meeting, reception, living, sleeping, kitchen and service rooms. Circulation, stairs, toilets, plant, open-plan workstations, parking and outdoor areas are not individual rooms."],"uncertainty":"Low confidence: allocations and room sizes are assumed; actual partitioning can fall outside this planning range.","sourceUrls":["https://jessenarchitects.com/project/house-of-sweden-embassy/"],"preparedOn":"2026-10-27"}},"propertyId":"chancery","country":"Sweden","slug":"sweden","file":"Sweden.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"pakistan-chancery","sceneId":"chancery","title":"Embassy of the Islamic Republic of Pakistan","address":"3517 International Court NW, Washington, DC 20008","summary":"Nayyar Ali Dada paired a long office block with a lower reception pavilion whose curved roof recalls Lahore Fort. A courtyard of red paving joins the two; the mission moved here in 2003. President Pervez Musharraf inaugurated the chancery in June 2003.","modeled":true,"lat":38.9435,"lon":-77.0682,"coordinateBasis":"Approximate property location from DC cadastral and building records, in WGS84.","constructedYear":2003,"acquiredYear":null,"occupiedYear":2003,"firstDiplomaticUseYear":2003,"architect":"Nayyar Ali Dada","neighborhood":"North Cleveland Park / Van Ness","rooms":75,"floorSqft":48480.65251686059,"siteSqft":50678,"assessment2026":20837430,"parcelIds":["1964    0804"],"sourceUrls":["https://mofa.gov.pk/washington-chancery","https://mofa.gov.pk/washington-timings-visitor-information","https://www.brecorder.com/news/40213770/state-property-in-washington-dc-mofa-to-satisfy-cabinet-on-proposed-sale","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/Buildings/FeatureServer/0","https://commons.wikimedia.org/wiki/File:PakistaniEmbassyWashingtonDC01.jpg","https://mofa.gov.pk/news/pakistan-embassy-celebrates-79th-independence-anniversary-with-historic-unveiling-of-quaid-e-azam-statue-in-washington-2?mission=washington","https://2001-2009.state.gov/r/pa/prs/ps/2003/21981.htm"],"notes":["The U.S. State Department records the inauguration of the new chancery on 25 June 2003, establishing that the building was in place by then. Pakistan’s current ministry page gives June 2004; the construction completion date remains unconfirmed."],"facts":[{"label":"Constructed","value":2003,"display":"2003","status":"documented-by","sourceUrls":["https://2001-2009.state.gov/r/pa/prs/ps/2003/21981.htm","https://mofa.gov.pk/washington-chancery"],"basis":"Contemporary State Department media note dated June 26, 2003 records inauguration of the new Pakistan Chancery on June 25, 2003. This supports construction in place by 2003, not an exact completion date. The current Pakistani ministry page gives June 2004; retain the conflict and prefer contemporary documentary evidence for the event.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Acquired by Pakistan","value":null,"display":"Federal land; lease date unverified","status":"unverified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"note":"DC identifies the United States as landowner. The site acquisition date remains unresolved; opening and construction dates are listed separately.","basis":"","checkedOn":"2026-10-25"},{"label":"Neighborhood","value":"North Cleveland Park / Van Ness","display":"North Cleveland Park / Van Ness","status":"verified","sourceUrls":["https://mofa.gov.pk/washington-timings-visitor-information","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"note":"","basis":"","checkedOn":"2026-10-25"},{"label":"Architect","value":"Nayyar Ali Dada","display":"Nayyar Ali Dada","status":"verified","sourceUrls":["https://mofa.gov.pk/washington-chancery"],"note":"","basis":"","checkedOn":"2026-10-25"},{"label":"Rooms","value":75,"display":"≈75 (est.)","status":"estimated","sourceUrls":["https://mofa.gov.pk/washington-chancery"],"note":"Low-confidence planning estimate, 60–95 rooms. Uses the existing approximate 48,500 sq ft floor area, subtracts about 6,200 sq ft for the large reception hall, allocates 60% of the remainder to enclosed rooms at an assumed 350 sq ft average, then adds the reception hall, auditorium and conference room. Excludes corridors, stairs, toilets and plant rooms. No measured floor plan or official total has been located.","basis":"((48480.65 - 6200) * 0.60 / 350) + 3 = 75.48; rounded to 75. Room sizes are assumed.","checkedOn":"2026-10-26"},{"label":"Floor area","value":48480.65251686059,"display":"≈ 48,500 sq ft","status":"estimated","sourceUrls":["https://mofa.gov.pk/washington-chancery","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/Buildings/FeatureServer/0"],"note":"","basis":"(17*57*4 + 24*24 + 2*6 + 4*10) / 0.09290304; above-grade only.","checkedOn":"2026-10-25"},{"label":"Site area","value":50678,"display":"50,700 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"note":"SSL 1964 0804; LANDAREA 50,678 sq ft.","basis":"","checkedOn":"2026-10-25"},{"label":"2026 Value","value":20837430,"display":"$20,837,430","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"note":"CY1YEAR 2026; ASSESSMENT field for the federally owned parcel.","basis":"","checkedOn":"2026-10-25"},{"label":"First diplomatic use","value":2003,"display":"2003","status":"verified","sourceUrls":["https://www.brecorder.com/news/40213770/state-property-in-washington-dc-mofa-to-satisfy-cabinet-on-proposed-sale"],"note":"","basis":"","checkedOn":"2026-10-25"}],"metricStatus":{"floorSqft":"estimated","siteSqft":"verified","assessment2026":"verified","rooms":"estimated","constructedYear":"documented-by"},"metricSources":{"floorSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"siteSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"assessment2026":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"constructedYear":{"status":"documented-by","basis":"Contemporary State Department media note dated June 26, 2003 records inauguration of the new Pakistan Chancery on June 25, 2003. This supports construction in place by 2003, not an exact completion date. The current Pakistani ministry page gives June 2004; retain the conflict and prefer contemporary documentary evidence for the event.","sourceUrls":["https://2001-2009.state.gov/r/pa/prs/ps/2003/21981.htm","https://mofa.gov.pk/washington-chancery"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"metricScopes":{"floorSqft":"Estimated above-grade area only; not a measured gross total.","siteSqft":"Land area of listed tax parcel(s); square feet.","assessment2026":"2026 DC total assessed value in USD; not market value or diplomatic ownership."},"constructedDisplay":"By 2003","constructedNote":"Occupied in April 2003 and inaugurated in June 2003. The exact construction completion date is not separately established.","owner":"United States of America (DC land record); Pakistan occupies the chancery.","metricEstimates":{"floorSqft":{"method":"GIS-calibrated exterior model floorplates","formula":"(17*57*4 + 24*24 + 2*6 + 4*10) / 0.09290304","rawSqft":48480.65251686059,"scope":"Approximate above-grade floor area. Four office levels plus single-height reception hall, connector and service return. Basement, open court and roof plant excluded.","confidence":"low","sourceUrls":["https://mofa.gov.pk/washington-chancery","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/Buildings/FeatureServer/0"]},"rooms":{"method":"Area-based planning estimate; no floor plan","value":75,"range":[60,95],"confidence":"low","formula":"round(((48480.65 - 6200) * 0.60 / 350) + 3)","assumptions":"Low-confidence planning estimate, 60–95 rooms. Uses the existing approximate 48,500 sq ft floor area, subtracts about 6,200 sq ft for the large reception hall, allocates 60% of the remainder to enclosed rooms at an assumed 350 sq ft average, then adds the reception hall, auditorium and conference room. Excludes corridors, stairs, toilets and plant rooms. No measured floor plan or official total has been located.","sourceUrls":["https://mofa.gov.pk/washington-chancery"]}},"overviewLabel":"Whole chancery","overviewTitle":"Chancery and courtyard","compoundDescription":"The office block, reception pavilion and brick wing frame the open courtyard. Two descending garage approaches flank the court, with the Quaid-e-Azam statue on the pavilion-side median. Select a building to highlight it.","cameraLocations":[{"id":"office","label":"Office block","description":"Seven broad bays and blue tile strips define the office block. An exposed stone basement follows the slope below the brick base; the angled red-brick end contains deeply recessed curved glazing.","sourceUrls":["https://mofa.gov.pk/washington-chancery","https://commons.wikimedia.org/wiki/File:PakistaniEmbassyWashingtonDC01.jpg"]},{"id":"hall","label":"Reception pavilion","description":"The low ceremonial pavilion shelters Jamsheed Marker Hall beneath a roof curved in two directions.","sourceUrls":["https://mofa.gov.pk/washington-chancery"]},{"id":"statue","label":"Quaid-e-Azam statue","description":"The bronze figure of Muhammad Ali Jinnah raises his right hand from the green-topped brick median beside the pavilion garage approach.","sourceUrls":["https://mofa.gov.pk/news/pakistan-embassy-celebrates-79th-independence-anniversary-with-historic-unveiling-of-quaid-e-azam-statue-in-washington-2?mission=washington"]}],"roomsDisplay":"≈75 (est.)","roomsNote":"Low-confidence planning estimate, roughly 60–95 rooms. Uses the existing approximate 48,500 sq ft floor area, subtracts about 6,200 sq ft for the large reception hall, allocates 60% of the remainder to enclosed rooms at an assumed 350 sq ft average, then adds the reception hall, auditorium and conference room. Excludes corridors, stairs, toilets and plant rooms. No measured floor plan or official total has been located.","constructedBasis":"Contemporary State Department media note dated June 26, 2003 records inauguration of the new Pakistan Chancery on June 25, 2003. This supports construction in place by 2003, not an exact completion date. The current Pakistani ministry page gives June 2004; retain the conflict and prefer contemporary documentary evidence for the event.","sources":["pakistan-dawn-inauguration-2003"],"propertyId":"chancery","country":"Pakistan","slug":"pakistan","file":"Pakistan.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"pakistan-residence","sceneId":"residence","title":"Pakistani Ambassador’s Residence","address":"2343 S Street NW, Washington, DC 20008","summary":"The former James B. Aleshire house has three balcony doors beneath carved semicircular panels, a notched slate roof, and a long rear garden. Wood, Donn & Deming designed the brick-and-stone residence in 1909. Pakistan acquired it in 1948 for an early chancery; it later became the ambassador’s residence.","modeled":true,"lat":38.9144,"lon":-77.052006,"coordinateBasis":"Approximate property location from DC cadastral and building records, in WGS84.","constructedYear":1909,"acquiredYear":1948,"occupiedYear":1948,"firstDiplomaticUseYear":1948,"architect":"Wood, Donn & Deming","neighborhood":"Sheridan-Kalorama","rooms":21,"floorSqft":10152,"siteSqft":9750,"assessment2026":5505410,"parcelIds":["2518    0025"],"sourceUrls":["https://commons.wikimedia.org/wiki/File:2343_S_Street,_NW.JPG","https://www.diplomaticaglobal.com/pakistan-history/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://www.realtor.com/realestateandhomes-detail/2343-S-St-NW_Washington_DC_20008_M63189-61213"],"notes":[],"facts":[{"label":"Constructed","value":1909,"display":"1909","status":"verified","sourceUrls":["https://commons.wikimedia.org/wiki/File:2343_S_Street,_NW.JPG"],"note":"","basis":"","checkedOn":"2026-10-25"},{"label":"Acquired by Pakistan","value":1948,"display":"1948","status":"verified","sourceUrls":["https://www.diplomaticaglobal.com/pakistan-history/"],"note":"Reported purchase in March 1948 for chancery use; current Pakistan ownership corroborated by DC.","basis":"","checkedOn":"2026-10-25"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://commons.wikimedia.org/wiki/File:2343_S_Street,_NW.JPG"],"note":"","basis":"","checkedOn":"2026-10-25"},{"label":"Architect","value":"Wood, Donn & Deming","display":"Wood, Donn & Deming","status":"verified","sourceUrls":["https://commons.wikimedia.org/wiki/File:2343_S_Street,_NW.JPG"],"note":"","basis":"","checkedOn":"2026-10-25"},{"label":"Rooms","value":21,"display":"21 (reported)","status":"reported","sourceUrls":["https://www.realtor.com/realestateandhomes-detail/2343-S-St-NW_Washington_DC_20008_M63189-61213"],"note":"Realtor.com property record reports Total Rooms: 21, separately from 15 bedrooms. Published room count; the current diplomatic layout remains unverified. Reviewed 26 October 2026.","basis":"Explicit Total Rooms field, not bedroom count.","checkedOn":"2026-10-26"},{"label":"Floor area","value":10152,"display":"10,200 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"note":"Sum_GBA 10,152; hosted CAMA-derived layer. Alternate commercial listings disagree; DC field retained with scope caveat.","basis":"","checkedOn":"2026-10-25"},{"label":"Site area","value":9750,"display":"9,800 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"note":"SSL 2518 0025; LANDAREA 9,750 sq ft.","basis":"","checkedOn":"2026-10-25"},{"label":"2026 Value","value":5505410,"display":"$5,505,410","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"note":"CY1YEAR 2026; ASSESSMENT 5,505,410 USD.","basis":"","checkedOn":"2026-10-25"},{"label":"First diplomatic use","value":1948,"display":"1948","status":"verified","sourceUrls":["https://www.diplomaticaglobal.com/pakistan-history/"],"note":"1948 is first Pakistani diplomatic use as a chancery. Date of conversion to ambassadorial residential use is unresolved.","basis":"","checkedOn":"2026-10-25"}],"metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"reported"},"metricSources":{"floorSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"siteSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"assessment2026":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=1%3D1&outFields=*&f=json"],"rooms":["https://www.realtor.com/realestateandhomes-detail/2343-S-St-NW_Washington_DC_20008_M63189-61213"]},"metricScopes":{"floorSqft":"Gross building area in DC CAMA-derived record; extraction period not stated by hosted layer.","siteSqft":"Land area of listed tax parcel(s); square feet.","assessment2026":"2026 DC total assessed value in USD; not market value or diplomatic ownership."},"owner":"Government of Pakistan","occupiedNote":"1948 is first Pakistani diplomatic use as a chancery. Date of conversion to ambassadorial residential use is unresolved.","roomsDisplay":"21 (reported)","roomsNote":"Realtor.com property record reports Total Rooms: 21, separately from 15 bedrooms. Publicly reported record, not a survey of the current diplomatic fit-out. Reviewed 26 October 2026.","propertyId":"residence","country":"Pakistan","slug":"pakistan","file":"Pakistan.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"argentina-chancery","sceneId":"chancery","title":"Embassy of the Argentine Republic","address":"1600 New Hampshire Avenue NW, Washington, DC 20009","summary":"Limestone, slate and an angled corner entrance give the former Huff house its French character. Argentina bought the furnished house in February 1913. The curved Oval Hall extends behind the main block, beside an open entrance court.","modeled":true,"facts":[{"label":"Constructed","value":1907,"display":"c. 1907","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/building-and-its-former-owner","https://eeeuu.cancilleria.gob.ar/en/architects"],"note":"Commissioned in 1906; construction began in 1907. The embassy describes the house as six years old at the 1913 purchase. Completion day is unverified.","basis":"","verifiedOn":"2026-10-25"},{"label":"Acquired by Argentina","value":1913,"display":"20 February 1913","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/building-and-its-former-owner"],"note":"Purchase from Henrietta Huff included furniture and rear stables.","basis":"","verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/building-and-its-former-owner"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Architect","value":"Horace Trumbauer; Julian Abele","display":"Horace Trumbauer; Julian Abele","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/architects"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Rooms","value":60,"display":"≈60 rooms (est.)","status":"estimated","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/final_-_pliego_cielo_raso-_file_143-2024-_pintura_cielo_raso_2024_-_ingles.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Estimated enclosed rooms, including bathrooms, kitchens and service rooms; excludes corridors, stairs and closets. Counts enclosed rooms of all functions.","basis":"About 27,000 sq ft gross × 65% usable room area ÷ 300 sq ft average per enclosed room ≈59, rounded to 60. Larger reception halls offset smaller offices and service rooms; plausible range 45–70.","verifiedOn":"2026-10-26"},{"label":"Floor area","value":27000,"display":"≈27,000 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1","https://eeeuu.cancilleria.gob.ar/userfiles/2018/final_-_pliego_cielo_raso-_file_143-2024-_pintura_cielo_raso_2024_-_ingles.pdf"],"note":"Approximate gross floor area, rounded from footprint and floor-count assumptions; allow ±20%.","basis":"Modeled main footprint ≈581 m² × three full levels, plus ≈366 m² within the mansard, ≈310 m² across the lower rear hall and its service level after allowing for overlap, and ≈64 m² across the narrow return. Total ≈2,480 m², rounded to 27,000 sq ft. No additional full-footprint basement is assumed.","verifiedOn":"2026-10-26"},{"label":"Site area","value":9080,"display":"9,080 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"DC parcel 0134 0145; excludes adjoining properties and parking.","basis":"","verifiedOn":"2026-10-25"},{"label":"2026 Value","value":20357320,"display":"$20,357,320","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"CY1YEAR 2026, ASSESSMENT field for parcel 0134 0145. Tax assessment.","basis":"","verifiedOn":"2026-10-25"}],"notes":["The exterior combines the DC footprint, the embassy plan and the supplied street and aerial photographs. Heights, roof details, and concealed elevations are approximate.","The Oval Hall has a documented 15.60 × 9.00 m interior and 25-foot ceiling. Its December 2019 photographic study appears with the portrait salon and dining room under Rooms."],"sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/building-and-its-former-owner","https://eeeuu.cancilleria.gob.ar/en/architects","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1","https://eeeuu.cancilleria.gob.ar/userfiles/2018/final_-_pliego_cielo_raso-_file_143-2024-_pintura_cielo_raso_2024_-_ingles.pdf","https://www.flickr.com/photos/ncindc/3029575621/"],"lat":38.91138,"lon":-77.04232,"neighborhood":"Dupont Circle","floorSqft":27000,"siteSqft":9080,"assessment2026":20357320,"constructedYear":1907,"acquiredYear":1913,"occupiedYear":1913,"rooms":60,"parentPropertyId":"compound","parcelIds":["0134    0145"],"propertyId":"chancery","country":"Argentina","slug":"argentina","file":"Argentina.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"argentina-residence","sceneId":"residence","title":"Argentinian Ambassador’s Residence","address":"1815 Q Street NW, Washington, DC 20009","summary":"The official residence is a separate, deep-plan house west of the chancery. Restoration tenders retain that designation; they do not establish that the ambassador currently lives here.","modeled":true,"facts":[{"label":"Constructed","value":1906,"display":"1906 (survey report)","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf"],"note":"The 2025 tender’s building survey gives 1906; original completion permit not independently located.","basis":"","verifiedOn":"2026-10-25"},{"label":"Acquired by Argentina","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"Present ownership verified; original acquisition instrument not located.","basis":"","verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Architect","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf"],"note":"Survey and tender do not establish original architect.","basis":"","verifiedOn":"2026-10-25"},{"label":"Rooms","value":40,"display":"≈40 rooms (est.)","status":"estimated","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf"],"note":"Estimated enclosed rooms, including bathrooms, kitchens and service rooms; excludes corridors, stairs and closets. Counts enclosed rooms of all functions.","basis":"Approximately 36 distinct enclosed spaces can be identified in the 2025 room-by-room survey after excluding circulation spaces, plus an allowance for unsampled service rooms. Rounded estimate 40; plausible range 35–45. Survey room IDs extend to 59 because halls and other circulation spaces are also numbered.","verifiedOn":"2026-10-26"},{"label":"Floor area","value":18000,"display":"≈18,000 sq ft","status":"estimated","sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Approximate gross floor area, rounded from footprint and floor-count assumptions; allow ±20%. Includes the basement.","basis":"Modeled stepped footprint ≈380 m² × three full levels, plus ≈310 m² basement and ≈240 m² within the mansard, totals ≈1,690 m². Rounded to 18,000 sq ft; includes basement and allows reduced attic floor area.","verifiedOn":"2026-10-26"},{"label":"Site area","value":6188,"display":"6,188 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"DC parcel 0134 0831.","basis":"","verifiedOn":"2026-10-25"},{"label":"2026 Value","value":7808450,"display":"$7,808,450","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"CY1YEAR 2026 ASSESSMENT, parcel 0134 0831.","basis":"","verifiedOn":"2026-10-25"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The November 1973 State diplomatic list places Ambassador Alejandro Orfila at 1815 Q Street. A March 15, 1985 State visit program independently identifies the same address as ambassador residence. Use by 1973 is proven; first occupation is earlier or equal. 1973 list PDF p.9, printed p.11; March 1985 press release PDF p.70, printed program p.4.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.reaganlibrary.gov/public/2024-07/40-668-026-017-2024.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"notes":["The supplied exterior photographs support the three-bay front, long side elevation, balcony and mansard. This proportional study uses the same building assembly as the compound view.","The 2025 plans show basement, first, second, third and attic levels. Restoration notices do not establish current habitation."],"sourceUrls":["https://eeeuu.cancilleria.gob.ar/userfiles/2018/5._pliego_en_ingles.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://eeeuu.cancilleria.gob.ar/en/year-2026","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.reaganlibrary.gov/public/2024-07/40-668-026-017-2024.pdf"],"lat":38.91138,"lon":-77.0428,"neighborhood":"Dupont Circle","floorSqft":18000,"siteSqft":6188,"assessment2026":7808450,"constructedYear":1906,"acquiredYear":null,"occupiedYear":1973,"rooms":40,"parentPropertyId":"compound","metricStatus":{"occupiedYear":"documented-by"},"metricSources":{"occupiedYear":{"status":"documented-by","basis":"The November 1973 State diplomatic list places Ambassador Alejandro Orfila at 1815 Q Street. A March 15, 1985 State visit program independently identifies the same address as ambassador residence. Use by 1973 is proven; first occupation is earlier or equal. 1973 list PDF p.9, printed p.11; March 1985 press release PDF p.70, printed program p.4.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.reaganlibrary.gov/public/2024-07/40-668-026-017-2024.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"occupationBasis":"The November 1973 State diplomatic list places Ambassador Alejandro Orfila at 1815 Q Street. A March 15, 1985 State visit program independently identifies the same address as ambassador residence. Use by 1973 is proven; first occupation is earlier or equal. 1973 list PDF p.9, printed p.11; March 1985 press release PDF p.70, printed program p.4.","parcelIds":["0134    0831"],"propertyId":"residence","country":"Argentina","slug":"argentina","file":"Argentina.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"argentina-sarmiento","sceneId":"sarmiento","title":"Sarmiento Building, Consulate","address":"1811 Q Street NW, Washington, DC 20009","summary":"Embassy tenders identify this building as the consulate and Sarmiento Building. It is immediately west of the chancery.","modeled":true,"facts":[{"label":"Constructed","value":1915,"display":"1915","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0153%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA AYB (average year built) for SSL 0134    0153: 1915. Used as a qualified construction estimate; EYB/effective age is not used.","checkedOn":"2026-10-29"},{"label":"Acquired by Argentina","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"Original acquisition instrument not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Architect","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"Original architect not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Rooms","value":25,"display":"≈25 rooms (est.)","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Estimated enclosed rooms, including bathrooms, kitchens and service rooms; excludes corridors, stairs and closets. Counts enclosed rooms of all functions.","basis":"About 9,000 sq ft gross × 65% usable room area ÷ 235 sq ft average per enclosed room ≈25. Plausible range 20–30, allowing for offices, waiting/meeting rooms and service rooms.","verifiedOn":"2026-10-26"},{"label":"Floor area","value":9000,"display":"≈9,000 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Approximate gross floor area, rounded from footprint and floor-count assumptions; allow ±20%.","basis":"Main footprint about 8 × 25.5 m = 204 m²; three full levels (612 m²), about 150 m² usable mansard floor and about 90 m² across the rear service extension total about 850 m², or 9,150 sq ft. Rounded to 9,000 sq ft; basement not included.","verifiedOn":"2026-10-26"},{"label":"Site area","value":3250,"display":"3,250 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"DC parcel 0134 0153.","basis":"","verifiedOn":"2026-10-25"},{"label":"2026 Value","value":2705890,"display":"$2,705,890","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 ASSESSMENT, parcel 0134 0153.","basis":"","verifiedOn":"2026-10-25"},{"id":"occupied","label":"Diplomatic use","value":2000,"display":"2000","status":"documented-by","basis":"State Department October 2000 Argentina background notes and Summer 2000 diplomatic list identify 1811 Q Street as Argentine consular premises. Record use by 2000, not a precise commencement date. October 2000 background note consular contact section; Summer 2000 Argentina ancillary offices.","sourceUrls":["https://1997-2001.state.gov/background_notes/argentina_0010_bgn.html","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00summer_1.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"notes":["The consulate is modeled from the supplied street and aerial views, with a narrower front, long courtyard side and lower rear service extension. Roof heights and concealed details are estimated."],"sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0153%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/background_notes/argentina_0010_bgn.html","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00summer_1.html"],"lat":38.91136,"lon":-77.04259,"neighborhood":"Dupont Circle","floorSqft":9000,"siteSqft":3250,"assessment2026":2705890,"constructedYear":1915,"acquiredYear":null,"occupiedYear":2000,"rooms":25,"parentPropertyId":"compound","metricStatus":{"constructedYear":"estimated","occupiedYear":"documented-by"},"metricSources":{"constructedYear":{"status":"estimated","basis":"DC CAMA AYB (average year built) for SSL 0134    0153: 1915. Used as a qualified construction estimate; EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0153%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"State Department October 2000 Argentina background notes and Summer 2000 diplomatic list identify 1811 Q Street as Argentine consular premises. Record use by 2000, not a precise commencement date. October 2000 background note consular contact section; Summer 2000 Argentina ancillary offices.","sourceUrls":["https://1997-2001.state.gov/background_notes/argentina_0010_bgn.html","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00summer_1.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"constructedBasis":"DC CAMA AYB (average year built) for SSL 0134    0153: 1915. Used as a qualified construction estimate; EYB/effective age is not used.","parcelIds":["0134    0153"],"occupationBasis":"State Department October 2000 Argentina background notes and Summer 2000 diplomatic list identify 1811 Q Street as Argentine consular premises. Record use by 2000, not a precise commencement date. October 2000 background note consular contact section; Summer 2000 Argentina ancillary offices.","propertyId":"sarmiento","country":"Argentina","slug":"argentina","file":"Argentina.html","propertyCategory":"consular-section","propertyType":"Consular Section"},{"id":"argentina-oas","sceneId":null,"title":"Permanent Mission to the OAS","address":"1816 Corcoran Street NW, Washington, DC 20009","summary":"Argentina’s mission to the Organization of American States occupies a separate building on Corcoran Street. Its multilateral role is distinct from the bilateral embassy.","modeled":false,"facts":[{"label":"Constructed","value":1910,"display":"1910","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA AYB (average year built) for SSL 0134    0142: 1910. Used as a qualified construction estimate; EYB/effective age is not used.","checkedOn":"2026-10-29"},{"label":"Acquired by Argentina","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://www.oas.org/en/member_states/member_state.asp?sCode=ARG"],"note":"Original acquisition instrument not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://www.oas.org/en/member_states/member_state.asp?sCode=ARG"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Architect","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://www.oas.org/en/member_states/member_state.asp?sCode=ARG"],"note":"Original architect not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Rooms","value":30,"display":"30","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Low-confidence estimate for the OAS mission office building, allowing for offices, meeting space, and support rooms. 10,080 sq ft × 0.62 room-floor fraction ÷ 200 sq ft average counted room = about 30 rooms; sensitivity range 20–50. This is not a surveyed inventory.","checkedOn":"2026-10-29"},{"label":"Floor area","value":10080,"display":"10,080 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA commercial record for SSL 0134    0142, building 1, section 1: LIVING_GBA 10080 sq ft. This preserves the assessor living gross building area definition.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Site area","value":6481,"display":"6,481 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC active parcel 0134 0142, LANDAREA 6,481 sq ft; the separately recorded Corcoran Street parking parcel is excluded.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":4209220,"display":"$4,209,220","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"2026 ASSESSMENT for main OAS mission parcel 0134 0142; the separately recorded parking parcel is excluded.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The November 1973 State diplomatic list identifies Argentina Naval Attaché Office at 1816 Corcoran Street. It is now the OAS mission. The documented-by 1973 date refers to Argentine diplomatic use at the property, not commencement of OAS use. PDF p.10, printed p.13.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.cancilleria.gob.ar/es/representaciones/eeoea"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"notes":["Retained as a documented property; detailed geometry remains evidence-blocked."],"sourceUrls":["https://www.oas.org/en/member_states/member_state.asp?sCode=ARG","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.cancilleria.gob.ar/es/representaciones/eeoea","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%2C%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"lat":38.91177,"lon":-77.0424,"neighborhood":"Dupont Circle","floorSqft":10080,"siteSqft":6481,"assessment2026":4209220,"constructedYear":1910,"acquiredYear":null,"occupiedYear":1973,"parcelIds":["0134    0142"],"metricStatus":{"floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","occupiedYear":"documented-by","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"floorSqft":{"status":"verified","basis":"DC CAMA commercial record for SSL 0134    0142, building 1, section 1: LIVING_GBA 10080 sq ft. This preserves the assessor living gross building area definition.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"DC CAMA AYB (average year built) for SSL 0134    0142: 1910. Used as a qualified construction estimate; EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Low-confidence estimate for the OAS mission office building, allowing for offices, meeting space, and support rooms. 10,080 sq ft × 0.62 room-floor fraction ÷ 200 sq ft average counted room = about 30 rooms; sensitivity range 20–50. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The November 1973 State diplomatic list identifies Argentina Naval Attaché Office at 1816 Corcoran Street. It is now the OAS mission. The documented-by 1973 date refers to Argentine diplomatic use at the property, not commencement of OAS use. PDF p.10, printed p.13.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.cancilleria.gob.ar/es/representaciones/eeoea"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"DC active parcel 0134 0142, LANDAREA 6,481 sq ft; the separately recorded Corcoran Street parking parcel is excluded.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"2026 ASSESSMENT for main OAS mission parcel 0134 0142; the separately recorded parking parcel is excluded.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"metricScopes":{"floorSqft":"assessor-living-gross-building-area","rooms":"described-building-scope","siteSqft":"identified-parcel","assessment2026":"identified-parcel"},"floorBasis":"DC CAMA commercial record for SSL 0134    0142, building 1, section 1: LIVING_GBA 10080 sq ft. This preserves the assessor living gross building area definition.","constructedBasis":"DC CAMA AYB (average year built) for SSL 0134    0142: 1910. Used as a qualified construction estimate; EYB/effective age is not used.","rooms":30,"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":10080,"areaRangeSqft":[10080,10080],"roomFloorFraction":[0.55,0.7],"averageRoomSqft":[150,250],"centralRoomFraction":0.62,"centralAverageRoomSqft":200},"calculation":"10080 × 0.62 ÷ 200 = 31.25; rounded to 30.","assumptions":"the OAS mission office building, allowing for offices, meeting space, and support rooms. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":20,"highRooms":50,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270134++++0142%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"occupationBasis":"The November 1973 State diplomatic list identifies Argentina Naval Attaché Office at 1816 Corcoran Street. It is now the OAS mission. The documented-by 1973 date refers to Argentine diplomatic use at the property, not commencement of OAS use. PDF p.10, printed p.13.","siteBasis":"DC active parcel 0134 0142, LANDAREA 6,481 sq ft; the separately recorded Corcoran Street parking parcel is excluded.","propertyId":"oas","country":"Argentina","slug":"argentina","file":"Argentina.html","propertyCategory":"other","propertyType":"Other"},{"id":"argentina-r-street-annex","sceneId":null,"title":"R Street Records Annex","address":"2136 R Street NW, Washington, DC 20008","summary":"A separate Argentine-owned annex. The embassy’s 2026 procurement notices still include maintenance at this address; it is not the official residence or the Sarmiento Building.","modeled":false,"facts":[{"label":"Constructed","value":1911,"display":"1911","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272513++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA AYB (average year built) for SSL 2513    0007: 1911. Used as a qualified construction estimate; EYB/effective age is not used.","checkedOn":"2026-10-29"},{"label":"Acquired by Argentina","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"Original acquisition instrument not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"","basis":"","verifiedOn":"2026-10-25"},{"label":"Architect","value":null,"display":"Not verified","status":"unresolved","sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026"],"note":"Original architect not established.","basis":"","verifiedOn":"2026-10-25"},{"label":"Rooms","value":24,"display":"24","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272513++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC residential CAMA records 24 rooms for parcel 2513 0007. Bedrooms and bathrooms have separate fields; this is the assessor room count, not a current architectural room schedule.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Floor area","value":9802,"display":"9,802 sq ft","status":"reported","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"note":"Secondary republication of public assessor data.","basis":"Reported building area: 7,560 sq ft living area + 2,242 sq ft unfinished basement = 9,802 sq ft. Redfin attributes these fields to county records updated 24 September 2026.","verifiedOn":"2026-10-27"},{"label":"Site area","value":2500,"display":"2,500 sq ft","status":"reported","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"note":"Secondary republication of public assessor data.","basis":"Reported land area for the exact-address parcel 2513/0007.","verifiedOn":"2026-10-27"},{"label":"2026 Value","value":3414040,"display":"$3,414,040","status":"reported","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"note":"Secondary republication of public assessor data.","basis":"Reported 2026 tax assessment: $898,700 land + $2,515,340 improvements = $3,414,040. Assessment from the property’s tax history. Direct assessor confirmation remains pending.","verifiedOn":"2026-10-27"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The November 1973 State list locates Argentina Military Attaché Office at 2136 R Street. The 2024 federal appeals opinion says the building has been uninhabited since 1997 and is used for diplomatic file storage; current 2026 embassy maintenance tenders confirm continued control. Use by 1973 is proven, not uninterrupted residential occupation. 1973 list PDF p.10, printed p.13; Bainbridge opinion, factual background.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://law.justia.com/cases/federal/appellate-courts/cadc/23-7112/23-7112-2024-05-24.html","https://eeeuu.cancilleria.gob.ar/es/periodo-2026"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"notes":["A 2024 federal appeals opinion describes diplomatic file storage here and no habitation since 1997; 2026 embassy maintenance notices confirm continued control.","DC residential CAMA records parcel 2513 0007 with 24 rooms, an estimated 1911 year built, and 7,880 sq ft of gross building area. The separately reported 9,802 sq ft floor total uses a different scope and is retained with its source qualification."],"sourceUrls":["https://eeeuu.cancilleria.gob.ar/en/year-2026","https://tlblog.org/d-c-circuit-rejects-fsia-waiver-exception-to-uphold-immunity-of-sovereign-owned-property/","https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272513++++0007%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://law.justia.com/cases/federal/appellate-courts/cadc/23-7112/23-7112-2024-05-24.html","https://eeeuu.cancilleria.gob.ar/es/periodo-2026"],"lat":38.91247,"lon":-77.04825,"neighborhood":"Dupont Circle","floorSqft":9802,"siteSqft":2500,"assessment2026":3414040,"constructedYear":1911,"acquiredYear":null,"occupiedYear":1973,"rooms":24,"metricStatus":{"rooms":"verified","floorSqft":"reported","siteSqft":"reported","assessment2026":"reported","constructedYear":"estimated","occupiedYear":"documented-by"},"metricSources":{"rooms":{"status":"verified","basis":"DC residential CAMA records 24 rooms for parcel 2513 0007. Bedrooms and bathrooms have separate fields; this is the assessor room count, not a current architectural room schedule.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272513++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"reported","basis":"Reported building area: 7,560 sq ft living area + 2,242 sq ft unfinished basement = 9,802 sq ft. Redfin attributes these fields to county records updated 24 September 2026.","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"verifiedOn":"2026-10-27"},"siteSqft":{"status":"reported","basis":"Reported land area for the exact-address parcel 2513/0007.","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"verifiedOn":"2026-10-27"},"assessment2026":{"status":"reported","basis":"Reported 2026 tax assessment: $898,700 land + $2,515,340 improvements = $3,414,040. Assessment from the property’s tax history. Direct assessor confirmation remains pending.","sourceUrls":["https://www.redfin.com/DC/Washington/2136-R-St-NW-20008/home/9997432"],"verifiedOn":"2026-10-27"},"constructedYear":{"status":"estimated","basis":"DC CAMA AYB (average year built) for SSL 2513    0007: 1911. Used as a qualified construction estimate; EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272513++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The November 1973 State list locates Argentina Military Attaché Office at 2136 R Street. The 2024 federal appeals opinion says the building has been uninhabited since 1997 and is used for diplomatic file storage; current 2026 embassy maintenance tenders confirm continued control. Use by 1973 is proven, not uninterrupted residential occupation. 1973 list PDF p.10, printed p.13; Bainbridge opinion, factual background.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://law.justia.com/cases/federal/appellate-courts/cadc/23-7112/23-7112-2024-05-24.html","https://eeeuu.cancilleria.gob.ar/es/periodo-2026"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"constructedBasis":"DC CAMA AYB (average year built) for SSL 2513    0007: 1911. Used as a qualified construction estimate; EYB/effective age is not used.","parcelIds":["2513    0007"],"occupationBasis":"The November 1973 State list locates Argentina Military Attaché Office at 2136 R Street. The 2024 federal appeals opinion says the building has been uninhabited since 1997 and is used for diplomatic file storage; current 2026 embassy maintenance tenders confirm continued control. Use by 1973 is proven, not uninterrupted residential occupation. 1973 list PDF p.10, printed p.13; Bainbridge opinion, factual background.","propertyCategory":"other","propertyId":"r-street-annex","country":"Argentina","slug":"argentina","file":"Argentina.html","propertyType":"Other"},{"modeled":true,"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated"},"id":"egypt-chancery","sceneId":"chancery","title":"Embassy of the Arab Republic of Egypt","address":"3521 International Court NW, Washington, DC 20008","summary":"Egypt opened this chancery at the International Chancery Center in 1993. A stone pylon marks the entrance, and narrow windows rise to a broad cornice above the office floors.","facts":[{"label":"Constructed","value":1993,"display":"1993","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/1993/06/05/the-faces-of-two-embassies/1fd34778-7a2c-41dc-a44c-2a1605e525c9/"],"basis":"Contemporary June 1993 report identifies the newly completed building. The CAMA AYB field is 1995; the contemporary account takes precedence.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"constructed"},{"label":"Diplomatic use","value":1993,"display":"1993","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/2000/05/13/the-international-center-in-a-world-of-its-own/7b1d6947-c856-45bf-a4de-8b733aefb486/"],"basis":"Retrospective report explicitly dates the opening to 1993.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"occupied"},{"label":"Acquired by Egypt","value":null,"display":"Not verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"The parcel is federally owned. A date for the Egyptian site lease or allocation was not verified. The 1993 opening is not an acquisition date.","status":"unverified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"acquired"},{"label":"Neighborhood","value":"North Cleveland Park","display":"North Cleveland Park","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC ITSPE neighborhood name for the exact parcel; the International Chancery Center is the diplomatic campus.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"neighborhood"},{"label":"Architect","value":"Alan H. Rider, DMJM","display":"Alan H. Rider, DMJM","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/1993/06/05/the-faces-of-two-embassies/1fd34778-7a2c-41dc-a44c-2a1605e525c9/","https://upload.wikimedia.org/wikipedia/commons/3/35/January_18_1990_to_December_13_1990_%28IA_cfaminutes17may1990%29.pdf"],"basis":"Contemporary report credits Alan H. Rider of Daniel, Mann, Johnson & Mendenhall. May 1990 CFA minutes spell the name Allan Ryder.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"architect"},{"label":"Rooms","value":null,"display":"61–128","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"Chancery offices, meeting/reception rooms, kitchens and support spaces: approximately 61–128 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","status":"estimated","checkedOn":"2026-10-29","id":"rooms"},{"label":"Floor area","value":47040,"display":"47,000 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC Commercial CAMA LIVING_GBA for building 1, section 1 on SSL 1964 0811; gross building area in square feet.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"floorArea"},{"label":"Site area","value":37422,"display":"37,400 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC ITSPE LANDAREA for SSL 1964 0811. Excludes adjacent UDC parcel 1964 0812.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"siteArea"},{"label":"2026 Value","value":19090600,"display":"$19.1M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"basis":"Active CY1YEAR/CY2YEAR 2026 ASSESSMENT; land 3,464,150 plus improvements 15,626,450. Current parcel assessment, not sale price, proposed value, or Egyptian leasehold value.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","year":2026,"id":"assessment"}],"notes":["The property occupies federally owned parcel 1964 0811. Current assessment values describe that parcel, not an Egyptian freehold or lease transaction.","The DC UBI spatial join also lists UDC parcel 1964 0812 against the outline. It is excluded from all metrics.","CFA May 1990 minutes describe a preliminary scheme with three levels above grade, two below, a skylit atrium, and a rear terrace. The scheme was not approved at that meeting; these are design-history facts, not an as-built floor inventory."],"sourceUrls":["https://egyptembassy.net/the-embassy/embassy-staff-contacts/egyptian-offices-in-us/","https://www.washingtonpost.com/archive/lifestyle/1993/06/05/the-faces-of-two-embassies/1fd34778-7a2c-41dc-a44c-2a1605e525c9/","https://www.washingtonpost.com/archive/lifestyle/2000/05/13/the-international-center-in-a-world-of-its-own/7b1d6947-c856-45bf-a4de-8b733aefb486/","https://upload.wikimedia.org/wikipedia/commons/3/35/January_18_1990_to_December_13_1990_%28IA_cfaminutes17may1990%29.pdf","https://www.ncpc.gov/files/projects/2020/8153_The_Embassy_of_the_Arab_Republic_of_Egypt_Satellite_Antenna_Installation_Project_Synopsis_Apr2020.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Facility_and_Structure/MapServer/1","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Facility_and_Structure/MapServer/13"],"floorSqft":47040,"siteSqft":37422,"assessment2026":19090600,"acquiredYear":null,"constructedYear":1993,"occupiedYear":1993,"missionFirstOccupied":1993,"floorBasis":"DC gross building area","lat":38.94506903,"lon":-77.06808266,"coordinateBasis":"DC UBI centroid, exact embassy footprint OBJECTID 37796; location cross-checked against NCPC aerial.","constructedDisplay":"1993","acquiredDisplay":"Not verified","occupiedDisplay":"1993","neighborhood":"North Cleveland Park","metricNote":"Federal parcel 1964 0811. Gross building area 47,040 sq ft; current 2026 parcel assessment. No lease acquisition value established.","parcelIds":["1964    0811"],"metricSources":{"floorSqft":{"status":"verified","basis":"DC Commercial CAMA LIVING_GBA for building 1, section 1 on SSL 1964 0811; gross building area in square feet.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"DC ITSPE LANDAREA for SSL 1964 0811. Excludes adjacent UDC parcel 1964 0812.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Active CY1YEAR/CY2YEAR 2026 ASSESSMENT; land 3,464,150 plus improvements 15,626,450. Current parcel assessment, not sale price, proposed value, or Egyptian leasehold value.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Chancery offices, meeting/reception rooms, kitchens and support spaces: approximately 61–128 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"catalogue":true,"firstDiplomaticUseYear":1993,"rooms":null,"metricScopes":{"rooms":"described-building-scope"},"metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":47040,"roomFloorFraction":[0.5,0.65],"averageCountedRoomSqft":[240,380]},"calculation":"47040 × 0.5 / 380 to 47040 × 0.65 / 240 = 61–128 rooms (outward rounded).","assumptions":"Chancery offices, meeting/reception rooms, kitchens and support spaces. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":61,"highRooms":128,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+%3D+%271964++++0811%27&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"61–128","propertyId":"chancery","country":"Egypt","slug":"egypt","file":"Egypt.html","propertyCategory":"chancery","propertyType":"Chancery"},{"modeled":true,"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated"},"id":"egypt-residence","sceneId":"residence","title":"Egyptian Ambassador’s Residence","address":"2301 Massachusetts Avenue NW, Washington, DC 20008","summary":"Glenn Brown designed this house for Joseph Beale, and Egypt acquired it in 1928. Its curved facade faces Sheridan Circle; a circular sitting room and a columned loggia organize the formal reception floor.","facts":[{"label":"Constructed","value":1909,"display":"1907–1909","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0023/data/dc0023data.pdf","https://egyptembassy.net/the-embassy/ambassadors-corner/virtual-tour/"],"basis":"HABS DC-257 gives construction begun April 1907 and completed in 1909; permit 3327 was issued April 23, 1907. Original house only. Current CAMA AYB 2005 does not date the original building.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"constructed"},{"label":"Diplomatic use","value":1928,"display":"1928","sourceUrls":["https://egyptembassy.net/the-embassy/ambassadors-corner/virtual-tour/"],"basis":"The Embassy identifies the house as its official residence since 1928. HABS directories first explicitly list the legation in 1930; acquisition is independently dated November 1928.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"occupied"},{"label":"Acquired by Egypt","value":1928,"display":"1928","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0023/data/dc0023data.pdf"],"basis":"HABS DC-257 cites a deed dated November 19, 1928, recorded November 27, conveying lots 61 and 62 in square 2516 to the Egyptian government for $150,000.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"acquired"},{"label":"Neighborhood","value":"Kalorama","display":"Kalorama","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC ITSPE neighborhood for the main house and adjoining rear parcel.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"neighborhood"},{"label":"Architect","value":"Glenn Brown","display":"Glenn Brown","sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0023/data/dc0023data.pdf"],"basis":"Original architect Glenn Brown; John H. Nolan was the builder. Restoration undertaken 1999–2002; no restoration architect verified.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"architect"},{"label":"Rooms","value":null,"display":"18–47","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Ambassadorial residence with substantial ceremonial rooms and domestic/service spaces: approximately 18–47 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","status":"estimated","checkedOn":"2026-10-29","id":"rooms"},{"label":"Floor area","value":23050,"display":"23,100 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Estate total: main-house parcel 2516 0062 LIVING_GBA 15,160 sq ft plus rear parcel 2516 0061 LIVING_GBA 7,890 sq ft. The figure is not the Beale House alone.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"floorArea"},{"label":"Site area","value":11767,"display":"11,800 sq ft","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json","https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0023/data/dc0023data.pdf"],"basis":"Estate total: 7,406 sq ft on 2516 0062 plus 4,361 sq ft on 2516 0061. HABS records both parcels in the 1928 acquisition. Roads, sidewalk, and unrelated neighboring lots excluded.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","id":"siteArea"},{"label":"2026 Value","value":18135443,"display":"$18.1M","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Current 2026 assessment of both estate parcels: 12,020,143 plus 6,115,300. Combined land 4,147,170 plus improvements 13,988,273. Proposed NEWTOTAL values not used.","status":"verified","note":"","verifiedOn":"2026-10-29","checkedOn":"2026-10-29","year":2026,"id":"assessment"}],"notes":["Estate figures combine the main house at 2301 Massachusetts Avenue and the rear parcel at 2310 Decatur Place. Main-house figures alone are 15,160 sq ft of building area, 7,406 sq ft of land, and a $12,020,143 current 2026 assessment.","The rear building at 2310 Decatur Place served as Egypt’s chancery, documented in the 1990 World Factbook. Its 7,890 sq ft floor area is included once in this estate total. Its current internal use and complete geometry are not independently verified.","HABS identifies a 1907–1909 building, John H. Nolan as builder, and the 1928 deed. The official residence tour dates a restoration campaign to 1999–2002.","The house’s official account gives diplomatic use from 1928; HABS directory evidence lists it as vacant through 1929 and as the Egyptian legation from 1930."],"sourceUrls":["https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0000/dc0023/data/dc0023data.pdf","https://egyptembassy.net/the-embassy/ambassadors-corner/virtual-tour/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json","https://en.wikisource.org/wiki/The_World_Factbook_(1990)/Egypt","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Facility_and_Structure/MapServer/1"],"floorSqft":23050,"siteSqft":11767,"assessment2026":18135443,"acquiredYear":1928,"constructedYear":1909,"occupiedYear":1928,"missionFirstOccupied":1928,"floorBasis":"DC gross building area; main house plus rear estate building","lat":38.91285597,"lon":-77.05101716,"coordinateBasis":"DC UBI main-house footprint centroid, OBJECTID 91070.","constructedDisplay":"1907–1909","acquiredDisplay":"1928","occupiedDisplay":"1928","neighborhood":"Kalorama","metricNote":"Estate total includes both 2516 0062 (main house) and 2516 0061 (rear former chancery). Main house alone: 15,160 sq ft; combined: 23,050 sq ft.","parcelIds":["2516    0061","2516    0062"],"metricSources":{"floorSqft":{"status":"verified","basis":"Estate total: main-house parcel 2516 0062 LIVING_GBA 15,160 sq ft plus rear parcel 2516 0061 LIVING_GBA 7,890 sq ft. The figure is not the Beale House alone.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Estate total: 7,406 sq ft on 2516 0062 plus 4,361 sq ft on 2516 0061. HABS records both parcels in the 1928 acquisition. Roads, sidewalk, and unrelated neighboring lots excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Current 2026 assessment of both estate parcels: 12,020,143 plus 6,115,300. Combined land 4,147,170 plus improvements 13,988,273. Proposed NEWTOTAL values not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/53/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Ambassadorial residence with substantial ceremonial rooms and domestic/service spaces: approximately 18–47 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"catalogue":true,"firstDiplomaticUseYear":1928,"rooms":null,"metricScopes":{"rooms":"described-building-scope"},"metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":23050,"roomFloorFraction":[0.45,0.6],"averageCountedRoomSqft":[300,550]},"calculation":"23050 × 0.45 / 550 to 23050 × 0.6 / 300 = 18–47 rooms (outward rounded).","assumptions":"Ambassadorial residence with substantial ceremonial rooms and domestic/service spaces. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":18,"highRooms":47,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0061%27%2C%272516++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"18–47","propertyId":"residence","country":"Egypt","slug":"egypt","file":"Egypt.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"iraq-chancery","sceneId":"chancery","title":"Embassy of the Republic of Iraq","kind":"chancery","modeled":true,"catalogue":true,"address":"1801 P Street NW, Washington, DC","summary":"Orange Roman brick, a broad arched entrance, and two different balconies distinguish the former Boardman family house at Dupont Circle.","lat":38.90996335029837,"lon":-77.04196766619712,"neighborhood":"Dupont Circle","constructedYear":1890,"occupiedYear":1962,"acquiredYear":1961,"architect":"Hornblower & Marshall","rooms":30,"floorSqft":15930,"siteSqft":10620,"assessment2026":12032070,"sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"notes":["DC inventory dates construction to c.1890; the often repeated 1893 date remains a secondary account.","30 rooms were reported in 2002. Building area is an explicit model estimate, not the same report’s smaller 9,000-square-foot figure.","The current official Arabic contact page places the embassy here. Acquisition in 1961 and documented occupation in 1962 are kept distinct."],"facts":[{"label":"Constructed","value":1890,"display":"c. 1890","status":"verified","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"Circa 1890 in the DC inventory; later secondary accounts give 1893.","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":1962,"display":"1962","status":"documented-by","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"Earliest documented Iraqi use established in this review; not a claim that no earlier diplomatic tenant existed.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Dupont Circle","display":"Dupont Circle","status":"verified","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":"Hornblower & Marshall","display":"Hornblower & Marshall","status":"verified","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":30,"display":"30","status":"reported","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"Total rooms, not bedrooms. Dated report or assessor-derived secondary record.","basis":"","verifiedOn":"2026-10-29"},{"label":"Building area","value":15930,"display":"Approx. 15,930 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Model-derived gross approximation from footprint × occupied floor allowance; not an assessor measurement.","basis":"493.3 m² × 3 floors × 10.7639","verifiedOn":"2026-10-29"},{"label":"Land area","value":10620,"display":"10,620 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":12032070,"display":"$12,032,070","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"Acquired by Iraq","value":1961,"display":"1961","status":"reported","sourceUrls":["https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"note":"Acquisition and diplomatic occupation are separate dates.","basis":"","verifiedOn":"2026-10-29"}],"metricStatus":{"constructedYear":"verified","occupiedYear":"documented-by","neighborhood":"verified","architect":"verified","rooms":"reported","floorSqft":"estimated","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"constructedYear":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"occupiedYear":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"neighborhood":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"architect":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"rooms":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/New%20Inventory%20Sep%202004%2003%2011.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq,_DC.jpg","https://www.washingtonpost.com/archive/politics/2002/10/25/baghdads-low-profile-envoy-remembers-better-days/0c2b5c97-a0e8-462d-8826-86b3771227f6/"],"floorSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"siteSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"assessment2026":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"]},"metricEstimates":{"floorSqft":"493.3 m² × 3 floors × 10.7639"},"parcelIds":["0136    0001"],"propertyId":"chancery","country":"Iraq","slug":"iraq","file":"Iraq.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"iraq-consular","sceneId":"consular","title":"Iraqi Consular Services Building","kind":"consular","modeled":true,"catalogue":true,"address":"3421 Massachusetts Avenue NW, Washington, DC","summary":"A brick Tudor house with white timbering, intersecting gables, and a glazed porch now houses Iraqi consular services.","lat":38.925495874890146,"lon":-77.0681903773487,"neighborhood":"Observatory Circle","constructedYear":1927,"occupiedYear":2008,"acquiredYear":2006,"architect":null,"rooms":14,"floorSqft":5430,"siteSqft":5974,"assessment2026":4443320,"sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271939++++0025%27%29&outFields=%2A&returnGeometry=false&f=json"],"notes":["The official parcel records an October 2006 sale; a later newspaper’s 2007 acquisition date is not used.","Documented as the embassy in 2008 and as the consular section in the current Arabic directory. Exact move dates remain unresolved.","Architect and total room count were not established from the official directory, property records, Commons history, or historic-site inventory."],"facts":[{"label":"Constructed","value":1927,"display":"1927","status":"reported","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"note":"1927 reported in the Commons property history; other accounts say about 1920. Not resolved by a primary building permit.","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"note":"Earliest documented Iraqi use established in this review; not a claim that no earlier diplomatic tenant existed.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"note":"Not established after the source searches listed in the property evidence record.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":14,"display":"14","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271939++++0025%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA residential ROOMS field for SSL 1939    0025, building 1: 14. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Building area","value":5430,"display":"Approx. 5,430 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"note":"Model-derived gross approximation from footprint × occupied floor allowance; not an assessor measurement.","basis":"201.9 m² × 2.5 floor equivalents × 10.7639","verifiedOn":"2026-10-29"},{"label":"Land area","value":5974,"display":"5,974 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":4443320,"display":"$4,443,320","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"Acquired by Iraq","value":2006,"display":"2006","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"Acquisition and diplomatic occupation are separate dates.","basis":"","verifiedOn":"2026-10-29"}],"metricStatus":{"constructedYear":"reported","occupiedYear":"documented-by","neighborhood":"verified","architect":"unverified","rooms":"verified","floorSqft":"estimated","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"constructedYear":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"occupiedYear":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"neighborhood":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"architect":["https://iraqiembassy.us/ar/sfart-jmhwryt-alraq-fy-washntn/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Embassy_of_Iraq_in_Washington,_D.C..jpg"],"rooms":{"status":"verified","basis":"DC CAMA residential ROOMS field for SSL 1939    0025, building 1: 14. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271939++++0025%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1"],"siteSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"assessment2026":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"]},"metricEstimates":{"floorSqft":"201.9 m² × 2.5 floor equivalents × 10.7639"},"parcelIds":["1939    0025"],"metricScopes":{"rooms":"assessor-room-count"},"propertyId":"consular","country":"Iraq","slug":"iraq","file":"Iraq.html","propertyCategory":"consular-section","propertyType":"Consular Section"},{"id":"iraq-residence","sceneId":"residence","title":"Iraqi Ambassador’s Residence","kind":"residence","modeled":true,"catalogue":true,"address":"3006 Albemarle Street NW, Washington, DC","summary":"Known as Beachwoods, this 1910 house stands on a wooded Forest Hills parcel. A 2018 diplomatic invitation identifies it as the ambassador’s residence.","lat":38.947334685675244,"lon":-77.0626279735263,"neighborhood":"Forest Hills","constructedYear":1910,"occupiedYear":2018,"acquiredYear":2009,"architect":null,"rooms":22,"floorSqft":6687,"siteSqft":60296,"assessment2026":9434480,"sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"notes":["Residence use is directly documented in September 2018. Embassy ownership is recorded in 2026; current personal occupancy is not asserted.","The 2008 sales photograph anchors the front elevation. Later alterations and obscured returns are not independently dated.","22 rooms and 6,687 square feet living area come from a secondary assessor transcription; 2003 is an effective construction year, not the original build date."],"facts":[{"label":"Constructed","value":1910,"display":"1910","status":"verified","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":2018,"display":"2018","status":"documented-by","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"Earliest documented Iraqi use established in this review; not a claim that no earlier diplomatic tenant existed.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"verified","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"Not established after the source searches listed in the property evidence record.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":22,"display":"22","status":"reported","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"Total rooms, not bedrooms. Dated report or assessor-derived secondary record.","basis":"","verifiedOn":"2026-10-29"},{"label":"Building area","value":6687,"display":"6,687 sq ft","status":"reported","sourceUrls":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"note":"Reported living area, not gross floor area including basement.","basis":"","verifiedOn":"2026-10-29"},{"label":"Land area","value":60296,"display":"60,296 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":9434480,"display":"$9,434,480","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"Acquired by Iraq","value":2009,"display":"2009","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"Acquisition and diplomatic occupation are separate dates.","basis":"","verifiedOn":"2026-10-29"}],"metricStatus":{"constructedYear":"verified","occupiedYear":"documented-by","neighborhood":"verified","architect":"unverified","rooms":"reported","floorSqft":"reported","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"constructedYear":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"occupiedYear":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"neighborhood":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"architect":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"rooms":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"floorSqft":["https://efile.fara.gov/docs/6344-Informational-Materials-20181011-28.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://washingtonlife.com/issues/may-2008/homelife/page112.php","https://www.countyoffice.org/property-record-3006-albemarle-st-nw-washington-dc-20008-e1d/"],"siteSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"assessment2026":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"]},"parcelIds":["2042    0811"],"propertyId":"residence","country":"Iraq","slug":"iraq","file":"Iraq.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"iraq-woodland","sceneId":null,"title":"Historic Woodland Drive residence","kind":"residence","modeled":false,"catalogue":true,"address":"3110 Woodland Drive NW, Washington, DC","summary":"The 2004 bilateral property agreement identifies this house as Iraq’s ambassadorial residence. Iraq remains the recorded owner; its current use is unresolved.","lat":38.92512707352307,"lon":-77.0631089533155,"neighborhood":"Massachusetts Avenue Heights","constructedYear":1925,"occupiedYear":2004,"acquiredYear":null,"architect":null,"rooms":14,"floorSqft":7780,"siteSqft":44741,"assessment2026":10868860,"sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272124++++0063%27%29&outFields=%2A&returnGeometry=false&f=json"],"notes":["Known property retained in the catalogue without a speculative exterior model. Available parcel and footprint data do not resolve the facade.","The cadastral owner label “Kingdom of Iraq” is a legacy name, not a claim about the present government.","Current occupation, acquisition year, architect, total rooms, and earliest diplomatic tenancy remain unverified."],"facts":[{"label":"Constructed","value":1925,"display":"1925","status":"verified","sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":2004,"display":"2004","status":"documented-by","sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"note":"Earliest documented Iraqi use established in this review; not a claim that no earlier diplomatic tenant existed.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"note":"Not established after the source searches listed in the property evidence record.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":14,"display":"14","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272124++++0063%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA residential ROOMS field for SSL 2124    0063, building 1: 14. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Building area","value":7780,"display":"7,780 sq ft","status":"reported","sourceUrls":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"note":"Reported living area, not gross floor area including basement.","basis":"","verifiedOn":"2026-10-29"},{"label":"Land area","value":44741,"display":"44,741 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":10868860,"display":"$10,868,860","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"note":"2026 DC assessment record; parcel SSL is recorded in the evidence ledger.","basis":"","verifiedOn":"2026-10-29"}],"metricStatus":{"constructedYear":"verified","occupiedYear":"documented-by","neighborhood":"verified","architect":"unverified","rooms":"verified","floorSqft":"reported","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"constructedYear":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"occupiedYear":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"neighborhood":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"architect":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"rooms":{"status":"verified","basis":"DC CAMA residential ROOMS field for SSL 2124    0063, building 1: 14. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272124++++0063%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":["https://2001-2009.state.gov/documents/organization/95887.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://www.redfin.com/DC/Washington/3110-Woodland-Dr-NW-20008/home/9988181"],"siteSqft":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"assessment2026":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"]},"unmodeledTitle":"Historic residence at 3110 Woodland Drive","unmodeledMessage":"The address and Iraqi ownership are documented. An exterior model awaits sufficient facade photographs; the current use is unresolved.","parcelIds":["2124    0063"],"metricScopes":{"rooms":"assessor-room-count"},"propertyId":"woodland","country":"Iraq","slug":"iraq","file":"Iraq.html","propertyCategory":"other","propertyType":"Other"},{"id":"south-africa-chancery","sceneId":"chancery","title":"Embassy of the Republic of South Africa","address":"3051 Massachusetts Avenue NW, Washington, DC 20008","modeled":true,"summary":"John J. Whelan designed the 1936 legation residence and the original 1941 chancery beside it. Davis Brody Bond joined the two in a 2014 modernization, turning the former driveway into a glazed reception hall and converting the residence wing to embassy use.","lat":38.9199777,"lon":-77.0607108,"coordinateBasis":"Approximate WGS84 address point corroborated against DC-owned parcel SSL 2145 0010; not a surveyed entrance.","constructedYear":1936,"constructedDisplay":"1936; 1941; renewed 2014","acquiredYear":null,"occupiedYear":1973,"firstDiplomaticUseYear":null,"architect":"John J. Whelan; Davis Brody Bond (2014)","neighborhood":"Massachusetts Avenue Heights","rooms":100,"floorSqft":54000,"siteSqft":24600,"assessment2026":6751530,"parcelIds":["2145    0010"],"owner":"Republic of South Africa","sourceUrls":["https://dirco.gov.za/washingtondc/the-embassy/","https://www.davisbrodybond.com/the-embassy-of-south-africa","https://jairlynch.com/project/south-african-embassy/","https://synergillc.com/portfolio/south-african-embassy/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"notes":["The 1936 residence wing is part of the present chancery. The current ambassador's residence is a separate property on Rockwood Parkway.","DC's parcel address is 3101 Massachusetts Avenue NW; the embassy's public address is 3051 Massachusetts Avenue NW.","The primary contractor dates a chancery phase to 1963. DC permit records document the original chancery in 1941. These dates refer to different construction evidence; the date and extent of the later phase have not been reconciled.","The modeled monument is a simplified interpretation of Jean Doyle’s Mandela statue, unveiled in 2013. Landscape heights and hidden architectural details are proportional reconstructions."],"facts":[{"label":"Constructed","value":1936,"display":"1936 residence; 1941 chancery; 2014 renewal","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://www.davisbrodybond.com/the-embassy-of-south-africa"],"note":"DC permit 191439 records the legation residence in 1936; permit 248504 records the original chancery in 1941. The primary project page dates the modernization to 2014. Synergi separately cites a 1963 chancery phase.","basis":"","checkedOn":"2026-10-29"},{"label":"Acquired by South Africa","value":null,"display":"Title date not verified","status":"unverified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"The Union of South Africa is named as owner in the 1936 building permit. This establishes ownership by construction, but not the deed or acquisition date.","basis":"","checkedOn":"2026-10-29"},{"label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://dirco.gov.za/washingtondc/the-embassy/"],"note":"DC NBHDNAME; the embassy calls its location Embassy Row.","basis":"","checkedOn":"2026-10-29"},{"label":"Architect","value":"John J. Whelan; Davis Brody Bond","display":"John J. Whelan; Davis Brody Bond","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://www.davisbrodybond.com/the-embassy-of-south-africa"],"note":"Whelan: 1936 residence and original 1941 chancery. Davis Brody Bond: modernization and atrium completed 2014.","basis":"","checkedOn":"2026-10-29"},{"label":"Rooms","value":100,"display":"100","status":"estimated","sourceUrls":["https://www.davisbrodybond.com/the-embassy-of-south-africa"],"basis":"Low-confidence estimate for the chancery office/reception complex, including larger meeting and ceremonial spaces. 54,000 sq ft × 0.58 room-floor fraction ÷ 320 sq ft average counted room = about 100 rooms; sensitivity range 65–145. This is not a surveyed inventory.","checkedOn":"2026-10-29"},{"label":"Floor area","value":54000,"display":"54,000 sq ft","status":"verified","sourceUrls":["https://www.davisbrodybond.com/the-embassy-of-south-africa"],"note":"Architect's whole-project area: 54,000 SF / 5,020 square metres. The 2017 CAMA snapshot's 20,696 sq ft does not capture the same documented renovated scope and is not used as the total.","basis":"Architect's published completed-project total.","checkedOn":"2026-10-29"},{"label":"Site area","value":24600,"display":"24,600 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"LANDAREA for SSL 2145 0010; includes both historic wings and the infill.","basis":"","checkedOn":"2026-10-29"},{"label":"2026 Value","value":6751530,"display":"$6,751,530","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf"],"note":"CY1YEAR and CY2YEAR are 2026; ASSESSMENT is $6,751,530. The OTR TY 2026 report, p. 279, independently gives land of $3,036,130 and improvements of $3,715,400.","basis":"3,036,130 + 3,715,400 = 6,751,530","checkedOn":"2026-10-29"},{"label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"basis":"The November 1973 State diplomatic list identifies South Africa chancery at 3051 Massachusetts Avenue and the photo directory agrees. This is a documented-by bound rather than a claim that occupation began in 1973. Diplomatic List PDF p.53, printed p.97; photo directory PDF p.86.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated","occupiedYear":"documented-by"},"metricSources":{"floorSqft":["https://www.davisbrodybond.com/the-embassy-of-south-africa"],"siteSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"assessment2026":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf"],"rooms":{"status":"estimated","basis":"Low-confidence estimate for the chancery office/reception complex, including larger meeting and ceremonial spaces. 54,000 sq ft × 0.58 room-floor fraction ÷ 320 sq ft average counted room = about 100 rooms; sensitivity range 65–145. This is not a surveyed inventory.","sourceUrls":["https://www.davisbrodybond.com/the-embassy-of-south-africa"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The November 1973 State diplomatic list identifies South Africa chancery at 3051 Massachusetts Avenue and the photo directory agrees. This is a documented-by bound rather than a claim that occupation began in 1973. Diplomatic List PDF p.53, printed p.97; photo directory PDF p.86.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"metricScopes":{"floorSqft":"Completed modernization project total published by architect; not a footprint or above-grade estimate.","siteSqft":"Whole tax parcel SSL 2145 0010, in square feet.","assessment2026":"2026 total assessed land and improvements, USD; not a sale price.","rooms":"described-building-scope"},"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":54000,"areaRangeSqft":[54000,54000],"roomFloorFraction":[0.5,0.65],"averageRoomSqft":[250,400],"centralRoomFraction":0.58,"centralAverageRoomSqft":320},"calculation":"54000 × 0.58 ÷ 320 = 97.87; rounded to 100.","assumptions":"the chancery office/reception complex, including larger meeting and ceremonial spaces. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":65,"highRooms":145,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://www.davisbrodybond.com/the-embassy-of-south-africa"]}},"occupationBasis":"The November 1973 State diplomatic list identifies South Africa chancery at 3051 Massachusetts Avenue and the photo directory agrees. This is a documented-by bound rather than a claim that occupation began in 1973. Diplomatic List PDF p.53, printed p.97; photo directory PDF p.86.","propertyId":"chancery","country":"South Africa","slug":"south-africa","file":"South-Africa.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"south-africa-residence","sceneId":"residence","title":"South African Ambassador’s Residence","address":"4847 Rockwood Parkway NW, Washington, DC 20016","modeled":true,"summary":"This stone-and-stucco house in Spring Valley was built in 2006 and acquired by South Africa in May 2010. Steep tiled roofs, a narrow entrance tower and two projecting stone wings frame the front; the rear opens onto a pool terrace.","lat":38.933570608,"lon":-77.095518464733,"coordinateBasis":"Approximate WGS84 address point within DC tax parcel SSL1512 0035.","constructedYear":2006,"acquiredYear":2010,"occupiedYear":2017,"firstDiplomaticUseYear":null,"architect":null,"neighborhood":"Spring Valley","rooms":19,"floorSqft":10419,"siteSqft":19583,"assessment2026":11268290,"parcelIds":["1512    0035"],"owner":"Republic of South Africa","sourceUrls":["https://washingtonlife.com/embassy-directory-2016/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson","https://www.redfin.com/DC/Washington/4847-Rockwood-Pkwy-NW-20016/home/21648247","https://washingtonian.com/2007/08/03/estate-of-the-week-56/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271512++++0035%27%29&outFields=%2A&returnGeometry=false&f=json"],"notes":["The residence role and exact address are explicitly documented by a Washington Life embassy directory whose URL is dated 2016 and whose embedded heading says 2017; DC's tax extract confirms continuing South African ownership in October 2026. No newer official document stating the ambassador's residential address was located.","Exterior reconstruction uses photographs from the property's pre-acquisition sale listing and DC building footprints. Current finishes and landscape may differ."],"facts":[{"label":"Constructed","value":2006,"display":"2006","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/History_Quest_Bldgs/FeatureServer/0/query?where=OBJECTID%20IN%20(125221%2C119159%2C23049)&outFields=*&returnGeometry=false&f=pjson","https://www.redfin.com/DC/Washington/4847-Rockwood-Pkwy-NW-20016/home/21648247"],"note":"DC HistoryQuest records 2006, citing the DC Office of the Surveyor and Office of Tax and Revenue.","basis":"","checkedOn":"2026-10-29"},{"label":"Acquired by South Africa","value":2010,"display":"17 May 2010","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"DC’s property record gives a sale date of 17 May 2010, a sale price of $6,995,000 and the Republic of South Africa as owner.","basis":"","checkedOn":"2026-10-29"},{"label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"","basis":"","checkedOn":"2026-10-29"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://www.redfin.com/DC/Washington/4847-Rockwood-Pkwy-NW-20016/home/21648247","https://washingtonian.com/2007/08/03/estate-of-the-week-56/"],"note":"Sale listing names Clemens Construction as builder, which does not establish an architect. Washingtonian describes a French eclectic house.","basis":"","checkedOn":"2026-10-29"},{"label":"Rooms","value":19,"display":"19","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271512++++0035%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA residential ROOMS field for SSL 1512    0035, building 1: 19. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Floor area","value":10419,"display":"10,419 sq ft (CAMA)","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson","https://www.redfin.com/DC/Washington/4847-Rockwood-Pkwy-NW-20016/home/21648247"],"note":"DC’s CAMA-derived hosted layer, last edited on 17 April 2017, gives Sum_GBA as 10,419 square feet. Redfin’s public-record area agrees. The advertised 16,000 square feet uses an unstated scope and is not substituted.","basis":"DC CAMA-derived Sum_GBA field; exact inclusions not stated.","checkedOn":"2026-10-29"},{"label":"Site area","value":19583,"display":"19,583 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"LANDAREA for tax parcel SSL 1512 0035.","basis":"","checkedOn":"2026-10-29"},{"label":"2026 Value","value":11268290,"display":"$11,268,290","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf"],"note":"CY1YEAR and CY2YEAR are 2026; ASSESSMENT is $11,268,290. The OTR TY 2026 report, p. 276, independently gives land of $1,614,620 and improvements of $9,653,670.","basis":"1,614,620 + 9,653,670 = 11,268,290","checkedOn":"2026-10-29"},{"label":"Diplomatic use","value":2017,"display":"2017","status":"documented-by","sourceUrls":["https://washingtonlife.com/embassy-directory-2016/"],"basis":"Washington Life identifies Ambassador Mahlangu residence at 4847 Rockwood Parkway. The article URL and publication date say 2016, but the embedded directory heading says 2017; use the later documentary bound conservatively and preserve this discrepancy. No first-occupation year is asserted. South Africa entry; top embedded heading Embassy Directory 2017.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"verified","occupiedYear":"documented-by"},"metricSources":{"floorSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson","https://www.redfin.com/DC/Washington/4847-Rockwood-Pkwy-NW-20016/home/21648247"],"siteSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"assessment2026":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://otr.cfo.dc.gov/sites/default/files/dc/sites/otr/publication/attachments/Exemption_Summary_TY2026.pdf"],"rooms":{"status":"verified","basis":"DC CAMA residential ROOMS field for SSL 1512    0035, building 1: 19. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271512++++0035%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Washington Life identifies Ambassador Mahlangu residence at 4847 Rockwood Parkway. The article URL and publication date say 2016, but the embedded directory heading says 2017; use the later documentary bound conservatively and preserve this discrepancy. No first-occupation year is asserted. South Africa entry; top embedded heading Embassy Directory 2017.","sourceUrls":["https://washingtonlife.com/embassy-directory-2016/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"metricScopes":{"floorSqft":"Gross building area in DC’s 2017 CAMA-derived snapshot; precise inclusions are unspecified.","siteSqft":"Whole tax parcel SSL 1512 0035, in square feet.","assessment2026":"2026 total assessed land and improvements, USD; not a sale price.","rooms":"assessor-room-count"},"occupationBasis":"Washington Life identifies Ambassador Mahlangu residence at 4847 Rockwood Parkway. The article URL and publication date say 2016, but the embedded directory heading says 2017; use the later documentary bound conservatively and preserve this discrepancy. No first-occupation year is asserted. South Africa entry; top embedded heading Embassy Directory 2017.","propertyId":"residence","country":"South Africa","slug":"south-africa","file":"South-Africa.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"south-africa-deputy-residence","sceneId":null,"title":"Deputy Chief of Mission’s Residence","address":"5285 Partridge Lane NW, Washington, DC 20016","modeled":false,"summary":"A November 2023 embassy tender identifies this state-owned house as the deputy chief of mission's official residence. It is separate from the ambassador's Rockwood Parkway residence.","lat":38.933978555228,"lon":-77.108788610021,"constructedYear":1945,"acquiredYear":null,"occupiedYear":1973,"architect":null,"neighborhood":"Kent","rooms":17,"floorSqft":5760,"siteSqft":35246,"assessment2026":5324000,"parcelIds":["1447    0829"],"owner":"Government of South Africa","notes":["This documented property is included in the database. A native exterior model is not available."],"sourceUrls":["https://www.saembassy.org/wp-content/uploads/2023/11/Terms-of-Reference-Roof-Replacement_.pdf","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271447++++0829%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"facts":[{"label":"Constructed","value":1945,"display":"1945","status":"verified","sourceUrls":["https://www.saembassy.org/wp-content/uploads/2023/11/Terms-of-Reference-Roof-Replacement_.pdf"],"note":"Section 2 of the embassy’s November 2023 roof tender states that the house was built in 1945.","basis":"","checkedOn":"2026-10-29"},{"label":"Acquired by South Africa","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://www.saembassy.org/wp-content/uploads/2023/11/Terms-of-Reference-Roof-Replacement_.pdf","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"","basis":"","checkedOn":"2026-10-29"},{"label":"Neighborhood","value":"Kent","display":"Kent","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"","basis":"","checkedOn":"2026-10-29"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":[],"note":"","basis":"","checkedOn":"2026-10-29"},{"label":"Rooms","value":17,"display":"17","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271447++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA residential ROOMS field for SSL 1447    0829, building 1: 17. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"label":"Floor area","value":5760,"display":"5,760 sq ft (CAMA)","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson"],"note":"DC’s 2017 CAMA-derived snapshot gives Sum_GBA as 5,760 square feet; precise inclusions are unspecified.","basis":"","checkedOn":"2026-10-29"},{"label":"Site area","value":35246,"display":"35,246 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"","basis":"","checkedOn":"2026-10-29"},{"label":"2026 Value","value":5324000,"display":"$5,324,000","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"note":"CY1YEAR is 2026; ASSESSMENT is $5,324,000, comprising current land value of $2,430,210 and improvements of $2,893,790.","basis":"","checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The November 1973 State diplomatic list places Minister David V. Louw and his wife at 5285 Partridge Lane. This establishes diplomatic residential use by 1973. It does not independently establish the date the house became specifically the deputy-chief residence. PDF p.53, printed p.97; title date on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"verified","occupiedYear":"documented-by"},"metricSources":{"floorSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,Sum_GBA&returnGeometry=false&f=pjson"],"siteSqft":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"assessment2026":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL%20IN%20(%272145%20%20%20%200010%27%2C%271512%20%20%20%200035%27%2C%271447%20%20%20%200829%27)&outFields=SSL,PREMISEADD,OWNERNAME,LANDAREA,NBHDNAME,SALEDATE,SALEPRICE,ASSESSMENT,PHASELAND,PHASEBUILD,CY1YEAR,CY2YEAR,EXTRACTDAT&returnGeometry=false&f=pjson"],"rooms":{"status":"verified","basis":"DC CAMA residential ROOMS field for SSL 1447    0829, building 1: 17. This is the assessor room count; bathrooms and bedrooms are recorded in separate fields, so it is not a count of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271447++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The November 1973 State diplomatic list places Minister David V. Louw and his wife at 5285 Partridge Lane. This establishes diplomatic residential use by 1973. It does not independently establish the date the house became specifically the deputy-chief residence. PDF p.53, printed p.97; title date on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"metricScopes":{"rooms":"assessor-room-count"},"occupationBasis":"The November 1973 State diplomatic list places Minister David V. Louw and his wife at 5285 Partridge Lane. This establishes diplomatic residential use by 1973. It does not independently establish the date the house became specifically the deputy-chief residence. PDF p.53, printed p.97; title date on PDF p.3.","propertyId":"deputy-residence","country":"South Africa","slug":"south-africa","file":"South-Africa.html","propertyCategory":"other","propertyType":"Other"},{"id":"spain-chancery","sceneId":"chancery","title":"Embassy of the Kingdom of Spain","address":"2375 Pennsylvania Avenue NW, Washington, DC 20037","summary":"Dark glass rises behind the preserved façades of nineteenth century rowhouses. The chancery and consular section occupy the same Pennsylvania Avenue address.","modeled":true,"lat":38.903275,"lon":-77.051086,"constructedYear":1990,"occupiedYear":1991,"acquiredYear":null,"architect":"George Kalimaris","rooms":135,"floorSqft":69461,"siteSqft":11559,"assessment2026":43834730,"facts":[{"label":"Constructed","value":1990,"display":"1990; earlier façades","status":"verified","sourceUrls":["https://citeseerx.ist.psu.edu/document?doi=04d4fc7ab78c8b7cc22c491fdc680a69bf68dd86&repid=rep1&type=pdf","https://commons.wikimedia.org/wiki/File:Embassy_of_Spain_-_Washington,_D.C..JPG"],"note":"1990 delivery of the modern office building; retained rowhouse façades date to the 1880s.","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":1991,"display":"1991 (reported)","status":"estimated","sourceUrls":["https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/"],"note":"Reported move to Pennsylvania Avenue. Some secondary accounts give 1994; this is not treated as a second construction date.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"West End","display":"West End","status":"verified","sourceUrls":["https://commons.wikimedia.org/wiki/File:Embassy_of_Spain_-_Washington,_D.C..JPG"],"note":"The DC assessment neighborhood is Foggy Bottom.","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":"George Kalimaris","display":"George Kalimaris","status":"verified","sourceUrls":["https://citeseerx.ist.psu.edu/document?doi=04d4fc7ab78c8b7cc22c491fdc680a69bf68dd86&repid=rep1&type=pdf"],"note":"Modern building attribution, Architecture of Compromise, printed p. 122. Architects of the retained façades are not established.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":135,"display":"135","status":"estimated","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"basis":"Low-confidence estimate for the chancery office/reception building. 69,461 sq ft × 0.58 room-floor fraction ÷ 300 sq ft average counted room = about 135 rooms; sensitivity range 90–210. This is not a surveyed inventory.","checkedOn":"2026-10-29"},{"label":"Floor area","value":69461,"display":"69,461 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"note":"DC CAMA gross building area, SSL 0038 0040; not inferred from the model.","basis":"","verifiedOn":"2026-10-29"},{"label":"Site area","value":11559,"display":"11,559 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"note":"Assessment land area for SSL 0038 0040, approximately 1,074 m².","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":43834730,"display":"$43,834,730","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"],"note":"DC tax year 2026 assessment, SSL 0038 0040. Tax assessment, not a sale price.","basis":"","verifiedOn":"2026-10-29"}],"notes":["The model distinguishes the retained rowhouse fronts from the office building behind them. The nearby houses at 24th and L Streets are context, not additional Spanish properties.","Exterior proportions follow photographs and the DC footprint. Unseen façade details remain interpretive. The acquisition date is unresolved."],"sourceUrls":["https://citeseerx.ist.psu.edu/document?doi=04d4fc7ab78c8b7cc22c491fdc680a69bf68dd86&repid=rep1&type=pdf","https://commons.wikimedia.org/wiki/File:Embassy_of_Spain_-_Washington,_D.C..JPG","https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateSourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateProvenance":"Point within the DC property-lot polygon; WGS84. Verified 29 October 2026.","catalogueCountable":true,"metricStatus":{"rooms":"estimated","floorSqft":"verified","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"rooms":{"status":"estimated","basis":"Low-confidence estimate for the chancery office/reception building. 69,461 sq ft × 0.58 room-floor fraction ÷ 300 sq ft average counted room = about 135 rooms; sensitivity range 90–210. This is not a surveyed inventory.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"checkedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area, SSL 0038 0040; not inferred from the model.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]},"siteSqft":{"status":"verified","basis":"Assessment land area for SSL 0038 0040, approximately 1,074 m².","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"]},"assessment2026":{"status":"verified","basis":"DC tax year 2026 assessment, SSL 0038 0040. Tax assessment, not a sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"]}},"parcelIds":["0038    0040"],"neighborhood":"West End","poster":"assets/media/7ba43b242bf41bed811048a255d0b2d6a196b6da799ccc2fe4028e55dace51c9.webp","posterRenderer":"storybook-webgl","metricScopes":{"rooms":"described-building-scope"},"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":69461,"areaRangeSqft":[69461,69461],"roomFloorFraction":[0.5,0.65],"averageRoomSqft":[220,380],"centralRoomFraction":0.58,"centralAverageRoomSqft":300},"calculation":"69461 × 0.58 ÷ 300 = 134.29; rounded to 135.","assumptions":"the chancery office/reception building. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":90,"highRooms":210,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]}},"propertyId":"chancery","country":"Spain","slug":"spain","file":"Spain.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"spain-residence","sceneId":"residence","title":"Spanish Ambassador’s Residence","address":"2350 Foxhall Road NW, Washington, DC 20007","summary":"Rafael Moneo arranged brick volumes down a wooded slope, placing ceremonial rooms near the entrance and private accommodation below. Curved vaults and tall clerestories give the principal reception hall its distinctive form.","modeled":true,"lat":38.921684,"lon":-77.089818,"constructedYear":2002,"occupiedYear":2004,"acquiredYear":null,"architect":"Rafael Moneo; Moneo Brock Studio","rooms":45,"floorSqft":42076,"siteSqft":110243,"assessment2026":6390070,"facts":[{"label":"Constructed","value":2002,"display":"1999–2002","status":"verified","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/"],"note":"Architect’s project chronology: design 1995–1999, construction from 1999, project dated 1995–2002. Inauguration occurred in 2004.","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":2004,"display":"2004","status":"verified","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/"],"note":"Opening of the purpose-built residence, separate from construction completion.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"],"note":"","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":"Rafael Moneo; Moneo Brock Studio","display":"Rafael Moneo; Moneo Brock","status":"verified","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/"],"note":"Rafael Moneo with Belén Moneo and Jeff Brock; landscape by Gail Wittwer.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":45,"display":"45","status":"estimated","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"basis":"Low-confidence estimate for the reported main residence scope, with large ceremonial and reception rooms alongside domestic and service rooms. 42,076 sq ft × 0.53 room-floor fraction ÷ 500 sq ft average counted room = about 45 rooms; sensitivity range 25–65. This is not a surveyed inventory.","checkedOn":"2026-10-29"},{"label":"Floor area","value":42076,"display":"≈42,076 sq ft","status":"partial","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"note":"Architect publishes 3,909 m² of project area. DC CAMA lists 14,187 sq ft, apparently a different scope; neither figure is silently reconciled.","basis":"3,909 m² × 10.7639104 sq ft/m². Published project area; gross/internal measurement convention not specified.","verifiedOn":"2026-10-29"},{"label":"Site area","value":110243,"display":"≈110,243 sq ft","status":"estimated","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"],"note":"Mapped whole parcel is about 2.53 acres. Tax extract LANDAREA is 25,469 sq ft and does not match that polygon.","basis":"DC projected parcel area 10,241.9486369 m² × 10.7639104. Geometry-based whole-parcel measure, not Web Mercator area.","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":6390070,"display":"$6,390,070","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"],"note":"DC tax year 2026 assessment, SSL 1382 0839. Recorded assessment may not cover the same area as the architect’s published project figure.","basis":"","verifiedOn":"2026-10-29"}],"notes":["The principal building, entrance court, terraces, and nearby slope are modeled. The wooded western end of the 2.53-acre parcel is outside the detailed scene.","The architect’s acquisition narrative gives 1986; a later history gives 1989. Acquisition is left unresolved. The model is a photographic reconstruction, not a surveyed architectural drawing."],"sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateSourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateProvenance":"Point within the DC property-lot polygon; WGS84. Verified 29 October 2026.","catalogueCountable":true,"metricStatus":{"rooms":"estimated","floorSqft":"partial","siteSqft":"estimated","assessment2026":"verified"},"metricSources":{"rooms":{"status":"estimated","basis":"Low-confidence estimate for the reported main residence scope, with large ceremonial and reception rooms alongside domestic and service rooms. 42,076 sq ft × 0.53 room-floor fraction ÷ 500 sq ft average counted room = about 45 rooms; sensitivity range 25–65. This is not a surveyed inventory.","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"checkedOn":"2026-10-29"},"floorSqft":{"status":"partial","basis":"3,909 m² × 10.7639104 sq ft/m². Published project area; gross/internal measurement convention not specified.","sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]},"siteSqft":{"status":"estimated","basis":"DC projected parcel area 10,241.9486369 m² × 10.7639104. Geometry-based whole-parcel measure, not Web Mercator area.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"]},"assessment2026":{"status":"verified","basis":"DC tax year 2026 assessment, SSL 1382 0839. Recorded assessment may not cover the same area as the architect’s published project figure.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"]}},"parcelIds":["1382    0839"],"metricEstimates":{"siteSqft":{"calculation":"10241.9486369 m² × 10.7639104167 ft²/m² = 110243.244 ft²; rounded to 110,243 ft²","source":"DC Property Lots, SSL 1382 0839","uncertainty":"GIS parcel geometry, distinct from the smaller assessment land-area field"},"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":42076,"areaRangeSqft":[42076,42076],"roomFloorFraction":[0.45,0.6],"averageRoomSqft":[400,650],"centralRoomFraction":0.53,"centralAverageRoomSqft":500},"calculation":"42076 × 0.53 ÷ 500 = 44.60; rounded to 45.","assumptions":"the reported main residence scope, with large ceremonial and reception rooms alongside domestic and service rooms. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":25,"highRooms":65,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://rafaelmoneo.com/proyectos/residencia-del-embajador-de-espana-en-washington/","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]}},"neighborhood":"Berkley","poster":"assets/media/5cc3c0021a6040cf92a7a684a1f696c533eefe2a7c3848775b28f6f0e697f9c8.webp","posterRenderer":"storybook-webgl","metricScopes":{"rooms":"partial"},"propertyId":"residence","country":"Spain","slug":"spain","file":"Spain.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"spain-cultural-office","sceneId":"cultural-office","title":"Cultural Office — Former Embassy and Residence","address":"2801 16th Street NW, Washington, DC 20009","summary":"Mary Foote Henderson commissioned the limestone house as a proposed vice presidential residence. Spain later converted it into an embassy and ambassador’s residence. It now hosts the Cultural Office and SPAIN arts & culture.","modeled":true,"lat":38.925075,"lon":-77.035991,"constructedYear":1923,"occupiedYear":1927,"acquiredYear":null,"architect":"George Oakley Totten Jr.; Jules Henri de Sibour","rooms":35,"floorSqft":34821,"siteSqft":29995,"assessment2026":11134080,"facts":[{"label":"Constructed","value":1923,"display":"1921–1923","status":"partial","sourceUrls":["https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/","https://commons.wikimedia.org/wiki/File:Former_Residence_of_the_Ambassadors_of_Spain.jpg"],"note":"Photographed in 1922; completed by the 1923 offer to the U.S. government. Sources differ on the single completion year.","basis":"","verifiedOn":"2026-10-29"},{"label":"Diplomatic use","value":1927,"display":"1927","status":"verified","sourceUrls":["https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/"],"note":"Contemporary Evening Star report of 8 October 1927 records the ambassador’s move after alterations; some later summaries give 1926.","basis":"","verifiedOn":"2026-10-29"},{"label":"Neighborhood","value":"Meridian Hill","display":"Meridian Hill","status":"verified","sourceUrls":["https://commons.wikimedia.org/wiki/File:Former_Residence_of_the_Ambassadors_of_Spain.jpg"],"note":"DC assessment neighborhood: Columbia Heights.","basis":"","verifiedOn":"2026-10-29"},{"label":"Architect","value":"George Oakley Totten Jr.; Jules Henri de Sibour","display":"G. O. Totten Jr.; J. H. de Sibour","status":"verified","sourceUrls":["https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/","https://commons.wikimedia.org/wiki/File:Former_Residence_of_the_Ambassadors_of_Spain.jpg"],"note":"Totten designed the original house; de Sibour is credited with the Spanish expansion.","basis":"","verifiedOn":"2026-10-29"},{"label":"Rooms","value":35,"display":"35","status":"estimated","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"basis":"Low-confidence estimate for the cultural center, allowing for larger exhibition and performance spaces as well as offices and support rooms. 34,821 sq ft × 0.45 room-floor fraction ÷ 420 sq ft average counted room = about 35 rooms; sensitivity range 20–65. This is not a surveyed inventory.","checkedOn":"2026-10-29"},{"label":"Floor area","value":34821,"display":"34,821 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"note":"DC CAMA gross building area for SSL 2577 0821; parcel has more than one structure.","basis":"","verifiedOn":"2026-10-29"},{"label":"Site area","value":29995,"display":"29,995 sq ft","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"note":"SSL 2577 0821 includes the house, terraces, and rear structures.","basis":"","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":11134080,"display":"$11,134,080","status":"verified","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"],"note":"DC tax year 2026 assessment for SSL 2577 0821; not an acquisition cost.","basis":"","verifiedOn":"2026-10-29"}],"notes":["The former residence and the rear addition are one catalogue property. The scene does not imply that the ambassador currently lives here.","The 1926/1927 acquisition and occupation discrepancy is retained in the evidence record. The contemporary newspaper report supports occupation in October 1927."],"sourceUrls":["https://modernminute.net/2024/04/17/2801-16th-street-nw-cultural-office-of-the-embassy-of-spain/","https://commons.wikimedia.org/wiki/File:Former_Residence_of_the_Ambassadors_of_Spain.jpg","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateSourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"],"coordinateProvenance":"Point within the DC property-lot polygon; WGS84. Verified 29 October 2026.","catalogueCountable":true,"metricStatus":{"rooms":"estimated","floorSqft":"verified","siteSqft":"verified","assessment2026":"verified"},"metricSources":{"rooms":{"status":"estimated","basis":"Low-confidence estimate for the cultural center, allowing for larger exhibition and performance spaces as well as offices and support rooms. 34,821 sq ft × 0.45 room-floor fraction ÷ 420 sq ft average counted room = about 35 rooms; sensitivity range 20–65. This is not a surveyed inventory.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"],"checkedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA gross building area for SSL 2577 0821; parcel has more than one structure.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]},"siteSqft":{"status":"verified","basis":"SSL 2577 0821 includes the house, terraces, and rear structures.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0","https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/DC_Property_Lots/FeatureServer/0"]},"assessment2026":{"status":"verified","basis":"DC tax year 2026 assessment for SSL 2577 0821; not an acquisition cost.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0"]}},"parcelIds":["2577    0821"],"neighborhood":"Meridian Hill","poster":"assets/media/b84c4123fddf26933ddd96dcaee99f9f5a0b1ee25a99c484931e64b8a19b4e56.webp","posterRenderer":"storybook-webgl","metricScopes":{"rooms":"described-building-scope"},"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":34821,"areaRangeSqft":[34821,34821],"roomFloorFraction":[0.35,0.55],"averageRoomSqft":[300,550],"centralRoomFraction":0.45,"centralAverageRoomSqft":420},"calculation":"34821 × 0.45 ÷ 420 = 37.31; rounded to 35.","assumptions":"the cultural center, allowing for larger exhibition and performance spaces as well as offices and support rooms. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":20,"highRooms":65,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/CAMA_OwnerPoly_GBA/FeatureServer/0"]}},"propertyId":"cultural-office","country":"Spain","slug":"spain","file":"Spain.html","propertyCategory":"other","propertyType":"Other"},{"id":"ethiopia-chancery","sceneId":"chancery","title":"Embassy of the Federal Democratic Republic of Ethiopia","address":"3506 International Drive NW, Washington, DC 20008","summary":"A tall stone blade and curved glass pavilion mark Ethiopia’s chancery at the International Chancery Center. Its rear floors descend with the hillside.","modeled":true,"catalogue":true,"facts":[{"label":"Constructed","value":2000,"display":"2000","status":"verified","sourceUrls":["https://ethiopianfood.wordpress.com/2021/08/18/a-visit-to-the-ethiopian-embassy/"],"basis":"Completion/opening year; exact construction interval not established.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"constructed"},{"label":"Acquired by Ethiopia","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://ethiopianembassy.org/about-embassy/","https://www.ncpc.gov/files/projects/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Submission_Materials_5462_Apr2015.pdf","https://cfa.gov/records-research/project-search/cfa-16apr15-d","https://www.washingtonpost.com/archive/lifestyle/2000/05/13/the-international-center-in-a-world-of-its-own/7b1d6947-c856-45bf-a4de-8b733aefb486/","https://ethiopianfood.wordpress.com/2021/08/18/a-visit-to-the-ethiopian-embassy/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0","https://commons.wikimedia.org/wiki/File:Ethiopian_Embassy_Washington_3217.JPG"],"basis":"No verified acquisition or lease commencement date found.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"acquired"},{"label":"Neighborhood","value":"North Cleveland Park","display":"North Cleveland Park","status":"verified","sourceUrls":["https://www.ncpc.gov/files/projects/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Submission_Materials_5462_Apr2015.pdf"],"basis":"Historic district / International Chancery Center setting.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"neighborhood"},{"label":"Architect","value":"RTKL Associates, Rodman Henderer","display":"RTKL Associates, Rodman Henderer","status":"verified","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/2000/05/13/the-international-center-in-a-world-of-its-own/7b1d6947-c856-45bf-a4de-8b733aefb486/"],"basis":"Original building attribution; Wilets Architecture designed the 2015 guardhouse additions.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"architect"},{"label":"Rooms","value":95,"display":"95","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"],"basis":"Low-confidence estimate for six-story chancery offices, meeting/reception space, kitchenettes, and the guardhouse. 45,000 sq ft × 0.58 room-floor fraction ÷ 280 sq ft average counted room = about 95 rooms; sensitivity range 45–160. This is not a surveyed inventory.","checkedOn":"2026-10-29","id":"rooms"},{"label":"Floor area","value":45000,"display":"45,000 sq ft","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"],"basis":"Main chancery and guardhouse estimated at 45,000 sq ft (34,000–53,000); official roof outlines and the documented six-story form support the calculation. Any garage extension beyond the main outline remains unmeasured.","checkedOn":"2026-10-29","id":"floor"},{"label":"Site area","value":28870,"display":"28,870 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%272055++++0813%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CPHASELAND%2CPHASEBUILD%2CCY1YEAR&returnGeometry=true&outSR=26985&f=json"],"basis":"DC owner polygon/assessment record SSL 2055 0813: LANDAREA 28,870 sq ft. The address point and building footprints fall on this mission-specific federal parcel; the United States is the recorded landowner.","checkedOn":"2026-10-29","id":"site","verifiedOn":"2026-10-29"},{"label":"2026 Value","value":18205660,"display":"$18,205,660","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%272055++++0813%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CPHASELAND%2CPHASEBUILD%2CCY1YEAR&returnGeometry=true&outSR=26985&f=json"],"basis":"SSL 2055 0813, CY1YEAR 2026: ASSESSMENT $18,205,660, comprising PHASELAND $4,331,940 and PHASEBUILD $13,873,720. This assesses the federal parcel and improvements, not an Ethiopian fee-simple land interest.","checkedOn":"2026-10-29","id":"assessment","verifiedOn":"2026-10-29"}],"sourceUrls":["https://ethiopianembassy.org/about-embassy/","https://www.ncpc.gov/files/projects/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Submission_Materials_5462_Apr2015.pdf","https://cfa.gov/records-research/project-search/cfa-16apr15-d","https://www.washingtonpost.com/archive/lifestyle/2000/05/13/the-international-center-in-a-world-of-its-own/7b1d6947-c856-45bf-a4de-8b733aefb486/","https://ethiopianfood.wordpress.com/2021/08/18/a-visit-to-the-ethiopian-embassy/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Location/MapServer/0","https://commons.wikimedia.org/wiki/File:Ethiopian_Embassy_Washington_3217.JPG","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%272055++++0813%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CPHASELAND%2CPHASEBUILD%2CCY1YEAR&returnGeometry=true&outSR=26985&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json"],"notes":["The model reconciles the supplied October 2026 overhead and street photographs with published NCPC photographs and drawings. Rooflights, mechanical plant, the recessed glazed link, the pavilion glazing patterns, and the forecourt follow the combined views. Dimensions are proportional estimates.","The NCPC scope confirms six stories and the existing parking garage. Lower floors descend the hillside. The visible side opening pattern is distinct from the eight-bay street facade; obscured rear openings remain inferred. The garage approach follows the prior plan-based placement; detailed underground circulation is not reconstructed.","Parcel area and 2026 assessment are established for SSL 2055 0813. Building and room totals are qualified estimates; the floor-area scope excludes any unmeasured garage extension."],"floorSqft":45000,"siteSqft":28870,"assessment2026":18205660,"constructedYear":2000,"acquiredYear":null,"occupiedYear":2000,"lat":38.94122077362813,"lon":-77.06698038304557,"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"estimated","siteSqft":"verified","assessment2026":"verified","rooms":"estimated"},"metricSources":{"floorSqft":{"status":"estimated","basis":"Main chancery and guardhouse estimated at 45,000 sq ft (34,000–53,000); official roof outlines and the documented six-story form support the calculation. Any garage extension beyond the main outline remains unmeasured.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"DC owner polygon/assessment record SSL 2055 0813: LANDAREA 28,870 sq ft. The address point and building footprints fall on this mission-specific federal parcel; the United States is the recorded landowner.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%272055++++0813%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CPHASELAND%2CPHASEBUILD%2CCY1YEAR&returnGeometry=true&outSR=26985&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"SSL 2055 0813, CY1YEAR 2026: ASSESSMENT $18,205,660, comprising PHASELAND $4,331,940 and PHASEBUILD $13,873,720. This assesses the federal parcel and improvements, not an Ethiopian fee-simple land interest.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40/query?where=SSL+%3D+%272055++++0813%27&outFields=SSL%2CPREMISEADD%2COWNERNAME%2CLANDAREA%2CASSESSMENT%2CPHASELAND%2CPHASEBUILD%2CCY1YEAR&returnGeometry=true&outSR=26985&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Low-confidence estimate for six-story chancery offices, meeting/reception space, kitchenettes, and the guardhouse. 45,000 sq ft × 0.58 room-floor fraction ÷ 280 sq ft average counted room = about 95 rooms; sensitivity range 45–160. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"],"checkedOn":"2026-10-29"}},"coordinateBasis":"Exact DC Master Address Repository address point; not an entrance survey.","neighborhood":"North Cleveland Park","parcelIds":["2055    0813"],"metricScopes":{"siteSqft":"mission-parcel-on-federal-land","assessment2026":"mission-parcel-on-federal-land","floorSqft":"partial","rooms":"partial"},"siteBasis":"DC owner polygon/assessment record SSL 2055 0813: LANDAREA 28,870 sq ft. The address point and building footprints fall on this mission-specific federal parcel; the United States is the recorded landowner.","metricEstimates":{"floorSqft":{"method":"Projected official roof-outline areas × documented occupied levels, adjusted for unequal floor plates and roof-to-wall uncertainty.","inputs":{"projection":"EPSG:26985; square metres converted using 0.09290304 sq m per sq ft","mainFootprintSqft":8588.743855647213,"mainFootprintObjectId":128326,"guardhouseFootprintSqft":845.8912111030161,"guardhouseObjectId":132709,"documentedLevels":6},"calculation":"8,588.744 × 6 × 0.85 + 845.891 × 0.95 = 44,606 sq ft, rounded to 45,000 sq ft.","assumptions":"The 2015 NCPC scope describes six stories descending the hillside. Average enclosed floor plates are assumed to occupy 85% of the main roof outline; the sensitivity test uses 65%–100%. The guardhouse is treated as one floor with 95% of its roof outline enclosed (85%–100% in the bounds). These floor-plate factors are assumptions, not measured floor plans.","exclusions":"Adjacent building polygon 155592 is excluded even though a parcel-boundary sliver intersects it. Excludes open balconies, terraces, canopies, and any parking-garage extension beyond the main roof outline; its unmeasured area is not invented.","confidence":"Low to medium for the enclosed main/guardhouse scope; incomplete for the whole compound.","uncertainty":{"lowSqft":34000,"highSqft":53000,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"]},"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":45000,"areaRangeSqft":[34000,53000],"roomFloorFraction":[0.5,0.65],"averageRoomSqft":[220,350],"centralRoomFraction":0.58,"centralAverageRoomSqft":280},"calculation":"45000 × 0.58 ÷ 280 = 93.21; rounded to 95.","assumptions":"six-story chancery offices, meeting/reception space, kitchenettes, and the guardhouse. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":45,"highRooms":160,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planimetrics_2023/MapServer/1/query?where=OBJECTID%20IN%20(128326%2C132709)&outFields=*&returnGeometry=true&f=json","https://www.ncpc.gov/files/Ethiopian_Embassy_Guard_House_and_Fence_Addition_Scope_of_Work_5462_Apr2015.pdf"]}},"floorBasis":"Main chancery and guardhouse estimated at 45,000 sq ft (34,000–53,000); official roof outlines and the documented six-story form support the calculation. Any garage extension beyond the main outline remains unmeasured.","rooms":95,"propertyId":"chancery","country":"Ethiopia","slug":"ethiopia","file":"Ethiopia.html","propertyCategory":"chancery","propertyType":"Chancery"},{"id":"ethiopia-residence","sceneId":"residence","title":"Ethiopian Ambassador’s Residence","address":"2209 Wyoming Avenue NW, Washington, DC 20008","summary":"The 1912 brick house has a columned porch, a balustraded terrace, and a compound hipped roof. The National Park Service attributes it to Wood, Donn & Deming.","modeled":true,"catalogue":true,"facts":[{"label":"Constructed","value":1912,"display":"1912","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/"],"basis":"Residence construction follows the original nomination.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"constructed"},{"label":"Acquired by Ethiopia","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Ethiopian_ambassador%27s_residence.JPG","https://ethiopianfood.wordpress.com/2021/08/18/a-visit-to-the-ethiopian-embassy/"],"basis":"No verified acquisition or lease commencement date found.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"acquired"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/"],"basis":"Historic district / International Chancery Center setting.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"neighborhood"},{"label":"Architect","value":"Wood, Donn & Deming","display":"Wood, Donn & Deming","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/"],"basis":"Original building attribution; Wilets Architecture designed the 2015 guardhouse additions.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"architect"},{"label":"Rooms","value":15,"display":"15","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Low-confidence estimate for the ambassadorial house, including bedrooms, reception, dining, kitchens, and support rooms. 7,651 sq ft × 0.56 room-floor fraction ÷ 330 sq ft average counted room = about 15 rooms; sensitivity range 5–20. This is not a surveyed inventory.","checkedOn":"2026-10-29","id":"rooms"},{"label":"Floor area","value":7651,"display":"7,651 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA commercial record for SSL 2527    0306, building 1, section 1: LIVING_GBA 7651 sq ft. This preserves the assessor living gross building area definition.","checkedOn":"2026-10-29","id":"floor","verifiedOn":"2026-10-29"},{"label":"Site area","value":14580,"display":"14,580 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"DC parcel LANDAREA; the federal campus parcel is not substituted for an unverified mission lease area.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"site"},{"label":"2026 Value","value":7864340,"display":"$7.86M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"DC current assessment CY1YEAR 2026; not a sale price or acquisition value.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"assessment"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The State Department November 1973 diplomatic photo directory places Ambassador Kifle Wodajo at 2209 Wyoming Avenue. This proves diplomatic residential use by 1973; the May 1972 date printed beneath his name is his appointment, not a property use date. PDF p.27; introduction dated November 1973 on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:Ethiopian_ambassador%27s_residence.JPG","https://ethiopianfood.wordpress.com/2021/08/18/a-visit-to-the-ethiopian-embassy/","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"notes":["Documented as the ambassador’s residence in dated sources; Ethiopian ownership remains recorded in the current parcel data. Current occupancy has not been independently inspected.","The supplied street photographs establish the front facade and porch. Opposing overhead views establish the L-shaped footprint, projecting side bays, seven main-house dormers, notched membrane roof, rear portico, and detached outbuilding. Dimensions and obscured side openings remain estimates."],"floorSqft":7651,"siteSqft":14580,"assessment2026":7864340,"constructedYear":1912,"acquiredYear":null,"occupiedYear":1973,"lat":38.91723692712539,"lon":-77.05003897466005,"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","rooms":"estimated","occupiedYear":"documented-by"},"metricSources":{"floorSqft":{"status":"verified","basis":"DC CAMA commercial record for SSL 2527    0306, building 1, section 1: LIVING_GBA 7651 sq ft. This preserves the assessor living gross building area definition.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"Exact owner parcel, not a whole campus or inferred floor area.","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"Exact owner parcel, not a whole campus or inferred floor area.","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Low-confidence estimate for the ambassadorial house, including bedrooms, reception, dining, kitchens, and support rooms. 7,651 sq ft × 0.56 room-floor fraction ÷ 330 sq ft average counted room = about 15 rooms; sensitivity range 5–20. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The State Department November 1973 diplomatic photo directory places Ambassador Kifle Wodajo at 2209 Wyoming Avenue. This proves diplomatic residential use by 1973; the May 1972 date printed beneath his name is his appointment, not a property use date. PDF p.27; introduction dated November 1973 on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"parcelIds":["2527    0306"],"coordinateBasis":"Approximate interior point of exact DC owner polygon.","neighborhood":"Kalorama","metricScopes":{"floorSqft":"assessor-living-gross-building-area","rooms":"described-building-scope"},"floorBasis":"DC CAMA commercial record for SSL 2527    0306, building 1, section 1: LIVING_GBA 7651 sq ft. This preserves the assessor living gross building area definition.","rooms":15,"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":7651,"areaRangeSqft":[7651,7651],"roomFloorFraction":[0.5,0.62],"averageRoomSqft":[250,420],"centralRoomFraction":0.56,"centralAverageRoomSqft":330},"calculation":"7651 × 0.56 ÷ 330 = 12.98; rounded to 15.","assumptions":"the ambassadorial house, including bedrooms, reception, dining, kitchens, and support rooms. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":5,"highRooms":20,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0306%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"occupationBasis":"The State Department November 1973 diplomatic photo directory places Ambassador Kifle Wodajo at 2209 Wyoming Avenue. This proves diplomatic residential use by 1973; the May 1972 date printed beneath his name is his appointment, not a property use date. PDF p.27; introduction dated November 1973 on PDF p.3.","propertyId":"residence","country":"Ethiopia","slug":"ethiopia","file":"Ethiopia.html","propertyCategory":"residence","propertyType":"Ambassador’s Residence"},{"id":"ethiopia-former-chancery","sceneId":null,"title":"Former Ethiopian Chancery","address":"2134 Kalorama Road NW, Washington, DC 20008","summary":"The State Department documented this Kalorama Road house as Ethiopia’s chancery by 1973, before the move to International Drive. It remains in Ethiopian ownership in the inspected DC parcel record.","modeled":false,"catalogue":true,"facts":[{"label":"Constructed","value":1923,"display":"1923","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA AYB (average year built) for SSL 2527    0830: 1923. Used as a qualified construction estimate; EYB/effective age is not used.","checkedOn":"2026-10-29","id":"constructed"},{"label":"Acquired by Ethiopia","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://1997-2001.state.gov/background_notes/ethiopia_0398_bgn.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:2134_Kalorama_Road_NW.jpg"],"basis":"No verified acquisition or lease commencement date found.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"acquired"},{"label":"Neighborhood","value":"Sheridan-Kalorama","display":"Sheridan-Kalorama","status":"verified","sourceUrls":["https://npgallery.nps.gov/GetAsset/b7e55da2-fbd2-49e0-8e2a-6bd81d066c2c/"],"basis":"Historic district / International Chancery Center setting.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"neighborhood"},{"label":"Architect","value":null,"display":"Not verified","status":"unverified","sourceUrls":["https://1997-2001.state.gov/background_notes/ethiopia_0398_bgn.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:2134_Kalorama_Road_NW.jpg"],"basis":"Original architect not independently verified. The 2015 Wilets Architecture attribution belongs to the current chancery guardhouse and does not establish the architect of this Kalorama Road property.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"architect"},{"label":"Rooms","value":15,"display":"15","status":"estimated","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"Low-confidence estimate for the former house/chancery building, with mixed domestic and office-sized enclosed rooms. 5,588 sq ft × 0.58 room-floor fraction ÷ 230 sq ft average counted room = about 15 rooms; sensitivity range 5–25. This is not a surveyed inventory.","checkedOn":"2026-10-29","id":"rooms"},{"label":"Floor area","value":5588,"display":"5,588 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"basis":"DC CAMA commercial record for SSL 2527    0830, building 1, section 1: LIVING_GBA 5588 sq ft. This preserves the assessor living gross building area definition.","checkedOn":"2026-10-29","id":"floor","verifiedOn":"2026-10-29"},{"label":"Site area","value":18249,"display":"18,249 sq ft","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"DC parcel LANDAREA; the federal campus parcel is not substituted for an unverified mission lease area.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"site"},{"label":"2026 Value","value":5358860,"display":"$5.36M","status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"DC current assessment CY1YEAR 2026; not a sale price or acquisition value.","note":"","checkedOn":"2026-10-29","verifiedOn":"2026-10-29","id":"assessment"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The State Department November 1973 diplomatic photo directory labels 2134 Kalorama Road as Ethiopia chancery. This establishes use by 1973, without identifying the first year. PDF p.27; introduction dated November 1973 on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://1997-2001.state.gov/background_notes/ethiopia_0398_bgn.html","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40","https://commons.wikimedia.org/wiki/File:2134_Kalorama_Road_NW.jpg","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"notes":["Historical chancery record; present diplomatic function and first occupancy date are not verified. No unsupported 3D reconstruction is supplied."],"floorSqft":5588,"siteSqft":18249,"assessment2026":5358860,"constructedYear":1923,"acquiredYear":null,"occupiedYear":1973,"lat":38.91792460192709,"lon":-77.04939387359485,"assessmentJurisdiction":"District of Columbia","metricStatus":{"floorSqft":"verified","siteSqft":"verified","assessment2026":"verified","constructedYear":"estimated","rooms":"estimated","occupiedYear":"documented-by"},"metricSources":{"floorSqft":{"status":"verified","basis":"DC CAMA commercial record for SSL 2527    0830, building 1, section 1: LIVING_GBA 5588 sq ft. This preserves the assessor living gross building area definition.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"Exact owner parcel, not a whole campus or inferred floor area.","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/40"],"basis":"Exact owner parcel, not a whole campus or inferred floor area.","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"DC CAMA AYB (average year built) for SSL 2527    0830: 1923. Used as a qualified construction estimate; EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Low-confidence estimate for the former house/chancery building, with mixed domestic and office-sized enclosed rooms. 5,588 sq ft × 0.58 room-floor fraction ÷ 230 sq ft average counted room = about 15 rooms; sensitivity range 5–25. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The State Department November 1973 diplomatic photo directory labels 2134 Kalorama Road as Ethiopia chancery. This establishes use by 1973, without identifying the first year. PDF p.27; introduction dated November 1973 on PDF p.3.","sourceUrls":["https://www.fordlibrarymuseum.gov/library/document/0018/81556649.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"kind":"former-chancery","parcelIds":["2527    0830"],"coordinateBasis":"Approximate interior point of exact DC owner polygon.","neighborhood":"Kalorama","metricScopes":{"floorSqft":"assessor-living-gross-building-area","rooms":"described-building-scope"},"floorBasis":"DC CAMA commercial record for SSL 2527    0830, building 1, section 1: LIVING_GBA 5588 sq ft. This preserves the assessor living gross building area definition.","constructedBasis":"DC CAMA AYB (average year built) for SSL 2527    0830: 1923. Used as a qualified construction estimate; EYB/effective age is not used.","rooms":15,"metricEstimates":{"rooms":{"method":"Use-specific area model with explicit sensitivity bounds.","inputs":{"buildingAreaSqft":5588,"areaRangeSqft":[5588,5588],"roomFloorFraction":[0.5,0.65],"averageRoomSqft":[180,300],"centralRoomFraction":0.58,"centralAverageRoomSqft":230},"calculation":"5588 × 0.58 ÷ 230 = 14.09; rounded to 15.","assumptions":"the former house/chancery building, with mixed domestic and office-sized enclosed rooms. The assumed mean includes smaller service rooms and larger reception or meeting rooms.","exclusions":"Circulation, stairs, lifts, wall thickness, open terraces, parking, and major plant space are removed through the room-floor fraction. Offices, bedrooms where applicable, enclosed reception/meeting rooms, kitchens, and support rooms are counted; toilets are excluded. No second gross-to-net deduction is applied.","confidence":"Low; no complete interior room schedule.","uncertainty":{"lowRooms":5,"highRooms":25,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272527++++0830%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"occupationBasis":"The State Department November 1973 diplomatic photo directory labels 2134 Kalorama Road as Ethiopia chancery. This establishes use by 1973, without identifying the first year. PDF p.27; introduction dated November 1973 on PDF p.3.","databaseOnly":true,"propertyId":"former-chancery","country":"Ethiopia","slug":"ethiopia","file":"Ethiopia.html","propertyCategory":"other","propertyType":"Other"},{"slug":"peru","propertyId":"2141-wisconsin-ave-nw","title":"Military, Naval, and Air Attaché Offices","propertyCategory":"other","address":"2141 Wisconsin Ave NW, Washington, DC — units A, B, F, J, K","parcelIds":["1299    2187","1299    2188","1299    2192","1299    2196","1299    2197","1299    2214","1299    2219","1299    2241","1299    2242","1299    2243","1299    2244","1299    2245","1299    2246","1299    2247","1299    2250","1299    2251","1299    2252","1299    2253","1299    2254","1299    2255","1299    2260","1299    2263","1299    2264","1299    2265","1299    2266"],"landOnly":false,"id":"peru-2141-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6722,"display":"6,722 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4791550,"display":"$4,791,550","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":11400,"display":"11,400 sq ft","status":"estimated","basis":"Five owned office units estimated at 11,400 sq ft (sensitivity 9,000–14,000). Two units have 4,461 sq ft of recorded area; the remaining units are scaled by their condominium land shares. Parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1941,"display":"1941","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"16–45","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 16–45 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","basis":"State Department 2008 Diplomatic List identifies Air Attache suite A, Military Attache suite F, and Naval Commissioner and Attache suite J at 2141 Wisconsin. Preserve owned unit scope; do not describe the entire condominium building as Peruvian.","sourceUrls":["https://2009-2017.state.gov/documents/organization/111802.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/documents/organization/111802.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF PERU"],"acquiredYear":null,"occupiedYear":2008,"notes":["State Department 2008 Diplomatic List identifies Air Attache suite A, Military Attache suite F, and Naval Commissioner and Attache suite J at 2141 Wisconsin. Preserve owned unit scope; do not describe the entire condominium building as Peruvian."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"estimated","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"estimated","basis":"Five owned office units estimated at 11,400 sq ft (sensitivity 9,000–14,000). Two units have 4,461 sq ft of recorded area; the remaining units are scaled by their condominium land shares. Parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 16–45 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%2C%271299++++2214%27%2C%271299++++2219%27%2C%271299++++2241%27%2C%271299++++2242%27%2C%271299++++2243%27%2C%271299++++2244%27%2C%271299++++2245%27%2C%271299++++2246%27%2C%271299++++2247%27%2C%271299++++2250%27%2C%271299++++2251%27%2C%271299++++2252%27%2C%271299++++2253%27%2C%271299++++2254%27%2C%271299++++2255%27%2C%271299++++2260%27%2C%271299++++2263%27%2C%271299++++2264%27%2C%271299++++2265%27%2C%271299++++2266%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"State Department 2008 Diplomatic List identifies Air Attache suite A, Military Attache suite F, and Naval Commissioner and Attache suite J at 2141 Wisconsin. Preserve owned unit scope; do not describe the entire condominium building as Peruvian.","sourceUrls":["https://2009-2017.state.gov/documents/organization/111802.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":6722,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-office-units-estimated","rooms":"described-building-scope"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":4791550,"floorSqft":11400,"floorBasis":"Five owned office units estimated at 11,400 sq ft (sensitivity 9,000–14,000). Two units have 4,461 sq ft of recorded area; the remaining units are scaled by their condominium land shares. Parking is excluded.","constructedYear":1941,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"State Department 2008 Diplomatic List identifies Air Attache suite A, Military Attache suite F, and Naval Commissioner and Attache suite J at 2141 Wisconsin. Preserve owned unit scope; do not describe the entire condominium building as Peruvian.","functionBasis":"State Department 2008 Diplomatic List identifies Air Attache suite A, Military Attache suite F, and Naval Commissioner and Attache suite J at 2141 Wisconsin. Preserve owned unit scope; do not describe the entire condominium building as Peruvian.","metricEstimates":{"floorSqft":{"method":"Scale the recorded floor areas of two measured units by the allocated land shares of all five owned office units.","inputs":{"measuredUnits":["A","F"],"measuredAreaSqft":4461,"measuredAllocatedLandSqft":2220,"fiveOfficeUnitsAllocatedLandSqft":5659},"calculation":"4461 / 2220 × 5659 = 11,371 sq ft, rounded to 11,400 sq ft.","assumptions":"Allocated condominium land shares are approximately proportional to office area within this building. This proportionality is unverified; units B, J and K lack usable recorded areas.","exclusions":"Twenty parking interests are excluded from floor area. Their separate land shares and assessments remain included in the owned-interest totals.","confidence":"Low; two measured units support the ratio, three are estimated.","uncertainty":{"lowSqft":9000,"highSqft":14000,"interpretation":"Sensitivity allowance of roughly 20–25 percent for nonproportional unit shares; not a measured interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"]},"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":11400,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"11400 × 0.5 / 350 to 11400 × 0.7 / 180 = 16–45 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":16,"highRooms":45,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++2187%27%2C%271299++++2188%27%2C%271299++++2192%27%2C%271299++++2196%27%2C%271299++++2197%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"16–45","country":"Peru","file":"Peru.html","propertyType":"Other"},{"slug":"peru","propertyId":"2150-wisconsin-ave-nw","title":"Government-owned property","propertyCategory":"other","address":"2150 Wisconsin Ave NW, Washington, DC","parcelIds":["1300    2100","1300    2122","1300    2123","1300    2124"],"landOnly":false,"id":"peru-2150-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Glover Park","display":"Glover Park","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2015,"display":"2,015 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1298940,"display":"$1,298,940","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2198,"display":"2,198 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1300    2100 building 1 section 1: 2,198 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1987,"display":"1987","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF PERU"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Glover Park","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1300    2100 building 1 section 1: 2,198 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271300++++2100%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271300++++2100%27%2C%271300++++2122%27%2C%271300++++2123%27%2C%271300++++2124%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":2015,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":1298940,"floorSqft":2198,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1300    2100 building 1 section 1: 2,198 sq ft (commercial)","constructedYear":1987,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Peru","file":"Peru.html","propertyType":"Other"},{"slug":"kazakhstan","propertyId":"1529-o-st-nw","title":"Government-owned property","propertyCategory":"other","address":"1529 O St NW, Washington, DC","parcelIds":["0195    0080"],"landOnly":false,"id":"kazakhstan-1529-o-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2050,"display":"2,050 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1675200,"display":"$1,675,200","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2054,"display":"2,054 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0195    0080 building 1: 2,054 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1890,"display":"1890","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":9,"display":"9","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF KAZAKHSTAN"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0195    0080 building 1: 2,054 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0080%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":2050,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1675200,"floorSqft":2054,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0195    0080 building 1: 2,054 sq ft (residential)","constructedYear":1890,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":9,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Kazakhstan","file":"Kazakhstan.html","propertyType":"Other"},{"slug":"kazakhstan","propertyId":"1407-16th-st-nw","title":"Government-owned parcel","propertyCategory":"other","address":"1407 16th St NW, Washington, DC","parcelIds":["0195    0824"],"landOnly":true,"id":"kazakhstan-1407-16th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":3625,"display":"3,625 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3135410,"display":"$3,135,410","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF KAZAKHSTAN"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"not-applicable","constructedYear":"not-applicable","rooms":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270195++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":3625,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3135410,"floorSqft":null,"floorBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","constructedYear":null,"constructedBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Kazakhstan","file":"Kazakhstan.html","propertyType":"Other"},{"slug":"cuba","propertyId":"2639-16th-st-nw","title":"Consular Section","propertyCategory":"consular-section","address":"2639 16th St NW, Washington, DC","parcelIds":["2574    0808"],"landOnly":false,"id":"cuba-2639-16th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Columbia Heights","display":"Columbia Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":3094,"display":"3,094 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":992910,"display":"$992,910","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2220,"display":"2,220 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2574    0808 building 1 section 1: 2,220 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1907,"display":"1907","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"3–9","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 3–9 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1948,"display":"1948","status":"documented-by","basis":"The Cuban Embassy’s diplomatic note of 5 March 1948 enclosed a consular directory that lists 2639 16th Street NW as the Washington consulate’s official address. This documents consular use at the site by 1948, not an opening date or continuous use through later breaks in relations.","sourceUrls":["https://www.latinamericanstudies.org/embassy/consulates-1948.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json","https://misiones.cubaminrex.cu/es/eeuu/servicios-consulares","https://misiones.cubaminrex.cu/en/usa/consular-services","https://211la.org/agencies/HxPVKbED5F0eGGXytAqrd0Hrm5O2E/cuban-interests-section-in-the-united-states","https://migrantusa.com/es/consulados/tramites-por-pais/cuba/antecedentes-penales/","https://www.latinamericanstudies.org/embassy/consulates-1948.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF CUBA"],"acquiredYear":null,"occupiedYear":1948,"notes":["Proposed consular classification; exact street address is independently corroborated by current nonprofit service directory and recent transcription of official 2024 notice, but the official page was unavailable during this attempt.","The official current consular page could not be retrieved; the address is corroborated by the current nonprofit service directory and earlier consular records."],"neighborhood":"Columbia Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2574    0808 building 1 section 1: 2,220 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 3–9 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Cuban Embassy’s diplomatic note of 5 March 1948 enclosed a consular directory that lists 2639 16th Street NW as the Washington consulate’s official address. This documents consular use at the site by 1948, not an opening date or continuous use through later breaks in relations.","sourceUrls":["https://www.latinamericanstudies.org/embassy/consulates-1948.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":3094,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":992910,"floorSqft":2220,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2574    0808 building 1 section 1: 2,220 sq ft (commercial)","constructedYear":1907,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The Cuban Embassy’s diplomatic note of 5 March 1948 enclosed a consular directory that lists 2639 16th Street NW as the Washington consulate’s official address. This documents consular use at the site by 1948, not an opening date or continuous use through later breaks in relations.","functionBasis":"Proposed consular classification; exact street address is independently corroborated by current nonprofit service directory and recent transcription of official 2024 notice, but the official page was unavailable during this attempt.","functionStatus":"reported-consular-use","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":2220,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"2220 × 0.5 / 350 to 2220 × 0.7 / 180 = 3–9 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":3,"highRooms":9,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272574++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"3–9","country":"Cuba","file":"Cuba.html","propertyType":"Consular Section"},{"slug":"france","propertyId":"kalorama-rd-nw","title":"Government-owned land","propertyCategory":"other","address":"Kalorama Rd NW, Washington, DC (Square 2526, lots 0833, 0834, 0003, 0001)","parcelIds":["2526    0001","2526    0003","2526    0833","2526    0834"],"landOnly":true,"id":"france-kalorama-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":31785,"display":"31,785 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":6281980,"display":"$6,281,980","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF FRANCE"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"not-applicable","constructedYear":"not-applicable","rooms":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0001%27%2C%272526++++0003%27%2C%272526++++0833%27%2C%272526++++0834%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":31785,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":6281980,"floorSqft":null,"floorBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","constructedYear":null,"constructedBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"France","file":"France.html","propertyType":"Other"},{"slug":"korea","propertyId":"massachusetts-ave-nw-lot-0820","title":"Government-owned property","propertyCategory":"other","address":"Massachusetts Ave NW, Washington, DC (Square 2507, lot 0820)","parcelIds":["2507    0820"],"landOnly":false,"id":"korea-massachusetts-ave-nw-lot-0820","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5000,"display":"5,000 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":6770170,"display":"$6,770,170","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":10000,"display":"10,000 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0820 building 1 section 1: 10,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1907,"display":"1907","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF KOREA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0820 building 1 section 1: 10,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":5000,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":6770170,"floorSqft":10000,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0820 building 1 section 1: 10,000 sq ft (commercial)","constructedYear":1907,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Republic of Korea","file":"Korea.html","propertyType":"Other"},{"slug":"korea","propertyId":"2320-massachusetts-ave-nw","title":"Consular Section","propertyCategory":"consular-section","address":"2320 Massachusetts Ave NW, Washington, DC","parcelIds":["2507    0060"],"landOnly":false,"id":"korea-2320-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":21709,"display":"21,709 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":17468680,"display":"$17,468,680","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":15000,"display":"15,000 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0060 building 1 section 1: 15,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1960,"display":"1960","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"21–59","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 21–59 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1949,"display":"1949","status":"verified","basis":"Official February 9, 2026 plaque notice explicitly names 2320 Massachusetts Avenue as the first ROK Embassy opened in 1949. The Korean version makes the same association; official mission history dates establishment March 25, 1949. November 1973 State directory still lists the chancery here.","sourceUrls":["https://www.mofa.go.kr/us-en/wpge/m_4501/contents.do","https://can-ottawa.mofa.go.kr/us-en/brd/m_29461/view.do?seq=38","https://usa.mofa.go.kr/us-ko/brd/m_21941/view.do?seq=348","https://www.mofa.go.kr/us-ko/wpge/m_4472/contents.do","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.mofa.go.kr/us-en/wpge/m_4501/contents.do","https://can-ottawa.mofa.go.kr/us-en/brd/m_29461/view.do?seq=38","https://usa.mofa.go.kr/us-ko/brd/m_21941/view.do?seq=348","https://www.mofa.go.kr/us-ko/wpge/m_4472/contents.do","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF KOREA"],"acquiredYear":null,"occupiedYear":1949,"notes":["Current embassy consular directory gives this address. The embassy plaque notice specifically identifies the first ROK Embassy established at this address in 1949.","The official plaque documents Korean diplomatic use at this site from 1949. The assessor’s estimated 1960 average year built concerns a later or averaged building phase; it is not the date diplomatic use began."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"verified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0060 building 1 section 1: 15,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 21–59 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"verified","basis":"Official February 9, 2026 plaque notice explicitly names 2320 Massachusetts Avenue as the first ROK Embassy opened in 1949. The Korean version makes the same association; official mission history dates establishment March 25, 1949. November 1973 State directory still lists the chancery here.","sourceUrls":["https://www.mofa.go.kr/us-en/wpge/m_4501/contents.do","https://can-ottawa.mofa.go.kr/us-en/brd/m_29461/view.do?seq=38","https://usa.mofa.go.kr/us-ko/brd/m_21941/view.do?seq=348","https://www.mofa.go.kr/us-ko/wpge/m_4472/contents.do","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":21709,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":17468680,"floorSqft":15000,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0060 building 1 section 1: 15,000 sq ft (commercial)","constructedYear":1960,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Official February 9, 2026 plaque notice explicitly names 2320 Massachusetts Avenue as the first ROK Embassy opened in 1949. The Korean version makes the same association; official mission history dates establishment March 25, 1949. November 1973 State directory still lists the chancery here.","functionBasis":"Current embassy consular directory gives this address. The embassy plaque notice specifically identifies the first ROK Embassy established at this address in 1949.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":15000,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"15000 × 0.5 / 350 to 15000 × 0.7 / 180 = 21–59 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":21,"highRooms":59,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"21–59","country":"Republic of Korea","file":"Korea.html","propertyType":"Consular Section"},{"slug":"korea","propertyId":"2370-massachusetts-ave-nw","title":"Korean Cultural Center","propertyCategory":"other","address":"2370 Massachusetts Ave NW, Washington, DC","parcelIds":["2507    0829"],"landOnly":false,"id":"korea-2370-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6574,"display":"6,574 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":8655890,"display":"$8,655,890","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":9100,"display":"9,100 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0829 building 1 section 1: 9,100 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1930,"display":"1930","status":"verified","basis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"13–36","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 13–36 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"Smith & Edwards","display":"Smith & Edwards","status":"verified","basis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2012,"display":"2012","status":"documented-by","basis":"A dated 2012 cultural exhibition at this address establishes use by 2012; establishment of the center in October 2010 is not automatically the start of occupation.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json","https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF KOREA"],"acquiredYear":null,"occupiedYear":2012,"notes":["Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"verified","rooms":"estimated","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0829 building 1 section 1: 9,100 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"verified","basis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 13–36 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A dated 2012 cultural exhibition at this address establishes use by 2012; establishment of the center in October 2010 is not automatically the start of occupation.","sourceUrls":["https://washingtondc.korean-culture.org/en/9/contents/887","https://washingtondc.korean-culture.org/en/6/contents/885","https://www.loc.gov/pictures/item/dc0272/","https://www.korean-culture.org/kocc/list.do?ctrcode=CTR0012&langCode=lang001&page=27&searchCondition=1&searchText=&searchType=menu0023"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":6574,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":8655890,"floorSqft":9100,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0829 building 1 section 1: 9,100 sq ft (commercial)","constructedYear":1930,"constructedBasis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","rooms":null,"architect":"Smith & Edwards","occupationBasis":"A dated 2012 cultural exhibition at this address establishes use by 2012; establishment of the center in October 2010 is not automatically the start of occupation.","functionBasis":"Current center directions distinguish this from the chancery and consulate. Center established October 2010, but earlier diplomatic use may predate that institutional establishment. HABS DC-271 identifies initial construction in 1930 and Smith & Edwards.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":9100,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"9100 × 0.5 / 350 to 9100 × 0.7 / 180 = 13–36 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":13,"highRooms":36,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0829%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"13–36","country":"Republic of Korea","file":"Korea.html","propertyType":"Other"},{"slug":"korea","propertyId":"massachusetts-ave-nw-lot-0857","title":"Government-owned parcel","propertyCategory":"other","address":"Massachusetts Ave NW, Washington, DC (Square 2500, lot 0857)","parcelIds":["2500    0857"],"landOnly":true,"id":"korea-massachusetts-ave-nw-lot-0857","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":9833,"display":"9,833 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3336240,"display":"$3,336,240","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF KOREA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"not-applicable","constructedYear":"not-applicable","rooms":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0857%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":9833,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3336240,"floorSqft":null,"floorBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","constructedYear":null,"constructedBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Republic of Korea","file":"Korea.html","propertyType":"Other"},{"slug":"korea","propertyId":"15-logan-cir-nw","title":"Old Korean Legation Museum","propertyCategory":"other","address":"15 Logan Cir NW, Washington, DC","parcelIds":["0241    0074"],"landOnly":false,"id":"korea-15-logan-cir-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2434,"display":"2,434 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4627010,"display":"$4,627,010","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5844,"display":"5,844 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0241    0074 building 1 section 1: 5,844 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1877,"display":"1877","status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"8–23","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 8–23 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"Thomas M. Plowman","display":"Thomas M. Plowman","status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1889,"display":"1889","status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE REPUBLIC OF KOREA"],"acquiredYear":2012,"occupiedYear":1889,"notes":["Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"verified","rooms":"estimated","architect":"verified","occupiedYear":"verified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0241    0074 building 1 section 1: 5,844 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 8–23 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"verified","basis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Korean%20Legation%20COMPLETE_1.pdf","https://www.korea.net/Government/Briefing-Room/Press-Releases/view?articleId=89519&insttCode=A260203&type=N"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":2434,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4627010,"floorSqft":5844,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0241    0074 building 1 section 1: 5,844 sq ft (commercial)","constructedYear":1877,"constructedBasis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","rooms":null,"architect":"Thomas M. Plowman","occupationBasis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","functionBasis":"Official nomination identifies Republic of Korea ownership, parcel 0241 0074, construction in 1877, architect Thomas M. Plowman, and legation use from 1889 to 1905. Chain of title records government reacquisition October 18, 2012; Korea Heritage Service reports museum opening in 2018.","acquiredDate":"2012-10-18","currentUseBeganYear":2018,"metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":5844,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"5844 × 0.5 / 350 to 5844 × 0.7 / 180 = 8–23 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":8,"highRooms":23,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270241++++0074%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"8–23","country":"Republic of Korea","file":"Korea.html","propertyType":"Other"},{"slug":"japan","propertyId":"4819-dexter-ter-nw","title":"Government-owned residence","propertyCategory":"other","address":"4819 Dexter Ter NW, Washington, DC","parcelIds":["1381    0002"],"landOnly":false,"id":"japan-4819-dexter-ter-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":19766,"display":"19,766 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4319000,"display":"$4,319,000","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":4910,"display":"4,910 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1381    0002 building 1: 4,910 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1954,"display":"1954","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":13,"display":"13","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY OF JAPAN"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Berkley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1381    0002 building 1: 4,910 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271381++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":19766,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4319000,"floorSqft":4910,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1381    0002 building 1: 4,910 sq ft (residential)","constructedYear":1954,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":13,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Japan","file":"Japan.html","propertyType":"Other"},{"slug":"india","propertyId":"2536-massachusetts-ave-nw","title":"Consular Wing and Chancery Annex","propertyCategory":"consular-section","address":"2536 Massachusetts Ave NW, Washington, DC","parcelIds":["2500    0082","2500    0083","2500    0084","2500    0085"],"landOnly":false,"id":"india-2536-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":9438,"display":"9,438 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":10273520,"display":"$10,273,520","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":15414,"display":"15,414 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0084 building 1 section 1: 15,414 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1954,"display":"1954","status":"verified","basis":"Sheridan-Kalorama National Register inventory identifies 2536 Massachusetts Avenue, parcel 2500 0084, Embassy of the Republic of India, built 1954.","sourceUrls":["https://indianembassyusa.gov.in/pages/MjA%2C","https://indianembassyusa.gov.in/pages/MjE%2C","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"22–60","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 22–60 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Office of the Counselor (Supply). This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://indianembassyusa.gov.in/pages/MjA%2C","https://indianembassyusa.gov.in/pages/MjE%2C","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json","https://indianembassyusa.gov.in/pages/MjA%2C","https://indianembassyusa.gov.in/pages/MjE%2C","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF INDIA"],"acquiredYear":null,"occupiedYear":1973,"notes":["Official directory calls this Chancery-II and lists Consular, Commerce, ISRO, ITOU, and Principal Director of Audit offices. Classify its separately identified consular premises as Consular Section while retaining the mixed-use title."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"verified","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0084 building 1 section 1: 15,414 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"verified","basis":"Sheridan-Kalorama National Register inventory identifies 2536 Massachusetts Avenue, parcel 2500 0084, Embassy of the Republic of India, built 1954.","sourceUrls":["https://indianembassyusa.gov.in/pages/MjA%2C","https://indianembassyusa.gov.in/pages/MjE%2C","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 22–60 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0082%27%2C%272500++++0083%27%2C%272500++++0084%27%2C%272500++++0085%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Office of the Counselor (Supply). This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://indianembassyusa.gov.in/pages/MjA%2C","https://indianembassyusa.gov.in/pages/MjE%2C","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":9438,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":10273520,"floorSqft":15414,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0084 building 1 section 1: 15,414 sq ft (commercial)","constructedYear":1954,"constructedBasis":"Sheridan-Kalorama National Register inventory identifies 2536 Massachusetts Avenue, parcel 2500 0084, Embassy of the Republic of India, built 1954.","rooms":null,"architect":null,"occupationBasis":"November 1973 State directory: Office of the Counselor (Supply). This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"Official directory calls this Chancery-II and lists Consular, Commerce, ISRO, ITOU, and Principal Director of Audit offices. Classify its separately identified consular premises as Consular Section while retaining the mixed-use title.","historicalUse":"Office of the Counselor (Supply)","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":15414,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"15414 × 0.5 / 350 to 15414 × 0.7 / 180 = 22–60 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":22,"highRooms":60,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0084%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"22–60","country":"India","file":"India.html","propertyType":"Consular Section"},{"slug":"india","propertyId":"1438-u-st-nw","title":"Government-owned property","propertyCategory":"other","address":"1438 U St NW, Washington, DC","parcelIds":["0205    0836"],"landOnly":false,"id":"india-1438-u-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6232,"display":"6,232 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3059030,"display":"$3,059,030","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":12214,"display":"12,214 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0205    0836 building 1 section 1: 12,214 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1912,"display":"1912","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"India purchased 1438 U Street in August 2013 for a cultural center. Its Comptroller and Auditor General reported that the property had not been put to that use as of April 2022, following structural problems and the abandonment of renovation plans. The purchase establishes ownership, not diplomatic occupation; no later opening date was found.","sourceUrls":["https://cag.gov.in/uploads/download_audit_report/2022/Final-Report-English-063a19ffa5daa99.59624873.pdf"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json","https://cag.gov.in/uploads/download_audit_report/2022/Final-Report-English-063a19ffa5daa99.59624873.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE EMBASSY OF THE REPUBLIC OF INDIA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0205    0836 building 1 section 1: 12,214 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270205++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"India purchased 1438 U Street in August 2013 for a cultural center. Its Comptroller and Auditor General reported that the property had not been put to that use as of April 2022, following structural problems and the abandonment of renovation plans. The purchase establishes ownership, not diplomatic occupation; no later opening date was found.","sourceUrls":["https://cag.gov.in/uploads/download_audit_report/2022/Final-Report-English-063a19ffa5daa99.59624873.pdf"],"checkedOn":"2026-10-29"}},"siteSqft":6232,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3059030,"floorSqft":12214,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0205    0836 building 1 section 1: 12,214 sq ft (commercial)","constructedYear":1912,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"India purchased 1438 U Street in August 2013 for a cultural center. Its Comptroller and Auditor General reported that the property had not been put to that use as of April 2022, following structural problems and the abandonment of renovation plans. The purchase establishes ownership, not diplomatic occupation; no later opening date was found.","country":"India","file":"India.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"19-observatory-cir-nw","title":"Government-owned property","propertyCategory":"other","address":"19 Observatory Cir NW, Washington, DC","parcelIds":["2147    0051"],"landOnly":false,"id":"united-kingdom-19-observatory-cir-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":11095,"display":"11,095 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4009260,"display":"$4,009,260","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":10000,"display":"10,000 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2147    0051 building 1 section 1: 10,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1927,"display":"1927","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2012,"display":"2012","status":"documented-by","basis":"The Foreign and Commonwealth Office listed its owned consular and visa sections at 19 Observatory Circle in a parliamentary answer on 13 September 2012. This establishes British diplomatic use by 2012; it does not establish the opening date or the present use.","sourceUrls":["https://publications.parliament.uk/pa/cm201213/cmhansrd/cm120913/text/120913w0001.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json","https://publications.parliament.uk/pa/cm201213/cmhansrd/cm120913/text/120913w0001.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM OF GREAT BRITAIN & NORTHERN IRELAND"],"acquiredYear":null,"occupiedYear":2012,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2147    0051 building 1 section 1: 10,000 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272147++++0051%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Foreign and Commonwealth Office listed its owned consular and visa sections at 19 Observatory Circle in a parliamentary answer on 13 September 2012. This establishes British diplomatic use by 2012; it does not establish the opening date or the present use.","sourceUrls":["https://publications.parliament.uk/pa/cm201213/cmhansrd/cm120913/text/120913w0001.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":11095,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4009260,"floorSqft":10000,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2147    0051 building 1 section 1: 10,000 sq ft (commercial)","constructedYear":1927,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The Foreign and Commonwealth Office listed its owned consular and visa sections at 19 Observatory Circle in a parliamentary answer on 13 September 2012. This establishes British diplomatic use by 2012; it does not establish the opening date or the present use.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"1656-beekman-pl-nw","title":"Government-owned condominium","propertyCategory":"other","address":"1656 Beekman Pl NW # A, Washington, DC","parcelIds":["2567    2171"],"landOnly":false,"id":"united-kingdom-1656-beekman-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Mount Pleasant","display":"Mount Pleasant","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1145,"display":"1,145 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":869410,"display":"$869,410","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1210,"display":"1,210 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2567    2171 building 1: 1,210 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1977,"display":"1977","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":5,"display":"5","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF THE UNI"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Mount Pleasant","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2567    2171 building 1: 1,210 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272567++++2171%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1145,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":869410,"floorSqft":1210,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2567    2171 building 1: 1,210 sq ft (condominium)","constructedYear":1977,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":5,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"5141-tilden-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"5141 Tilden St NW, Washington, DC","parcelIds":["1459    0843","1459    0844"],"landOnly":false,"id":"united-kingdom-5141-tilden-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":14897,"display":"14,897 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":2369030,"display":"$2,369,030","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3461,"display":"3,461 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1459    0843 building 1: 3,461 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1949,"display":"1949","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":11,"display":"11","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"The November 1973 Diplomatic List identifies this address as the residence of British military attaché Brigadier Henry G. Woods. PDF page 27, printed page 47. This is a dated use bound, not a verified acquisition or move-in date.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM MINISTER FOR PUBLIC BUILDINGS & WORKS"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Spring Valley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1459    0843 building 1: 3,461 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271459++++0843%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271459++++0843%27%2C%271459++++0844%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The November 1973 Diplomatic List identifies this address as the residence of British military attaché Brigadier Henry G. Woods. PDF page 27, printed page 47. This is a dated use bound, not a verified acquisition or move-in date.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":14897,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":2369030,"floorSqft":3461,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1459    0843 building 1: 3,461 sq ft (residential)","constructedYear":1949,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":11,"architect":null,"occupationBasis":"The November 1973 Diplomatic List identifies this address as the residence of British military attaché Brigadier Henry G. Woods. PDF page 27, printed page 47. This is a dated use bound, not a verified acquisition or move-in date.","historicalUse":"Residence of the British military attaché (documented 1973)","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"1723-u-st-nw","title":"Government-owned condominium","propertyCategory":"other","address":"1723 U St NW # 3, Washington, DC","parcelIds":["0150    2031"],"landOnly":false,"id":"united-kingdom-1723-u-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":298,"display":"298 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":627680,"display":"$627,680","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":672,"display":"672 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0150    2031 building 1: 672 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1909,"display":"1909","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF THE UNI"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0150    2031 building 1: 672 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270150++++2031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":298,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":627680,"floorSqft":672,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0150    2031 building 1: 672 sq ft (condominium)","constructedYear":1909,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"2726-36th-pl-nw","title":"Government-owned residence","propertyCategory":"other","address":"2726 36th Pl NW, Washington, DC","parcelIds":["1933    0033"],"landOnly":false,"id":"united-kingdom-2726-36th-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5517,"display":"5,517 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1590740,"display":"$1,590,740","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2474,"display":"2,474 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1933    0033 building 1: 2,474 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1942,"display":"1942","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":6,"display":"6","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Attaché Thomas E. Colquhoun. November 1973 Diplomatic List, PDF page 27, printed page 46.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM MINISTER FOR PUBLIC BUILDINGS & WORKS"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1933    0033 building 1: 2,474 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271933++++0033%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Attaché Thomas E. Colquhoun. November 1973 Diplomatic List, PDF page 27, printed page 46.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":5517,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1590740,"floorSqft":2474,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1933    0033 building 1: 2,474 sq ft (residential)","constructedYear":1942,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":6,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Attaché Thomas E. Colquhoun. November 1973 Diplomatic List, PDF page 27, printed page 46.","historicalUse":"Residence of Attaché Thomas E. Colquhoun","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"1103-6th-st-nw","title":"Government-owned condominium units","propertyCategory":"other","address":"1103 6th St NW, Washington, DC — units 3, 4","parcelIds":["0482    2063","0482    2064"],"landOnly":false,"id":"united-kingdom-1103-6th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":774,"display":"774 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1269650,"display":"$1,269,650","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1804,"display":"1,804 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0482    2063 building 1: 911 sq ft (condominium); 0482    2064 building 1: 893 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1900,"display":"1900","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":8,"display":"8","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF THE UK","THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF THE UK"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0482    2063 building 1: 911 sq ft (condominium); 0482    2064 building 1: 893 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270482++++2063%27%2C%270482++++2064%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":774,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":1269650,"floorSqft":1804,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0482    2063 building 1: 911 sq ft (condominium); 0482    2064 building 1: 893 sq ft (condominium)","constructedYear":1900,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":8,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"3293-sutton-pl-nw","title":"Government-owned condominium","propertyCategory":"other","address":"3293 Sutton Pl NW # A, Washington, DC","parcelIds":["1601    2321"],"landOnly":false,"id":"united-kingdom-3293-sutton-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Wesley Heights","display":"Wesley Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1906,"display":"1,906 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":854650,"display":"$854,650","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1332,"display":"1,332 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2321 building 1: 1,332 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1980,"display":"1980","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF UNITED KING"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Wesley Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2321 building 1: 1,332 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2321%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1906,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":854650,"floorSqft":1332,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2321 building 1: 1,332 sq ft (condominium)","constructedYear":1980,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"1077-30th-st-nw","title":"Government-owned condominium","propertyCategory":"other","address":"1077 30th St NW # 303, Washington, DC","parcelIds":["1192    2016"],"landOnly":false,"id":"united-kingdom-1077-30th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Georgetown","display":"Georgetown","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":301,"display":"301 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":710060,"display":"$710,060","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1066,"display":"1,066 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    2016 building 1: 1,066 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1980,"display":"1980","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Georgetown","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    2016 building 1: 1,066 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++2016%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":301,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":710060,"floorSqft":1066,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    2016 building 1: 1,066 sq ft (condominium)","constructedYear":1980,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"3295-sutton-pl-nw","title":"Government-owned condominium","propertyCategory":"other","address":"3295 Sutton Pl NW # A, Washington, DC","parcelIds":["1601    2325"],"landOnly":false,"id":"united-kingdom-3295-sutton-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Wesley Heights","display":"Wesley Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1906,"display":"1,906 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":784080,"display":"$784,080","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1332,"display":"1,332 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2325 building 1: 1,332 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1980,"display":"1980","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Wesley Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2325 building 1: 1,332 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271601++++2325%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1906,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":784080,"floorSqft":1332,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1601    2325 building 1: 1,332 sq ft (condominium)","constructedYear":1980,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"4430-lingan-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"4430 Lingan Rd NW, Washington, DC","parcelIds":["1356    0883"],"landOnly":false,"id":"united-kingdom-4430-lingan-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Palisades","display":"Palisades","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1067,"display":"1,067 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1034220,"display":"$1,034,220","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1692,"display":"1,692 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1356    0883 building 1: 1,692 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1981,"display":"1981","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":6,"display":"6","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Palisades","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1356    0883 building 1: 1,692 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271356++++0883%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1067,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1034220,"floorSqft":1692,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1356    0883 building 1: 1,692 sq ft (residential)","constructedYear":1981,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":6,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"2117-12th-pl-nw","title":"Government-owned residence","propertyCategory":"other","address":"2117 12th Pl NW, Washington, DC","parcelIds":["0272    0890"],"landOnly":false,"id":"united-kingdom-2117-12th-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":656,"display":"656 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":930850,"display":"$930,850","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":1244,"display":"1,244 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0272    0890 building 1: 1,244 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2001,"display":"2001","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":8,"display":"8","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS OF THE UNI"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0272    0890 building 1: 1,244 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270272++++0890%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":656,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":930850,"floorSqft":1244,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0272    0890 building 1: 1,244 sq ft (residential)","constructedYear":2001,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":8,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"4801-loughboro-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"4801 Loughboro Rd NW, Washington, DC","parcelIds":["1513    0867"],"landOnly":false,"id":"united-kingdom-4801-loughboro-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":15298,"display":"15,298 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3158260,"display":"$3,158,260","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":4149,"display":"4,149 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1513    0867 building 1: 4,149 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1964,"display":"1964","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":14,"display":"14","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister for Defense Research and Development. November 1973 Diplomatic List, PDF page 27, printed page 47.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM MINISTER FOR PUBLIC BUILDINGS & WORKS"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Spring Valley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1513    0867 building 1: 4,149 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271513++++0867%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister for Defense Research and Development. November 1973 Diplomatic List, PDF page 27, printed page 47.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":15298,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3158260,"floorSqft":4149,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1513    0867 building 1: 4,149 sq ft (residential)","constructedYear":1964,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":14,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister for Defense Research and Development. November 1973 Diplomatic List, PDF page 27, printed page 47.","historicalUse":"Residence of Minister for Defense Research and Development","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"5226-loughboro-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"5226 Loughboro Rd NW, Washington, DC","parcelIds":["1448    0888"],"landOnly":false,"id":"united-kingdom-5226-loughboro-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kent","display":"Kent","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7670,"display":"7,670 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1509710,"display":"$1,509,710","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2160,"display":"2,160 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1448    0888 building 1: 2,160 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1954,"display":"1954","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":12,"display":"12","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM MINISTER FOR PUBLIC BUILDINGS & WORKS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kent","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1448    0888 building 1: 2,160 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271448++++0888%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":7670,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1509710,"floorSqft":2160,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1448    0888 building 1: 2,160 sq ft (residential)","constructedYear":1954,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":12,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"5120-52nd-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"5120 52nd St NW, Washington, DC","parcelIds":["1467    0945"],"landOnly":false,"id":"united-kingdom-5120-52nd-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7516,"display":"7,516 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1778220,"display":"$1,778,220","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3760,"display":"3,760 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0945 building 1: 3,760 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1997,"display":"1997","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":10,"display":"10","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SECRETARY OF STATE FOR FOREIGN & COMMONWEALTH AFFAIRS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Spring Valley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0945 building 1: 3,760 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0945%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":7516,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1778220,"floorSqft":3760,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0945 building 1: 3,760 sq ft (residential)","constructedYear":1997,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":10,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"4004-edmunds-st-nw","title":"Government-owned condominium","propertyCategory":"other","address":"4004 Edmunds St NW # 6, Washington, DC","parcelIds":["1807    2073"],"landOnly":false,"id":"united-kingdom-4004-edmunds-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Glover Park","display":"Glover Park","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":565,"display":"565 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":536810,"display":"$536,810","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":864,"display":"864 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2073 building 1: 864 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2013,"display":"2013","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Glover Park","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2073 building 1: 864 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2073%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":565,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":536810,"floorSqft":864,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2073 building 1: 864 sq ft (condominium)","constructedYear":2013,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"3937-davis-pl-nw","title":"Government-owned condominium","propertyCategory":"other","address":"3937 Davis Pl NW # 5, Washington, DC","parcelIds":["1807    2081"],"landOnly":false,"id":"united-kingdom-3937-davis-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Glover Park","display":"Glover Park","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":823,"display":"823 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":744470,"display":"$744,470","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":889,"display":"889 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2081 building 1: 889 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1938,"display":"1938","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":4,"display":"4","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SECRETARY OF THE UNITED KINGDOM"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Glover Park","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2081 building 1: 889 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271807++++2081%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":823,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":744470,"floorSqft":889,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1807    2081 building 1: 889 sq ft (condominium)","constructedYear":1938,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":4,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"2404-kalorama-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"2404 Kalorama Rd NW, Washington, DC","parcelIds":["2503    0821"],"landOnly":false,"id":"united-kingdom-2404-kalorama-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":8288,"display":"8,288 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4786400,"display":"$4,786,400","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5946,"display":"5,946 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2503    0821 building 1: 5,946 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1930,"display":"1930","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":15,"display":"15","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Head of British Defence Staff and Defence Attaché. November 1973 Diplomatic List, PDF page 27, printed page 46.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM OF GREAT BRITAIN & NORTHERN IRELAND"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2503    0821 building 1: 5,946 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272503++++0821%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Head of British Defence Staff and Defence Attaché. November 1973 Diplomatic List, PDF page 27, printed page 46.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":8288,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4786400,"floorSqft":5946,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2503    0821 building 1: 5,946 sq ft (residential)","constructedYear":1930,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":15,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Head of British Defence Staff and Defence Attaché. November 1973 Diplomatic List, PDF page 27, printed page 46.","historicalUse":"Residence of Head of British Defence Staff and Defence Attaché","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"5116-52nd-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"5116 52nd St NW, Washington, DC","parcelIds":["1467    0943"],"landOnly":false,"id":"united-kingdom-5116-52nd-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Spring Valley","display":"Spring Valley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":8189,"display":"8,189 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1845240,"display":"$1,845,240","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3090,"display":"3,090 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0943 building 1: 3,090 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1994,"display":"1994","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":8,"display":"8","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SECRETARY OF STATE FOR FOREIGN & COMMONWEALTH AFFAIRS"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Spring Valley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0943 building 1: 3,090 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271467++++0943%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":8189,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1845240,"floorSqft":3090,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1467    0943 building 1: 3,090 sq ft (residential)","constructedYear":1994,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":8,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-kingdom","propertyId":"2934-edgevale-ter-nw","title":"Government-owned residence","propertyCategory":"other","address":"2934 Edgevale Ter NW, Washington, DC","parcelIds":["2199    0805"],"landOnly":false,"id":"united-kingdom-2934-edgevale-ter-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":14600,"display":"14,600 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":9325640,"display":"$9,325,640","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":7898,"display":"7,898 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2199    0805 building 1: 7,898 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1931,"display":"1931","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":15,"display":"15","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2011,"display":"2011","status":"documented-by","basis":"Tufts University’s October 2011 Parents Program newsletter identified the British Deputy Ambassador’s residence at 2934 Edgevale Terrace as the venue of its 20 October reception. The University of Maryland independently identified the same residence for its 10 April 2013 reception. These are documented-use bounds, not an opening date.","sourceUrls":["https://archive.constantcontact.com/fs054/1102308248611/archive/1107956319216.html","https://mith.umd.edu/events/shared-horizons-opening-reception/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json","https://archive.constantcontact.com/fs054/1102308248611/archive/1107956319216.html","https://mith.umd.edu/events/shared-horizons-opening-reception/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["UNITED KINGDOM OF GREAT BRITAIN & NORTHERN IRELAND"],"acquiredYear":null,"occupiedYear":2011,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Massachusetts Avenue Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2199    0805 building 1: 7,898 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272199++++0805%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Tufts University’s October 2011 Parents Program newsletter identified the British Deputy Ambassador’s residence at 2934 Edgevale Terrace as the venue of its 20 October reception. The University of Maryland independently identified the same residence for its 10 April 2013 reception. These are documented-use bounds, not an opening date.","sourceUrls":["https://archive.constantcontact.com/fs054/1102308248611/archive/1107956319216.html","https://mith.umd.edu/events/shared-horizons-opening-reception/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":14600,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":9325640,"floorSqft":7898,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2199    0805 building 1: 7,898 sq ft (residential)","constructedYear":1931,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":15,"architect":null,"occupationBasis":"Tufts University’s October 2011 Parents Program newsletter identified the British Deputy Ambassador’s residence at 2934 Edgevale Terrace as the venue of its 20 October reception. The University of Maryland independently identified the same residence for its 10 April 2013 reception. These are documented-use bounds, not an opening date.","country":"United Kingdom","file":"United-Kingdom.html","propertyType":"Other"},{"slug":"united-arab-emirates","propertyId":"2400-massachusetts-ave-nw","title":"Government-owned property","propertyCategory":"other","address":"2400 Massachusetts Ave NW, Washington, DC","parcelIds":["2507    0042"],"landOnly":false,"id":"united-arab-emirates-2400-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2489,"display":"2,489 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3399230,"display":"$3,399,230","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5658,"display":"5,658 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0042 building 1 section 1: 5,658 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1922,"display":"1921–1922","status":"estimated","basis":"The 2021 HPRB staff report describes a house constructed in 1921; CFA minutes refer to circa 1922 and a 1921 permit. Exact completion is not consistently stated across these primary records.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Massachusetts%20Avenue%20and%20Sheridan%20Kalorama%20HDs%202400%20Massachusetts%20Avenue%20NW%20HPA%2021%20433.pdf","https://cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Massachusetts%20Avenue%20and%20Sheridan%20Kalorama%20HDs%202400%20Massachusetts%20Avenue%20NW%20HPA%2021%20433.pdf","https://cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE UNITED ARAB EMIRATES"],"acquiredYear":2017,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.","The UAE purchased the property in 2017. Historic-preservation records describe a 1921–1922 house and a replacement proposed in 2021; completion of that proposal is unconfirmed. Earlier chancery use belonged to other occupants. CFA minutes tentatively attribute the original house to Gordon McNeill; the original architect remains unverified."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0042 building 1 section 1: 5,658 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"The 2021 HPRB staff report describes a house constructed in 1921; CFA minutes refer to circa 1922 and a 1921 permit. Exact completion is not consistently stated across these primary records.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Massachusetts%20Avenue%20and%20Sheridan%20Kalorama%20HDs%202400%20Massachusetts%20Avenue%20NW%20HPA%2021%20433.pdf","https://cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272507++++0042%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":2489,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","constructedYear":"historic-house-phase"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3399230,"floorSqft":5658,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2507    0042 building 1 section 1: 5,658 sq ft (commercial)","constructedYear":1922,"constructedBasis":"The 2021 HPRB staff report describes a house constructed in 1921; CFA minutes refer to circa 1922 and a 1921 permit. Exact completion is not consistently stated across these primary records.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","acquisitionEvidence":{"status":"verified","basis":"The HPRB staff report states that the UAE purchased the property in 2017. Chancery use since 1970 refers to the building's earlier diplomatic use and does not establish UAE occupation.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Massachusetts%20Avenue%20and%20Sheridan%20Kalorama%20HDs%202400%20Massachusetts%20Avenue%20NW%20HPA%2021%20433.pdf","https://cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes"]},"permitYear":1921,"constructedDisplay":"1921–1922","builder":"W. C. and A. N. Miller Company","architectAttribution":{"proposedValue":null,"status":"unresolved","candidate":"Gordon McNeill","candidateStatus":"tentative-primary-attribution","basis":"CFA meeting minutes report the historical presenter's view that the original house was probably designed by the Miller firm's in-house architect Gordon McNeill. This is a qualified attribution, not verified identification.","integrationNote":"Leave the unqualified architect field empty. If an attributed name is shown, retain probably and the CFA source. Addison Nottingham of ACG Architects designed the proposed 2021 replacement and must not be assigned to the historic house.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Massachusetts%20Avenue%20and%20Sheridan%20Kalorama%20HDs%202400%20Massachusetts%20Avenue%20NW%20HPA%2021%20433.pdf","https://cfa.gov/records-research/record-cfa-actions/2021/07/cfa-meeting/minutes"]},"constructedYearRange":[1921,1922],"country":"United Arab Emirates","file":"United-Arab-Emirates.html","propertyType":"Other"},{"slug":"united-arab-emirates","propertyId":"2104-2108-dunmore-ln-nw","title":"Government-owned residence","propertyCategory":"other","address":"2104–2108 Dunmore Ln NW, Washington, DC","parcelIds":["1346    0858","1346    0859"],"landOnly":false,"id":"united-arab-emirates-2104-2108-dunmore-ln-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":19400,"display":"19,400 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7642960,"display":"$7,642,960","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":6123,"display":"6,123 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1346    0859 building 1: 6,123 sq ft (residential). The retrieved records do not measure every owned component; parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2009,"display":"2009","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":12,"display":"12","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY OF THE UNITED ARAB EMIRATES"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Berkley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1346    0859 building 1: 6,123 sq ft (residential). The retrieved records do not measure every owned component; parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271346++++0858%27%2C%271346++++0859%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":19400,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"partial"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7642960,"floorSqft":6123,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1346    0859 building 1: 6,123 sq ft (residential). The retrieved records do not measure every owned component; parking is excluded.","constructedYear":2009,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":12,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"United Arab Emirates","file":"United-Arab-Emirates.html","propertyType":"Other"},{"slug":"brazil","propertyId":"4632-wisconsin-ave-nw","title":"Brazilian Army Commission","propertyCategory":"other","address":"4632 Wisconsin Ave NW, Washington, DC","parcelIds":["1732    0019"],"landOnly":false,"id":"brazil-4632-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"American University","display":"American University","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":3212,"display":"3,212 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":2338610,"display":"$2,338,610","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5081,"display":"5,081 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1732    0019 building 1 section 1: 5,081 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1910,"display":"1910","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"7–20","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 7–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","basis":"The Brazilian Army current institutional history explicitly states that the Commission occupies this Army-owned building. The 2008 State directory independently identifies the address.","sourceUrls":["https://brazilianarmycommission.eb.mil.br/index.php/institucional/historico","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json","https://brazilianarmycommission.eb.mil.br/index.php/institucional/historico","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF BRAZIL - MIN ARMY"],"acquiredYear":null,"occupiedYear":2008,"notes":["The Brazilian Army current institutional history explicitly states that the Commission occupies this Army-owned building. The 2008 State directory independently identifies the address."],"neighborhood":"American University","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1732    0019 building 1 section 1: 5,081 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 7–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Brazilian Army current institutional history explicitly states that the Commission occupies this Army-owned building. The 2008 State directory independently identifies the address.","sourceUrls":["https://brazilianarmycommission.eb.mil.br/index.php/institucional/historico","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":3212,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":2338610,"floorSqft":5081,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1732    0019 building 1 section 1: 5,081 sq ft (commercial)","constructedYear":1910,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The Brazilian Army current institutional history explicitly states that the Commission occupies this Army-owned building. The 2008 State directory independently identifies the address.","functionBasis":"The Brazilian Army current institutional history explicitly states that the Commission occupies this Army-owned building. The 2008 State directory independently identifies the address.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":5081,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"5081 × 0.5 / 350 to 5081 × 0.7 / 180 = 7–20 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":7,"highRooms":20,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271732++++0019%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"7–20","country":"Brazil","file":"Brazil.html","propertyType":"Other"},{"slug":"brazil","propertyId":"1701-22nd-st-nw","title":"Brazilian Aeronautical Commission","propertyCategory":"other","address":"1701 22nd St NW, Washington, DC","parcelIds":["2514    0011"],"landOnly":false,"id":"brazil-1701-22nd-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2500,"display":"2,500 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":6448430,"display":"$6,448,430","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":16270,"display":"16,270 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2514    0011 building 1 section 1: 16,270 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1907,"display":"1907","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"23–64","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 23–64 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","basis":"Current Brazilian Air Force tenders identify the Commission at this address; the 2008 State directory supplies a dated use record.","sourceUrls":["https://www2.fab.mil.br/cabw/index.php/en/","https://www2.fab.mil.br/cabe/index.php/bid/359-electronic-auction-260267-cabw-2026","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json","https://www2.fab.mil.br/cabw/index.php/en/","https://www2.fab.mil.br/cabe/index.php/bid/359-electronic-auction-260267-cabw-2026","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE FEDERAL REPUBLIC OF BRAZIL"],"acquiredYear":null,"occupiedYear":2008,"notes":["Current Brazilian Air Force tenders identify the Commission at this address; the 2008 State directory supplies a dated use record."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2514    0011 building 1 section 1: 16,270 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 23–64 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Current Brazilian Air Force tenders identify the Commission at this address; the 2008 State directory supplies a dated use record.","sourceUrls":["https://www2.fab.mil.br/cabw/index.php/en/","https://www2.fab.mil.br/cabe/index.php/bid/359-electronic-auction-260267-cabw-2026","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":2500,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":6448430,"floorSqft":16270,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2514    0011 building 1 section 1: 16,270 sq ft (commercial)","constructedYear":1907,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Current Brazilian Air Force tenders identify the Commission at this address; the 2008 State directory supplies a dated use record.","functionBasis":"Current Brazilian Air Force tenders identify the Commission at this address; the 2008 State directory supplies a dated use record.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":16270,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"16270 × 0.5 / 350 to 16270 × 0.7 / 180 = 23–64 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":23,"highRooms":64,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272514++++0011%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"23–64","country":"Brazil","file":"Brazil.html","propertyType":"Other"},{"slug":"brazil","propertyId":"5130-macarthur-blvd-nw","title":"Brazilian Naval Commission","propertyCategory":"other","address":"5130 Macarthur Blvd NW, Washington, DC","parcelIds":["1418    0062"],"landOnly":false,"id":"brazil-5130-macarthur-blvd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Palisades","display":"Palisades","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":20125,"display":"20,125 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7115550,"display":"$7,115,550","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":27950,"display":"27,950 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1418    0062 building 1 section 1: 27,950 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1974,"display":"1974","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"39–109","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 39–109 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","basis":"Navy procurement notices in 2026 identify headquarters here. The 2008 State directory lists 5126 and 5130 together; group adjoining components if parcel evidence agrees.","sourceUrls":["https://www.marinha.mil.br/cnbw/licitacao-geral?body_value=&field_ano_da_licitacao_value=&field_favorecido_lic_value=&lang=pt-br&order=field_ano_da_licitacao&sort=desc","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.marinha.mil.br/cnbw/licitacao-geral?body_value=&field_ano_da_licitacao_value=&field_favorecido_lic_value=&lang=pt-br&order=field_ano_da_licitacao&sort=desc","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["BRAZILIAN NAVAL COMMISSION"],"acquiredYear":null,"occupiedYear":2008,"notes":["Navy procurement notices in 2026 identify headquarters here. The 2008 State directory lists 5126 and 5130 together; group adjoining components if parcel evidence agrees."],"neighborhood":"Palisades","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1418    0062 building 1 section 1: 27,950 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 39–109 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Navy procurement notices in 2026 identify headquarters here. The 2008 State directory lists 5126 and 5130 together; group adjoining components if parcel evidence agrees.","sourceUrls":["https://www.marinha.mil.br/cnbw/licitacao-geral?body_value=&field_ano_da_licitacao_value=&field_favorecido_lic_value=&lang=pt-br&order=field_ano_da_licitacao&sort=desc","https://2009-2017.state.gov/s/cpr/rls/dpl/spring_summer2008/110032.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":20125,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7115550,"floorSqft":27950,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1418    0062 building 1 section 1: 27,950 sq ft (commercial)","constructedYear":1974,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Navy procurement notices in 2026 identify headquarters here. The 2008 State directory lists 5126 and 5130 together; group adjoining components if parcel evidence agrees.","functionBasis":"Navy procurement notices in 2026 identify headquarters here. The 2008 State directory lists 5126 and 5130 together; group adjoining components if parcel evidence agrees.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":27950,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"27950 × 0.5 / 350 to 27950 × 0.7 / 180 = 39–109 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":39,"highRooms":109,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271418++++0062%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"39–109","country":"Brazil","file":"Brazil.html","propertyType":"Other"},{"slug":"brazil","propertyId":"2415-california-st-nw","title":"Residence of the OAS Permanent Representative","propertyCategory":"other","address":"2415 California St NW, Washington, DC","parcelIds":["2505    0807"],"landOnly":false,"id":"brazil-2415-california-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7146,"display":"7,146 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4021780,"display":"$4,021,780","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5736,"display":"5,736 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0807 building 1: 5,736 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1916,"display":"1916","status":"estimated","basis":"Historic district nomination gives George Ray design and building permit 242 dated July 17, 1916; precise completion not separately established.","sourceUrls":["https://www.oas.org/ext/es/principal/calendario/evento/moduleid/14104/id/1931/lang/1/controller/item/action/eventdownload","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":17,"display":"17","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"George Ray","display":"George Ray","status":"verified","basis":"The historic district nomination attributes the house to George Ray and dates the design to 1916. PDF page 33; printed Section 7, page 29; paragraph beginning with 2415 California Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2025,"display":"2025","status":"documented-by","basis":"OAS CICAD schedule dated November 14, 2025 identifies the official residence here for a December 16 reception. This is the multilateral representative residence, distinct from the bilateral ambassador residence.","sourceUrls":["https://www.oas.org/ext/es/principal/calendario/evento/moduleid/14104/id/1931/lang/1/controller/item/action/eventdownload","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.oas.org/ext/es/principal/calendario/evento/moduleid/14104/id/1931/lang/1/controller/item/action/eventdownload","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE FEDERAL REPUBLIC OF BRAZIL"],"acquiredYear":null,"occupiedYear":2025,"notes":["OAS CICAD schedule dated November 14, 2025 identifies the official residence here for a December 16 reception. This is the multilateral representative residence, distinct from the bilateral ambassador residence.","A National Register nomination documents George Ray’s 1916 design and a 17 July 1916 building permit. The assessor’s estimated 1917 construction year may describe completion; the exact completion date is unconfirmed."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0807 building 1: 5,736 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Historic district nomination gives George Ray design and building permit 242 dated July 17, 1916; precise completion not separately established.","sourceUrls":["https://www.oas.org/ext/es/principal/calendario/evento/moduleid/14104/id/1931/lang/1/controller/item/action/eventdownload","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272505++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"verified","basis":"The historic district nomination attributes the house to George Ray and dates the design to 1916. PDF page 33; printed Section 7, page 29; paragraph beginning with 2415 California Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"OAS CICAD schedule dated November 14, 2025 identifies the official residence here for a December 16 reception. This is the multilateral representative residence, distinct from the bilateral ambassador residence.","sourceUrls":["https://www.oas.org/ext/es/principal/calendario/evento/moduleid/14104/id/1931/lang/1/controller/item/action/eventdownload","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":7146,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4021780,"floorSqft":5736,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0807 building 1: 5,736 sq ft (residential)","constructedYear":1916,"constructedBasis":"Historic district nomination gives George Ray design and building permit 242 dated July 17, 1916; precise completion not separately established.","rooms":17,"architect":"George Ray","occupationBasis":"OAS CICAD schedule dated November 14, 2025 identifies the official residence here for a December 16 reception. This is the multilateral representative residence, distinct from the bilateral ambassador residence.","functionBasis":"OAS CICAD schedule dated November 14, 2025 identifies the official residence here for a December 16 reception. This is the multilateral representative residence, distinct from the bilateral ambassador residence.","permitDate":"1916-07-17","permitNumber":"242","country":"Brazil","file":"Brazil.html","propertyType":"Other"},{"slug":"brazil","propertyId":"4706-wisconsin-ave-nw","title":"Former Naval Commission Office","propertyCategory":"other","address":"4706 Wisconsin Ave NW, Washington, DC","parcelIds":["1733    0835"],"landOnly":false,"id":"brazil-4706-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"American University","display":"American University","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2232,"display":"2,232 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1862420,"display":"$1,862,420","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":4896,"display":"4,896 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1733    0835 building 1 section 1: 4,896 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1963,"display":"1963","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"6–20","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 6–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1993,"display":"1993","status":"documented-by","basis":"A September 1993 Naval Postgraduate School thesis gives the Brazilian Naval Commission this address in its distribution list.","sourceUrls":["https://upload.wikimedia.org/wikipedia/commons/3/34/Using_multiple_searchers_to_locate_a_randomly_moving_target_(IA_usingmultiplesea1094539994).pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json","https://calhoun.nps.edu/server/api/core/bitstreams/695ab7e7-9c99-4f2b-8a93-beb90c18b747/content","https://upload.wikimedia.org/wikipedia/commons/3/34/Using_multiple_searchers_to_locate_a_randomly_moving_target_(IA_usingmultiplesea1094539994).pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE FEDERAL REPUBLIC OF BRAZIL"],"acquiredYear":null,"occupiedYear":1993,"notes":["Naval Postgraduate School thesis distribution list identifies the Brazilian Naval Commission here historically; current official Navy headquarters is 5130 MacArthur. Retain if tax owner is Brazil, but exact current use remains unknown."],"neighborhood":"American University","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1733    0835 building 1 section 1: 4,896 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 6–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A September 1993 Naval Postgraduate School thesis gives the Brazilian Naval Commission this address in its distribution list.","sourceUrls":["https://upload.wikimedia.org/wikipedia/commons/3/34/Using_multiple_searchers_to_locate_a_randomly_moving_target_(IA_usingmultiplesea1094539994).pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":2232,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1862420,"floorSqft":4896,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1733    0835 building 1 section 1: 4,896 sq ft (commercial)","constructedYear":1963,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"A September 1993 Naval Postgraduate School thesis gives the Brazilian Naval Commission this address in its distribution list.","functionBasis":"Naval Postgraduate School thesis distribution list identifies the Brazilian Naval Commission here historically; current official Navy headquarters is 5130 MacArthur. Retain if tax owner is Brazil, but exact current use remains unknown.","functionStatus":"historical-only","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":4896,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"4896 × 0.5 / 350 to 4896 × 0.7 / 180 = 6–20 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":6,"highRooms":20,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271733++++0835%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"6–20","country":"Brazil","file":"Brazil.html","propertyType":"Other"},{"slug":"china","propertyId":"2300-connecticut-ave-nw","title":"Embassy Staff Apartments","propertyCategory":"other","address":"2300 Connecticut Ave NW, Washington, DC","parcelIds":["2526    0197"],"landOnly":false,"id":"china-2300-connecticut-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":55607,"display":"55,607 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":87269373,"display":"$87,269,373","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":370000,"display":"370,000 sq ft","status":"estimated","basis":"DTZ’s May 2013 project announcement, reproduced with attribution in July 2014, gives a planned 370,000 sq ft residential compound. The as-built area has not been obtained; use this as a project-scope estimate rather than a measured completion figure.","sourceUrls":["https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2022,"display":"2022","status":"documented-by","basis":"AIA DC describes ongoing construction in April 2019. A photographer’s dated 1 May 2022 image shows the completed exterior of the present complex. This is an exterior-construction upper bound, not an exact completion, occupancy-permit or handover date. The retained 1920s façade is a separate phase.","sourceUrls":["https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"410–860","status":"estimated","basis":"The documented 130 apartments imply roughly 410–860 habitable and support rooms if each has 3–6 counted rooms and the shared facilities add 20–80. The apartment mix and common-room inventory remain unknown.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential","https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/","https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"Gensler; Philip A. Esocoff / Esocoff & Associates","display":"Gensler; Philip A. Esocoff / Esocoff & Associates","status":"verified","basis":"AIA DC credits Gensler and presenters Phil Esocoff and Dennis Zhang. Gensler states initial design by Esocoff & Associates in association with Gensler.","sourceUrls":["https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1979,"display":"1979","status":"documented-by","basis":"China’s embassy occupied this site by 1979. The present staff apartments came later; this date describes site use.","sourceUrls":["https://www.washingtonpost.com/local/confused-by-the-facade-that-overlooks-connecticut-avenue-heres-the-story/2013/11/02/ad065808-423d-11e3-a751-f032898f2dbc_story.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential","https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/","https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg","https://www.washingtonpost.com/local/confused-by-the-facade-that-overlooks-connecticut-avenue-heres-the-story/2013/11/02/ad065808-423d-11e3-a751-f032898f2dbc_story.html"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE PEOPLE'S REPUBLIC OF CHINA"],"acquiredYear":null,"occupiedYear":1979,"notes":["AIA DC April 5, 2019 construction-tour notice describes 130 apartments for embassy workers and retention of the original 1922 St Albans façade. The new residential complex was still under construction in April 2019; earlier anticipated completion dates cannot be reported as actual."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"estimated","constructedYear":"documented-by","rooms":"estimated","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"estimated","basis":"DTZ’s May 2013 project announcement, reproduced with attribution in July 2014, gives a planned 370,000 sq ft residential compound. The as-built area has not been obtained; use this as a project-scope estimate rather than a measured completion figure.","sourceUrls":["https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"documented-by","basis":"AIA DC describes ongoing construction in April 2019. A photographer’s dated 1 May 2022 image shows the completed exterior of the present complex. This is an exterior-construction upper bound, not an exact completion, occupancy-permit or handover date. The retained 1920s façade is a separate phase.","sourceUrls":["https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"The documented 130 apartments imply roughly 410–860 habitable and support rooms if each has 3–6 counted rooms and the shared facilities add 20–80. The apartment mix and common-room inventory remain unknown.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential","https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/","https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"AIA DC credits Gensler and presenters Phil Esocoff and Dennis Zhang. Gensler states initial design by Esocoff & Associates in association with Gensler.","sourceUrls":["https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"China’s embassy occupied this site by 1979. The present staff apartments came later; this date describes site use.","sourceUrls":["https://www.washingtonpost.com/local/confused-by-the-facade-that-overlooks-connecticut-avenue-heres-the-story/2013/11/02/ad065808-423d-11e3-a751-f032898f2dbc_story.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":55607,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"planned-gross-project-area"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":87269373,"floorSqft":370000,"floorBasis":"DTZ’s May 2013 project announcement, reproduced with attribution in July 2014, gives a planned 370,000 sq ft residential compound. The as-built area has not been obtained; use this as a project-scope estimate rather than a measured completion figure.","constructedYear":2022,"constructedBasis":"AIA DC describes ongoing construction in April 2019. A photographer’s dated 1 May 2022 image shows the completed exterior of the present complex. This is an exterior-construction upper bound, not an exact completion, occupancy-permit or handover date. The retained 1920s façade is a separate phase.","rooms":null,"architect":"Gensler; Philip A. Esocoff / Esocoff & Associates","occupationBasis":"China’s embassy occupied this site by 1979. The present staff apartments came later; this date describes site use.","functionBasis":"AIA DC April 5, 2019 construction-tour notice describes 130 apartments for embassy workers and retention of the original 1922 St Albans façade. The new residential complex was still under construction in April 2019; earlier anticipated completion dates cannot be reported as actual.","metricEstimates":{"floorSqft":{"method":"Published planned gross project area used as a qualified proxy.","inputs":{"plannedGrossSqft":370000,"announcementYear":2013},"assumptions":"The completed project broadly retains the announced scope; later design changes and the precise treatment of parking are unverified.","confidence":"Low to medium; project-specific published figure, no as-built area certificate.","sourceUrls":["https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/"]},"rooms":{"method":"Apartment-count sensitivity model.","inputs":{"apartments":130,"countedRoomsPerApartment":[3,6],"sharedRooms":[20,80]},"calculation":"130 × 3 + 20 = 410; 130 × 6 + 80 = 860.","assumptions":"Each apartment contains 3–6 bedrooms/living/kitchen-type spaces; shared recreation, meeting and service rooms total 20–80. These are assumptions.","exclusions":"Bathrooms, corridors, stairs, lifts, parking and major plant space.","confidence":"Low; apartment count is documented, internal plan is not.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272526++++0197%27%29&outFields=%2A&returnGeometry=false&f=json","https://web.archive.org/web/20210609213006id_/https://www.aiadc.com/event/members-only-construction-tour-chinese-embassy-residence","https://www.gensler.com/blog/inertia-of-home-embracing-long-term-thinking-in-residential","https://www.popville.com/2014/07/rendering-of-new-chinese-embassy-residences-on-connecticut-ave/","https://commons.wikimedia.org/wiki/File:Embassy_of_China,_Washington,_D.C._staff_residence.jpg"]}},"roomsDisplay":"410–860","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"2700-porter-st-nw","title":"Government-owned condominium","propertyCategory":"other","address":"2700 Porter St NW # B02, Washington, DC","parcelIds":["2222    0017"],"landOnly":false,"id":"china-2700-porter-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":50779,"display":"50,779 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":20701550,"display":"$20,701,550","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":42243,"display":"42,243 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2222    0017 building 1 section 1: 42,243 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2010,"display":"2010","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["OFFICE OF FOREIGN MISSIONS & EMBASSY OF PEOPLES CHINA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Forest Hills","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2222    0017 building 1 section 1: 42,243 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":50779,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":20701550,"floorSqft":42243,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2222    0017 building 1 section 1: 42,243 sq ft (commercial)","constructedYear":2010,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"2200-s-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"2200 S St NW, Washington, DC","parcelIds":["2517    0050"],"landOnly":false,"id":"china-2200-s-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":19500,"display":"19,500 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":8164770,"display":"$8,164,770","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":11818,"display":"11,818 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2517    0050 building 1: 11,818 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1930,"display":"1930","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":13,"display":"13","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE PEOPLE'S REPUBLIC OF CHINA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2517    0050 building 1: 11,818 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272517++++0050%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":19500,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":8164770,"floorSqft":11818,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2517    0050 building 1: 11,818 sq ft (residential)","constructedYear":1930,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":13,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"ordway-st-nw-lot-0013","title":"Government-owned parcel","propertyCategory":"other","address":"Ordway St NW, Washington, DC (Square 2222, lot 0013)","parcelIds":["2222    0013"],"landOnly":true,"id":"china-ordway-st-nw-lot-0013","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":31455,"display":"31,455 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":2271370,"display":"$2,271,370","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE EMBASSY OF THE PEOPLE'S REPUBLIC OF CHINA-EDUCATION OFFICE"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Forest Hills","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"not-applicable","constructedYear":"not-applicable","rooms":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272222++++0013%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":31455,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":2271370,"floorSqft":null,"floorBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","constructedYear":null,"constructedBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"s-st-nw","title":"Government-owned land","propertyCategory":"other","address":"S St NW, Washington, DC (Square 2518, lots 0031, 0030)","parcelIds":["2518    0030","2518    0031"],"landOnly":true,"id":"china-s-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5118,"display":"5,118 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":644040,"display":"$644,040","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE PEOPLE'S REPUBLIC OF CHINA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"not-applicable","constructedYear":"not-applicable","rooms":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272518++++0030%27%2C%272518++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":5118,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":644040,"floorSqft":null,"floorBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","constructedYear":null,"constructedBasis":"Unimproved land or parking parcels in the identified assessment scope; no building-specific value applies.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"2600-tilden-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"2600 Tilden St NW, Washington, DC","parcelIds":["2231    0007"],"landOnly":false,"id":"china-2600-tilden-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Forest Hills","display":"Forest Hills","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":108770,"display":"108,770 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7813870,"display":"$7,813,870","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":11051,"display":"11,051 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2231    0007 building 1: 7,035 sq ft (residential); 2231    0007 building 2: 2,144 sq ft (residential); 2231    0007 building 3: 1,872 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1810,"display":"1810","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":27,"display":"27","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2003,"display":"2003","status":"documented-by","basis":"A July 2003 permit report identifies Chinese education offices at 2600 Tilden Street.","sourceUrls":["https://www.washingtonpost.com/archive/local/2003/07/24/dc-growth-map-text/a16b5d36-ded9-4b0a-aad4-f5ab0c2a4e22/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.washingtonpost.com/archive/local/2003/07/24/dc-growth-map-text/a16b5d36-ded9-4b0a-aad4-f5ab0c2a4e22/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["THE EMBASSY OF THE PEOPLE'S REPUBLIC OF CHINA-EDUCATION OFFICE"],"acquiredYear":null,"occupiedYear":2003,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Forest Hills","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2231    0007 building 1: 7,035 sq ft (residential); 2231    0007 building 2: 2,144 sq ft (residential); 2231    0007 building 3: 1,872 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272231++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A July 2003 permit report identifies Chinese education offices at 2600 Tilden Street.","sourceUrls":["https://www.washingtonpost.com/archive/local/2003/07/24/dc-growth-map-text/a16b5d36-ded9-4b0a-aad4-f5ab0c2a4e22/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":108770,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7813870,"floorSqft":11051,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2231    0007 building 1: 7,035 sq ft (residential); 2231    0007 building 2: 2,144 sq ft (residential); 2231    0007 building 3: 1,872 sq ft (residential)","constructedYear":1810,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":27,"architect":null,"occupationBasis":"A July 2003 permit report identifies Chinese education offices at 2600 Tilden Street.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"2139-wisconsin-ave-nw","title":"Economic and Commercial Office","propertyCategory":"other","address":"2139 Wisconsin Ave NW, Washington, DC","parcelIds":["1299    0988"],"landOnly":false,"id":"china-2139-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":23060,"display":"23,060 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":22884330,"display":"$22,884,330","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":22783,"display":"22,783 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0988 building 1 section 1: 22,783 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1959,"display":"1959","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"32–89","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 32–89 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2001,"display":"2001","status":"documented-by","basis":"State diplomatic list identifies the Economic and Commercial Counselor office at this address in 2001; present specific function remains unverified.","sourceUrls":["https://2001-2009.state.gov/s/cpr/rls/dpl/2001/1090.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json","https://2001-2009.state.gov/s/cpr/rls/dpl/2001/1090.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY PEOPLE'S REPUBLIC CHINA"],"acquiredYear":null,"occupiedYear":2001,"notes":["State diplomatic list identifies the Economic and Commercial Counselor office at this address in 2001; present specific function remains unverified."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0988 building 1 section 1: 22,783 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 32–89 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"State diplomatic list identifies the Economic and Commercial Counselor office at this address in 2001; present specific function remains unverified.","sourceUrls":["https://2001-2009.state.gov/s/cpr/rls/dpl/2001/1090.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":23060,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":22884330,"floorSqft":22783,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0988 building 1 section 1: 22,783 sq ft (commercial)","constructedYear":1959,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"State diplomatic list identifies the Economic and Commercial Counselor office at this address in 2001; present specific function remains unverified.","functionBasis":"State diplomatic list identifies the Economic and Commercial Counselor office at this address in 2001; present specific function remains unverified.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":22783,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"22783 × 0.5 / 350 to 22783 × 0.7 / 180 = 32–89 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":32,"highRooms":89,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0988%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"32–89","country":"China","file":"China.html","propertyType":"Other"},{"slug":"china","propertyId":"2133-wisconsin-ave-nw","title":"Government-owned property","propertyCategory":"other","address":"2133 Wisconsin Ave NW, Washington, DC","parcelIds":["1299    0987"],"landOnly":false,"id":"china-2133-wisconsin-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":25029,"display":"25,029 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":19827990,"display":"$19,827,990","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":62847,"display":"62,847 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0987 building 1 section 1: 21,780 sq ft (commercial); 1299    0987 building 2 section 1: 41,067 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1964,"display":"1964","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1995,"display":"1995","status":"documented-by","basis":"The participant list for the December 1995 Codex committee meeting gives the Chinese embassy First Secretary Chaowei Li this office address.","sourceUrls":["https://www.fao.org/4/w0062e/w0062e0h.htm","https://www.fao.org/4/w0062e/w0062e00.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fao.org/4/w0062e/w0062e0h.htm","https://www.fao.org/4/w0062e/w0062e00.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY PEOPLE'S REPUBLIC CHINA"],"acquiredYear":null,"occupiedYear":1995,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0987 building 1 section 1: 21,780 sq ft (commercial); 1299    0987 building 2 section 1: 41,067 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271299++++0987%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The participant list for the December 1995 Codex committee meeting gives the Chinese embassy First Secretary Chaowei Li this office address.","sourceUrls":["https://www.fao.org/4/w0062e/w0062e0h.htm","https://www.fao.org/4/w0062e/w0062e00.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":25029,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":19827990,"floorSqft":62847,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1299    0987 building 1 section 1: 21,780 sq ft (commercial); 1299    0987 building 2 section 1: 41,067 sq ft (commercial)","constructedYear":1964,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The participant list for the December 1995 Codex committee meeting gives the Chinese embassy First Secretary Chaowei Li this office address.","country":"China","file":"China.html","propertyType":"Other"},{"slug":"singapore","propertyId":"3918-georgetown-ct-nw","title":"Government-owned residence","propertyCategory":"other","address":"3918 Georgetown Ct NW, Washington, DC","parcelIds":["1320    0836"],"landOnly":false,"id":"singapore-3918-georgetown-ct-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Burleith","display":"Burleith","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1580,"display":"1,580 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1492390,"display":"$1,492,390","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2256,"display":"2,256 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0836 building 1: 2,256 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1981,"display":"1981","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":8,"display":"8","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF SINGAPORE"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Burleith","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0836 building 1: 2,256 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1580,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1492390,"floorSqft":2256,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0836 building 1: 2,256 sq ft (residential)","constructedYear":1981,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":8,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Singapore","file":"Singapore.html","propertyType":"Other"},{"slug":"singapore","propertyId":"3984-georgetown-ct-nw","title":"Government-owned residence","propertyCategory":"other","address":"3984 Georgetown Ct NW, Washington, DC","parcelIds":["1320    0824"],"landOnly":false,"id":"singapore-3984-georgetown-ct-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Burleith","display":"Burleith","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2532,"display":"2,532 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1546010,"display":"$1,546,010","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2072,"display":"2,072 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0824 building 1: 2,072 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1981,"display":"1981","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":7,"display":"7","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF SINGAPORE"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Burleith","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0824 building 1: 2,072 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271320++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":2532,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1546010,"floorSqft":2072,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1320    0824 building 1: 2,072 sq ft (residential)","constructedYear":1981,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":7,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Singapore","file":"Singapore.html","propertyType":"Other"},{"slug":"russia","propertyId":"1115-16th-st-nw","title":"Embassy Annex","propertyCategory":"other","address":"1115 16th St NW, Washington, DC","parcelIds":["0197    0820"],"landOnly":false,"id":"russia-1115-16th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Central","display":"Central","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1410,"display":"1,410 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1693810,"display":"$1,693,810","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2841,"display":"2,841 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0197    0820 building 1 section 1: 2,841 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1893,"display":"1893","status":"verified","basis":"The nomination's architectural description dates the dwelling to 1893; its property inventory independently lists 1115 16th Street, square/lot 0197–0820, as 1893. PDF page 9, printed Section 7, page 4, architectural description; PDF page 29, printed Section 7, page 22, inventory entry for 1115 16th Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"4–12","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 4–12 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"W. A. Vaughn","display":"W. A. Vaughn","status":"verified","basis":"The district nomination states that W. A. Vaughn designed and constructed the single-family dwelling. PDF page 9, printed Section 7, page 4, architectural description; PDF page 29, printed Section 7, page 22, inventory entry for 1115 16th Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2006,"display":"2006","status":"documented-by","basis":"Official historic district nomination describes this separate 1893 dwelling as part of the Russian Embassy in 2006 and credits W. A. Vaughn as designer and builder. Adjacent to the 1125 16th Street residence; avoid treating it as a trade mission.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":2006,"notes":["Official historic district nomination describes this separate 1893 dwelling as part of the Russian Embassy in 2006 and credits W. A. Vaughn as designer and builder. Adjacent to the 1125 16th Street residence; avoid treating it as a trade mission."],"neighborhood":"Central","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"verified","rooms":"estimated","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0197    0820 building 1 section 1: 2,841 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"verified","basis":"The nomination's architectural description dates the dwelling to 1893; its property inventory independently lists 1115 16th Street, square/lot 0197–0820, as 1893. PDF page 9, printed Section 7, page 4, architectural description; PDF page 29, printed Section 7, page 22, inventory entry for 1115 16th Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 4–12 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"The district nomination states that W. A. Vaughn designed and constructed the single-family dwelling. PDF page 9, printed Section 7, page 4, architectural description; PDF page 29, printed Section 7, page 22, inventory entry for 1115 16th Street","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Official historic district nomination describes this separate 1893 dwelling as part of the Russian Embassy in 2006 and credits W. A. Vaughn as designer and builder. Adjacent to the 1125 16th Street residence; avoid treating it as a trade mission.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sixteenth%20Street%20Historic%20District%20Expanded%20%202006%20.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":1410,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope","architect":"original-designer-and-builder"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1693810,"floorSqft":2841,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0197    0820 building 1 section 1: 2,841 sq ft (commercial)","constructedYear":1893,"constructedBasis":"The nomination's architectural description dates the dwelling to 1893; its property inventory independently lists 1115 16th Street, square/lot 0197–0820, as 1893. PDF page 9, printed Section 7, page 4, architectural description; PDF page 29, printed Section 7, page 22, inventory entry for 1115 16th Street","rooms":null,"architect":"W. A. Vaughn","occupationBasis":"Official historic district nomination describes this separate 1893 dwelling as part of the Russian Embassy in 2006 and credits W. A. Vaughn as designer and builder. Adjacent to the 1125 16th Street residence; avoid treating it as a trade mission.","functionBasis":"Official historic district nomination describes this separate 1893 dwelling as part of the Russian Embassy in 2006 and credits W. A. Vaughn as designer and builder. Adjacent to the 1125 16th Street residence; avoid treating it as a trade mission.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":2841,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"2841 × 0.5 / 350 to 2841 × 0.7 / 180 = 4–12 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":4,"highRooms":12,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270197++++0820%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"4–12","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"2552-belmont-rd-nw","title":"Defense and Military Attaché Offices","propertyCategory":"other","address":"2552 Belmont Rd NW, Washington, DC","parcelIds":["2505    0020"],"landOnly":false,"id":"russia-2552-belmont-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5250,"display":"5,250 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7138010,"display":"$7,138,010","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":13163,"display":"13,163 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0020 building 1 section 1: 13,163 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1926,"display":"1926","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"18–52","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 18–52 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Soviet Military, Air and Naval Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":1973,"notes":["State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0020 building 1 section 1: 13,163 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 18–52 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Soviet Military, Air and Naval Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":5250,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7138010,"floorSqft":13163,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2505    0020 building 1 section 1: 13,163 sq ft (commercial)","constructedYear":1926,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"November 1973 State directory: Soviet Military, Air and Naval Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation.","functionStatus":"historical-confirmed-current-unverified","historicalUse":"Soviet Military, Air and Naval Attaché Offices","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":13163,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"13163 × 0.5 / 350 to 13163 × 0.7 / 180 = 18–52 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":18,"highRooms":52,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0020%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"18–52","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"1706-18th-st-nw","title":"Information Office","propertyCategory":"other","address":"1706 18th St NW, Washington, DC","parcelIds":["0133    0162","0133    0817"],"landOnly":false,"id":"russia-1706-18th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6791,"display":"6,791 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7023590,"display":"$7,023,590","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":16305,"display":"16,305 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0133    0162 building 1 section 1: 16,305 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1915,"display":"1915","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"23–64","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 23–64 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Soviet Information Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY UNION SOVIET SOCIALIST REPUBLIC","GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":1973,"notes":["State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0133    0162 building 1 section 1: 16,305 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 23–64 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270133++++0162%27%2C%270133++++0817%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Soviet Information Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":6791,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7023590,"floorSqft":16305,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0133    0162 building 1 section 1: 16,305 sq ft (commercial)","constructedYear":1915,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"November 1973 State directory: Soviet Information Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation.","functionStatus":"historical-confirmed-current-unverified","historicalUse":"Soviet Information Counselor Office","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":16305,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"16305 × 0.5 / 350 to 16305 × 0.7 / 180 = 23–64 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":23,"highRooms":64,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270133++++0162%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"23–64","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"tracy-pl-nw-lot-0808","title":"Government-owned property","propertyCategory":"other","address":"Tracy Pl NW, Washington, DC (Square 2505, lot 0808)","parcelIds":["2505    0808"],"landOnly":false,"id":"russia-tracy-pl-nw-lot-0808","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2625,"display":"2,625 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":534560,"display":"$534,560","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No positive property-specific building area in the retrieved CAMA records.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No usable original-construction year in the retrieved assessment records.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY UNION SOVIET SOCIALIST REPUBLIC"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"unverified","constructedYear":"unverified","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No positive property-specific building area in the retrieved CAMA records.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"unverified","basis":"No usable original-construction year in the retrieved assessment records.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272505++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":2625,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":534560,"floorSqft":null,"floorBasis":"No positive property-specific building area in the retrieved CAMA records.","constructedYear":null,"constructedBasis":"No usable original-construction year in the retrieved assessment records.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"1825-phelps-pl-nw","title":"Russian Cultural Center","propertyCategory":"other","address":"1825 Phelps Pl NW, Washington, DC","parcelIds":["2530    0076","2530    0807"],"landOnly":false,"id":"russia-1825-phelps-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7582,"display":"7,582 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":5086960,"display":"$5,086,960","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":9238,"display":"9,238 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2530    0076 building 1 section 1: 9,238 sq ft (commercial). The retrieved records do not measure every owned component; parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1895,"display":"1895","status":"estimated","basis":"The nomination dates Schneider's design to 1895 and records a December 21, 1895 building permit for Conrad and Anna Jenness Miller. Construction could have continued into 1896. PDF pages 43–44; printed Section 7, pages 39–40, 1825 Phelps Place entry; PDF page 79 for the architect's full name; PDF page 14 also dates the design to 1895 The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"13–36","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 13–36 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"Thomas Franklin Schneider","display":"Thomas Franklin Schneider","status":"verified","basis":"The nomination attributes the house to T. F. Schneider; the historical discussion identifies Thomas Franklin Schneider. PDF pages 43–44; printed Section 7, pages 39–40, 1825 Phelps Place entry; PDF page 79 for the architect's full name; PDF page 14 also dates the design to 1895","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Soviet Agricultural Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://t.me/s/EmbUSA?before=6244","https://t.me/s/ruscultureinUSA","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://t.me/s/EmbUSA?before=6244","https://t.me/s/ruscultureinUSA","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY UNION SOVIET SOCIALIST REPUBLIC","GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":1973,"notes":["State directory locates the center here in 2000. Subsequent official embassy and center event notices continue to give this address."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2530    0076 building 1 section 1: 9,238 sq ft (commercial). The retrieved records do not measure every owned component; parking is excluded.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"The nomination dates Schneider's design to 1895 and records a December 21, 1895 building permit for Conrad and Anna Jenness Miller. Construction could have continued into 1896. PDF pages 43–44; printed Section 7, pages 39–40, 1825 Phelps Place entry; PDF page 79 for the architect's full name; PDF page 14 also dates the design to 1895 The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 13–36 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"The nomination attributes the house to T. F. Schneider; the historical discussion identifies Thomas Franklin Schneider. PDF pages 43–44; printed Section 7, pages 39–40, 1825 Phelps Place entry; PDF page 79 for the architect's full name; PDF page 14 also dates the design to 1895","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Soviet Agricultural Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://t.me/s/EmbUSA?before=6244","https://t.me/s/ruscultureinUSA","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":7582,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"partial","rooms":"partial","constructedYear":"design-and-permit-year"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":5086960,"floorSqft":9238,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2530    0076 building 1 section 1: 9,238 sq ft (commercial). The retrieved records do not measure every owned component; parking is excluded.","constructedYear":1895,"constructedBasis":"The nomination dates Schneider's design to 1895 and records a December 21, 1895 building permit for Conrad and Anna Jenness Miller. Construction could have continued into 1896. PDF pages 43–44; printed Section 7, pages 39–40, 1825 Phelps Place entry; PDF page 79 for the architect's full name; PDF page 14 also dates the design to 1895 The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","rooms":null,"architect":"Thomas Franklin Schneider","occupationBasis":"November 1973 State directory: Soviet Agricultural Counselor Office. This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"State directory locates the center here in 2000. Subsequent official embassy and center event notices continue to give this address.","historicalUse":"Soviet Agricultural Counselor Office","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":9238,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"9238 × 0.5 / 350 to 9238 × 0.7 / 180 = 13–36 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":13,"highRooms":36,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272530++++0076%27%2C%272530++++0807%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"13–36","permitDate":"1895-12-21","permitNumber":"930","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"2001-connecticut-ave-nw","title":"Former Trade Representation","propertyCategory":"other","address":"2001 Connecticut Ave NW, Washington, DC","parcelIds":["2536    0308"],"landOnly":false,"id":"russia-2001-connecticut-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":25954,"display":"25,954 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":20172840,"display":"$20,172,840","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":14957,"display":"14,957 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2536    0308 building 1 section 1: 14,957 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1909,"display":"1908–1909","status":"verified","basis":"The National Register nomination dates construction to 1908–1909 and records building permit 843, issued 2 September 1908. The numeric sort year is the end of the documented range. PDF pages 3–4.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":40,"display":"40","status":"reported","basis":"The nomination reports a forty-room original design. PDF page 3, Section 7 description, construction, permit, architects and forty-room design; PDF page 4, Section 8 summary, construction range; PDF page 13, printed Section 8, page 5, twentieth-century occupancy and December 1975 acquisition This count describes the original design. The present room inventory remains unverified.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"Hornblower and Marshall","display":"Hornblower and Marshall","status":"verified","basis":"The individual National Register nomination identifies Hornblower and Marshall as the architects. PDF page 3, Section 7 description, construction, permit, architects and forty-room design; PDF page 4, Section 8 summary, construction range; PDF page 13, printed Section 8, page 5, twentieth-century occupancy and December 1975 acquisition","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1943,"display":"1943","status":"documented-by","basis":"The Soviet Office of the Attaché was briefly associated with the property in 1943. Subsequent occupants included Canada's Department of Defense Production, Australian Joint Service Staff, and an English-language school before the Soviet purchase. This is evidence of brief Soviet use by 1943, followed by other tenants; it is not the beginning of uninterrupted Soviet or Russian occupation. The USSR purchased the property in December 1975.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://2017-2021.state.gov/senior-administration-official-on-russia/","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/FMBZA%2019130%20OP%20Report.pdf","https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":1975,"occupiedYear":1943,"notes":["State directory identifies trade mission here; August 31, 2017 official briefing ordered Washington trade mission closed by September 2. The National Register nomination dates construction to 1908–1909. Ownership and current active use are distinct.","The mansion’s original design contained 40 rooms. That historical program is not a count of the present layout. Soviet attaché use is documented in 1943; Canadian, Australian, and other tenants followed before Soviet purchase in December 1975."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"verified","rooms":"reported","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2536    0308 building 1 section 1: 14,957 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272536++++0308%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"verified","basis":"The National Register nomination dates construction to 1908–1909 and records building permit 843, issued 2 September 1908. The numeric sort year is the end of the documented range. PDF pages 3–4.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"reported","basis":"The nomination reports a forty-room original design. PDF page 3, Section 7 description, construction, permit, architects and forty-room design; PDF page 4, Section 8 summary, construction range; PDF page 13, printed Section 8, page 5, twentieth-century occupancy and December 1975 acquisition This count describes the original design. The present room inventory remains unverified.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"verified","basis":"The individual National Register nomination identifies Hornblower and Marshall as the architects. PDF page 3, Section 7 description, construction, permit, architects and forty-room design; PDF page 4, Section 8 summary, construction range; PDF page 13, printed Section 8, page 5, twentieth-century occupancy and December 1975 acquisition","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Soviet Office of the Attaché was briefly associated with the property in 1943. Subsequent occupants included Canada's Department of Defense Production, Australian Joint Service Staff, and an English-language school before the Soviet purchase. This is evidence of brief Soviet use by 1943, followed by other tenants; it is not the beginning of uninterrupted Soviet or Russian occupation. The USSR purchased the property in December 1975.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":25954,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"historic-original-room-program","constructedYear":"completion-end-of-documented-construction-range","occupiedYear":"earliest-documented-soviet-use-interrupted"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":20172840,"floorSqft":14957,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2536    0308 building 1 section 1: 14,957 sq ft (commercial)","constructedYear":1909,"constructedBasis":"The National Register nomination dates construction to 1908–1909 and records building permit 843, issued 2 September 1908. The numeric sort year is the end of the documented range. PDF pages 3–4.","rooms":40,"architect":"Hornblower and Marshall","occupationBasis":"The Soviet Office of the Attaché was briefly associated with the property in 1943. Subsequent occupants included Canada's Department of Defense Production, Australian Joint Service Staff, and an English-language school before the Soviet purchase. This is evidence of brief Soviet use by 1943, followed by other tenants; it is not the beginning of uninterrupted Soviet or Russian occupation. The USSR purchased the property in December 1975.","functionBasis":"State directory identifies trade mission here; August 31, 2017 official briefing ordered Washington trade mission closed by September 2. DC planning report gives construction in 1908. Ownership and current active use are distinct.","functionStatus":"closed-former-office","closedYear":2017,"metricEstimates":{},"roomsDisplay":"40 original rooms","constructedDisplay":"1908–1909","acquisitionEvidence":{"status":"verified","acquiredDate":"1975-12","basis":"The nomination records Soviet purchase in December 1975.","sourceUrls":["https://npgallery.nps.gov/GetAsset/ef0d8241-d383-40ec-8bb8-a7c40af631e5/"]},"permitDate":"1908-09-02","permitNumber":"843","constructionStartYear":1908,"constructionEndYear":1909,"historicalName":"Lothrop Mansion","constructedYearRange":[1908,1909],"country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"3875-tunlaw-rd-nw","title":"Diplomatic Residential Property","propertyCategory":"other","address":"3875 Tunlaw Rd NW, Washington, DC","parcelIds":["1809    0018"],"landOnly":false,"id":"russia-3875-tunlaw-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Observatory Circle","display":"Observatory Circle","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":23989,"display":"23,989 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3808690,"display":"$3,808,690","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":26687,"display":"26,687 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1809    0018 building 1 section 1: 26,687 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1968,"display":"1968","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1977,"display":"1977","status":"documented-by","basis":"Contemporary 1977 reporting identifies this address as a Soviet residence; present residential function is unverified.","sourceUrls":["https://www.washingtonpost.com/archive/local/1977/04/19/classified-cia-papers-blackmail-letter-found-in-garage-court-is-told/db32307c-b829-4be1-8586-ac08cb410f84/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.washingtonpost.com/archive/local/1977/04/19/classified-cia-papers-blackmail-letter-found-in-garage-court-is-told/db32307c-b829-4be1-8586-ac08cb410f84/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":1977,"notes":["Contemporary 1977 reporting identifies this address as a Soviet residence; present residential function is unverified."],"neighborhood":"Observatory Circle","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1809    0018 building 1 section 1: 26,687 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271809++++0018%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Contemporary 1977 reporting identifies this address as a Soviet residence; present residential function is unverified.","sourceUrls":["https://www.washingtonpost.com/archive/local/1977/04/19/classified-cia-papers-blackmail-letter-found-in-garage-court-is-told/db32307c-b829-4be1-8586-ac08cb410f84/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":23989,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3808690,"floorSqft":26687,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1809    0018 building 1 section 1: 26,687 sq ft (commercial)","constructedYear":1968,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Contemporary 1977 reporting identifies this address as a Soviet residence; present residential function is unverified.","functionBasis":"Contemporary 1977 reporting identifies this address as a Soviet residence; present residential function is unverified.","functionStatus":"historical-confirmed-current-unverified","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"russia","propertyId":"1609-decatur-st-nw","title":"Fisheries Attaché Office","propertyCategory":"other","address":"1609 Decatur St NW, Washington, DC","parcelIds":["2654    0002","2654    0808"],"landOnly":false,"id":"russia-1609-decatur-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Crestwood","display":"Crestwood","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":12012,"display":"12,012 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1410670,"display":"$1,410,670","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2072,"display":"2,072 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2654    0002 building 1: 2,072 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1911,"display":"1911","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":11,"display":"11","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Soviet Consular Division. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY UNION SOVIET SOCIALIST REPUBLIC","GOVERNMENT OF THE RUSSIAN FEDERATION"],"acquiredYear":null,"occupiedYear":1973,"notes":["State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation."],"neighborhood":"Crestwood","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2654    0002 building 1: 2,072 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272654++++0002%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272654++++0002%27%2C%272654++++0808%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Soviet Consular Division. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://1997-2001.state.gov/about_state/contacts/diplist/2000/00spring_4.html","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":12012,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1410670,"floorSqft":2072,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2654    0002 building 1: 2,072 sq ft (residential)","constructedYear":1911,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":11,"architect":null,"occupationBasis":"November 1973 State directory: Soviet Consular Division. This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"State Department Spring 2000 diplomatic directory identifies this departmental office. Current government tax ownership supports property retention; current departmental use needs separate confirmation.","functionStatus":"historical-confirmed-current-unverified","historicalUse":"Soviet Consular Division","country":"Russia","file":"Russia.html","propertyType":"Other"},{"slug":"turkey","propertyId":"1526-18th-st-nw","title":"Government-owned property","propertyCategory":"other","address":"1526 18th St NW, Washington, DC","parcelIds":["0136    0027"],"landOnly":false,"id":"turkey-1526-18th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1419,"display":"1,419 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3132610,"display":"$3,132,610","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":4353,"display":"4,353 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0136    0027 building 1 section 1: 4,353 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1900,"display":"1900","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF TURKEY"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Old City 2","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0136    0027 building 1 section 1: 4,353 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270136++++0027%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":1419,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3132610,"floorSqft":4353,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0136    0027 building 1 section 1: 4,353 sq ft (commercial)","constructedYear":1900,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Türkiye","file":"Turkey.html","propertyType":"Other"},{"slug":"turkey","propertyId":"2202-massachusetts-ave-nw","title":"Government-owned property","propertyCategory":"other","address":"2202 Massachusetts Ave NW, Washington, DC","parcelIds":["2511    0037"],"landOnly":false,"id":"turkey-2202-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1802,"display":"1,802 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3175090,"display":"$3,175,090","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5533,"display":"5,533 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2511    0037 building 1 section 1: 5,533 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1914,"display":"1914","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Turkish Military, Naval and Air Attaché Offices. November 1973 Diplomatic List, PDF page 59, printed page 108.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["REPUBLIC OF TURKEY"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2511    0037 building 1 section 1: 5,533 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272511++++0037%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Turkish Military, Naval and Air Attaché Offices. November 1973 Diplomatic List, PDF page 59, printed page 108.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":1802,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3175090,"floorSqft":5533,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2511    0037 building 1 section 1: 5,533 sq ft (commercial)","constructedYear":1914,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Turkish Military, Naval and Air Attaché Offices. November 1973 Diplomatic List, PDF page 59, printed page 108.","historicalUse":"Turkish Military, Naval and Air Attaché Offices","country":"Türkiye","file":"Turkey.html","propertyType":"Other"},{"slug":"germany","propertyId":"2500-foxhall-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"2500 Foxhall Rd NW, Washington, DC","parcelIds":["1397    0959"],"landOnly":false,"id":"germany-2500-foxhall-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":18020,"display":"18,020 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":7230370,"display":"$7,230,370","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5987,"display":"5,987 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1397    0959 building 1: 5,987 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1988,"display":"1988","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":16,"display":"16","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1990,"display":"1990","status":"documented-by","basis":"Senator Bob Dole's schedule for February 8, 1990 lists a reception hosted by Ambassador Juergen Ruhfus and his wife at 2500 Foxhall Road for the Senate Study Group on Germany. The exact address is subsequently identified as the deputy chief of mission's home in the official 2019 PREP exchange program.","sourceUrls":["https://dolecollections.ku.edu/files/original/51/s-pers_015_012_all/s-pers_015_012_all.pdf","https://www.preussischer-kulturbesitz.de/fileadmin/user_upload_SPK/documents/mediathek/schwerpunkte/wissenschaft_forschung/rp/PREP_Booklet_Washington_2019.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json","https://dolecollections.ku.edu/files/original/51/s-pers_015_012_all/s-pers_015_012_all.pdf","https://www.preussischer-kulturbesitz.de/fileadmin/user_upload_SPK/documents/mediathek/schwerpunkte/wissenschaft_forschung/rp/PREP_Booklet_Washington_2019.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["EMBASSY FED REPUBLIC GERMANY"],"acquiredYear":null,"occupiedYear":1990,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Berkley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1397    0959 building 1: 5,987 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271397++++0959%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Senator Bob Dole's schedule for February 8, 1990 lists a reception hosted by Ambassador Juergen Ruhfus and his wife at 2500 Foxhall Road for the Senate Study Group on Germany. The exact address is subsequently identified as the deputy chief of mission's home in the official 2019 PREP exchange program.","sourceUrls":["https://dolecollections.ku.edu/files/original/51/s-pers_015_012_all/s-pers_015_012_all.pdf","https://www.preussischer-kulturbesitz.de/fileadmin/user_upload_SPK/documents/mediathek/schwerpunkte/wissenschaft_forschung/rp/PREP_Booklet_Washington_2019.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":18020,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":7230370,"floorSqft":5987,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1397    0959 building 1: 5,987 sq ft (residential)","constructedYear":1988,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":16,"architect":null,"occupationBasis":"Senator Bob Dole's schedule for February 8, 1990 lists a reception hosted by Ambassador Juergen Ruhfus and his wife at 2500 Foxhall Road for the Senate Study Group on Germany. The exact address is subsequently identified as the deputy chief of mission's home in the official 2019 PREP exchange program.","country":"Germany","file":"Germany.html","propertyType":"Other"},{"slug":"saudi-arabia","propertyId":"2109-e-st-nw","title":"Government-owned property","propertyCategory":"other","address":"2109 E St NW, Washington, DC","parcelIds":["0081    0836"],"landOnly":false,"id":"saudi-arabia-2109-e-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Foggy Bottom","display":"Foggy Bottom","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":4708,"display":"4,708 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":9668620,"display":"$9,668,620","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":16500,"display":"16,500 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0081    0836 building 1 section 1: 16,500 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1948,"display":"1948","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1990,"display":"1990","status":"documented-by","basis":"The 1990 edition of Update: Saudi Arabia lists the Saudi Military Attache's Office at 2109 E Street NW. The directory entry establishes former Saudi military-office use by 1990.","sourceUrls":["https://files.eric.ed.gov/fulltext/ED336289.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json","https://files.eric.ed.gov/fulltext/ED336289.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["KINGDOM OF SAUDI ARABIA"],"acquiredYear":null,"occupiedYear":1990,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Foggy Bottom","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0081    0836 building 1 section 1: 16,500 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270081++++0836%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The 1990 edition of Update: Saudi Arabia lists the Saudi Military Attache's Office at 2109 E Street NW. The directory entry establishes former Saudi military-office use by 1990.","sourceUrls":["https://files.eric.ed.gov/fulltext/ED336289.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":4708,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":9668620,"floorSqft":16500,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0081    0836 building 1 section 1: 16,500 sq ft (commercial)","constructedYear":1948,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The 1990 edition of Update: Saudi Arabia lists the Saudi Military Attache's Office at 2109 E Street NW. The directory entry establishes former Saudi military-office use by 1990.","country":"Saudi Arabia","file":"Saudi-Arabia.html","propertyType":"Other"},{"slug":"saudi-arabia","propertyId":"1001-30th-st-nw","title":"Government-owned property","propertyCategory":"other","address":"1001 30th St NW, Washington, DC","parcelIds":["1192    0819"],"landOnly":false,"id":"saudi-arabia-1001-30th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Georgetown","display":"Georgetown","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":14166,"display":"14,166 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":46014270,"display":"$46,014,270","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":120577,"display":"120,577 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    0819 building 1 section 1: 120,577 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1987,"display":"1987","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1993,"display":"1993","status":"documented-by","basis":"The Commission of Fine Arts' March 1993 appendix identifies the Royal Embassy of Saudi Arabia at 1001 30th Street and approves alterations to an existing embassy building. The property had been acquired in 1992, but the proposed use date is based on the later official description of embassy use.","sourceUrls":["https://upload.wikimedia.org/wikipedia/commons/8/86/January_21_1993_to_November_18_1993_%28IA_cfaminutes22april1993%29.pdf","https://law.justia.com/cases/federal/appellate-courts/F3/28/1209/581376/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json","https://upload.wikimedia.org/wikipedia/commons/8/86/January_21_1993_to_November_18_1993_%28IA_cfaminutes22april1993%29.pdf","https://law.justia.com/cases/federal/appellate-courts/F3/28/1209/581376/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["KINGDOM OF SAUDI ARABIA"],"acquiredYear":null,"occupiedYear":1993,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Georgetown","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    0819 building 1 section 1: 120,577 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271192++++0819%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Commission of Fine Arts' March 1993 appendix identifies the Royal Embassy of Saudi Arabia at 1001 30th Street and approves alterations to an existing embassy building. The property had been acquired in 1992, but the proposed use date is based on the later official description of embassy use.","sourceUrls":["https://upload.wikimedia.org/wikipedia/commons/8/86/January_21_1993_to_November_18_1993_%28IA_cfaminutes22april1993%29.pdf","https://law.justia.com/cases/federal/appellate-courts/F3/28/1209/581376/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":14166,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":46014270,"floorSqft":120577,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1192    0819 building 1 section 1: 120,577 sq ft (commercial)","constructedYear":1987,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The Commission of Fine Arts' March 1993 appendix identifies the Royal Embassy of Saudi Arabia at 1001 30th Street and approves alterations to an existing embassy building. The property had been acquired in 1992, but the proposed use date is based on the later official description of embassy use.","country":"Saudi Arabia","file":"Saudi-Arabia.html","propertyType":"Other"},{"slug":"australia","propertyId":"3148-cleveland-ave-nw","title":"Government-owned property","propertyCategory":"other","address":"3148 Cleveland Ave NW, Washington, DC","parcelIds":["2127    0004"],"landOnly":false,"id":"australia-3148-cleveland-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":19588,"display":"19,588 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":6304680,"display":"$6,304,680","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":7684,"display":"7,684 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0004 building 1 section 1: 7,684 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1927,"display":"1927","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"9–20","status":"estimated","basis":"Documented diplomatic residential use: approximately 9–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister Roy R. Fernandez. November 1973 Diplomatic List, PDF page 10, printed page 13.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE COMMONWEALTH OF AUSTRALIA"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Massachusetts Avenue Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0004 building 1 section 1: 7,684 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented diplomatic residential use: approximately 9–20 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister Roy R. Fernandez. November 1973 Diplomatic List, PDF page 10, printed page 13.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":19588,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":6304680,"floorSqft":7684,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0004 building 1 section 1: 7,684 sq ft (commercial)","constructedYear":1927,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Minister Roy R. Fernandez. November 1973 Diplomatic List, PDF page 10, printed page 13.","historicalUse":"Residence of Minister Roy R. Fernandez","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":7684,"roomFloorFraction":[0.5,0.65],"averageCountedRoomSqft":[250,420]},"calculation":"7684 × 0.5 / 420 to 7684 × 0.65 / 250 = 9–20 rooms (outward rounded).","assumptions":"Documented diplomatic residential use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":9,"highRooms":20,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272127++++0004%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"9–20","country":"Australia","file":"Australia.html","propertyType":"Other"},{"slug":"australia","propertyId":"3115-woodland-dr-nw","title":"Government-owned residence","propertyCategory":"other","address":"3115 Woodland Dr NW, Washington, DC","parcelIds":["2127    0802"],"landOnly":false,"id":"australia-3115-woodland-dr-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":17375,"display":"17,375 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":5501000,"display":"$5,501,000","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":6944,"display":"6,944 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0802 building 1: 6,944 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1924,"display":"1924","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":14,"display":"14","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2000,"display":"2000","status":"documented-by","basis":"The Commonwealth of Australia Gazette of June 12, 2000 gives 3115 Woodland Drive NW as the address of Rear Admiral Charles Simon Harrington and identifies his service as Head Australian Defence Staff, Washington. It provides dated official evidence of residential use connected to Australia's defence representation.","sourceUrls":["https://www.gg.gov.au/sites/default/files/2025-08/Order%20of%20Australia%20-%20Queen%27s%20Birthday%202000%20%28QB00%29%20-%20Gazette%20S273.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.gg.gov.au/sites/default/files/2025-08/Order%20of%20Australia%20-%20Queen%27s%20Birthday%202000%20%28QB00%29%20-%20Gazette%20S273.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE COMMONWEALTH OF AUSTRALIA"],"acquiredYear":null,"occupiedYear":2000,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Massachusetts Avenue Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0802 building 1: 6,944 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0802%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Commonwealth of Australia Gazette of June 12, 2000 gives 3115 Woodland Drive NW as the address of Rear Admiral Charles Simon Harrington and identifies his service as Head Australian Defence Staff, Washington. It provides dated official evidence of residential use connected to Australia's defence representation.","sourceUrls":["https://www.gg.gov.au/sites/default/files/2025-08/Order%20of%20Australia%20-%20Queen%27s%20Birthday%202000%20%28QB00%29%20-%20Gazette%20S273.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":17375,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":5501000,"floorSqft":6944,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0802 building 1: 6,944 sq ft (residential)","constructedYear":1924,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":14,"architect":null,"occupationBasis":"The Commonwealth of Australia Gazette of June 12, 2000 gives 3115 Woodland Drive NW as the address of Rear Admiral Charles Simon Harrington and identifies his service as Head Australian Defence Staff, Washington. It provides dated official evidence of residential use connected to Australia's defence representation.","country":"Australia","file":"Australia.html","propertyType":"Other"},{"slug":"australia","propertyId":"2710-31st-pl-nw","title":"Government-owned residence","propertyCategory":"other","address":"2710 31st Pl NW, Washington, DC","parcelIds":["2127    0801"],"landOnly":false,"id":"australia-2710-31st-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":10292,"display":"10,292 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3321280,"display":"$3,321,280","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3406,"display":"3,406 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0801 building 1: 3,406 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1991,"display":"1991","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":9,"display":"9","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE COMMONWEALTH OF AUSTRALIA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Massachusetts Avenue Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0801 building 1: 3,406 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0801%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":10292,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3321280,"floorSqft":3406,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0801 building 1: 3,406 sq ft (residential)","constructedYear":1991,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":9,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Australia","file":"Australia.html","propertyType":"Other"},{"slug":"australia","propertyId":"2720-31st-pl-nw","title":"Government-owned residence","propertyCategory":"other","address":"2720 31st Pl NW, Washington, DC","parcelIds":["2127    0007"],"landOnly":false,"id":"australia-2720-31st-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Massachusetts Avenue Heights","display":"Massachusetts Avenue Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":15000,"display":"15,000 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":3736810,"display":"$3,736,810","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3511,"display":"3,511 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0007 building 1: 3,511 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1991,"display":"1991","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":9,"display":"9","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE COMMONWEALTH OF AUSTRALIA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Massachusetts Avenue Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0007 building 1: 3,511 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272127++++0007%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":15000,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":3736810,"floorSqft":3511,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2127    0007 building 1: 3,511 sq ft (residential)","constructedYear":1991,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":9,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Australia","file":"Australia.html","propertyType":"Other"},{"slug":"mexico","propertyId":"2440-massachusetts-ave-nw","title":"Permanent Mission to the OAS","propertyCategory":"other","address":"2440 Massachusetts Ave NW, Washington, DC","parcelIds":["2500    0059"],"landOnly":false,"id":"mexico-2440-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5262,"display":"5,262 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4149720,"display":"$4,149,720","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":8595,"display":"8,595 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0059 building 1 section 1: 8,595 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1932,"display":"1932","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"12–34","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 12–34 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1997,"display":"1997","status":"documented-by","basis":"The June 1997 Congressional Directory lists Mexico’s Permanent Mission to the Organization of American States at 2440 Massachusetts Avenue. This establishes use by 1997, not an opening date.","sourceUrls":["https://www.govinfo.gov/content/pkg/CDIR-1997-06-04/pdf/CDIR-1997-06-04-INTERNATIONALORGANIZATIONS.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json","https://mision.sre.gob.mx/oea/index.php/contacto","https://www.oas.org/ext/es/principal/oea/estados-miembros/mexico","https://www.govinfo.gov/content/pkg/CDIR-1997-06-04/pdf/CDIR-1997-06-04-INTERNATIONALORGANIZATIONS.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE UNITED MEXICAN STATES"],"acquiredYear":null,"occupiedYear":1997,"notes":["Both the Mexican Foreign Ministry and OAS identify the current permanent mission at this address."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0059 building 1 section 1: 8,595 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 12–34 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The June 1997 Congressional Directory lists Mexico’s Permanent Mission to the Organization of American States at 2440 Massachusetts Avenue. This establishes use by 1997, not an opening date.","sourceUrls":["https://www.govinfo.gov/content/pkg/CDIR-1997-06-04/pdf/CDIR-1997-06-04-INTERNATIONALORGANIZATIONS.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":5262,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4149720,"floorSqft":8595,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0059 building 1 section 1: 8,595 sq ft (commercial)","constructedYear":1932,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The June 1997 Congressional Directory lists Mexico’s Permanent Mission to the Organization of American States at 2440 Massachusetts Avenue. This establishes use by 1997, not an opening date.","functionBasis":"Both the Mexican Foreign Ministry and OAS identify the current permanent mission at this address.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":8595,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"8595 × 0.5 / 350 to 8595 × 0.7 / 180 = 12–34 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":12,"highRooms":34,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0059%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"12–34","country":"Mexico","file":"Mexico.html","propertyType":"Other"},{"slug":"mexico","propertyId":"2210-kalorama-rd-nw","title":"Government-owned residence","propertyCategory":"other","address":"2210 Kalorama Rd NW, Washington, DC","parcelIds":["2527    0302"],"landOnly":false,"id":"mexico-2210-kalorama-rd-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6628,"display":"6,628 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":5245880,"display":"$5,245,880","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":4530,"display":"4,530 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2527    0302 building 1: 4,530 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1978,"display":"1978","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":12,"display":"12","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE UNITED MEXICAN STATES"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2527    0302 building 1: 4,530 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272527++++0302%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":6628,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":5245880,"floorSqft":4530,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2527    0302 building 1: 4,530 sq ft (residential)","constructedYear":1978,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":12,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Mexico","file":"Mexico.html","propertyType":"Other"},{"slug":"pakistan","propertyId":"2315-massachusetts-ave-nw","title":"Former Chancery","propertyCategory":"other","address":"2315 Massachusetts Ave NW, Washington, DC","parcelIds":["2516    0060"],"landOnly":false,"id":"pakistan-2315-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":4632,"display":"4,632 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":11330920,"display":"$11,330,920","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":19663,"display":"19,663 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0060 building 1 section 1: 19,663 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1909,"display":"1909","status":"estimated","basis":"Permit to Build 953 dated September 10, 1909; original completion year is not separately established. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"George Oakley Totten Jr.","display":"George Oakley Totten Jr.","status":"verified","basis":"Do not exclude this address because of the 2023 disposal: official report specifies R Street and explicitly says no other property was being sold. The historic-district nomination credits George Oakley Totten Jr. and building permit 953 dated September 10, 1909. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Pakistan Chancery. This establishes earlier diplomatic use, not commencement of the present function. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF PAKISTAN"],"acquiredYear":null,"occupiedYear":1973,"notes":["Do not exclude this address because of the 2023 disposal: official report specifies R Street and explicitly says no other property was being sold. The historic-district nomination credits George Oakley Totten Jr. and building permit 953 dated September 10, 1909."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0060 building 1 section 1: 19,663 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Permit to Build 953 dated September 10, 1909; original completion year is not separately established. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0060%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"Do not exclude this address because of the 2023 disposal: official report specifies R Street and explicitly says no other property was being sold. The historic-district nomination credits George Oakley Totten Jr. and building permit 953 dated September 10, 1909. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Pakistan Chancery. This establishes earlier diplomatic use, not commencement of the present function. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","sourceUrls":["https://www.radio.gov.pk/14-07-2023/old-embassy-building-sold-as-per-government-decision","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":4632,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":11330920,"floorSqft":19663,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0060 building 1 section 1: 19,663 sq ft (commercial)","constructedYear":1909,"constructedBasis":"Permit to Build 953 dated September 10, 1909; original completion year is not separately established. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","rooms":null,"architect":"George Oakley Totten Jr.","occupationBasis":"November 1973 State directory: Pakistan Chancery. This establishes earlier diplomatic use, not commencement of the present function. Sheridan-Kalorama nomination PDF p.42 (printed section 7 p.38).","functionBasis":"Do not exclude this address because of the 2023 disposal: official report specifies R Street and explicitly says no other property was being sold. The historic-district nomination credits George Oakley Totten Jr. and building permit 953 dated September 10, 1909.","historicalUse":"Pakistan Chancery","country":"Pakistan","file":"Pakistan.html","propertyType":"Other"},{"slug":"pakistan","propertyId":"2865-arizona-ter-nw","title":"Government-owned residence","propertyCategory":"other","address":"2865 Arizona Ter NW, Washington, DC","parcelIds":["1439    0915"],"landOnly":false,"id":"pakistan-2865-arizona-ter-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kent","display":"Kent","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5677,"display":"5,677 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1341910,"display":"$1,341,910","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":2533,"display":"2,533 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0915 building 1: 2,533 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1960,"display":"1960","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":11,"display":"11","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Economic Minister Abdul Majid Mufti. November 1973 Diplomatic List, PDF p.47, printed p.86.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF PAKISTAN"],"acquiredYear":null,"occupiedYear":1973,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kent","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0915 building 1: 2,533 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0915%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Economic Minister Abdul Majid Mufti. November 1973 Diplomatic List, PDF p.47, printed p.86.","sourceUrls":["https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":5677,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1341910,"floorSqft":2533,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0915 building 1: 2,533 sq ft (residential)","constructedYear":1960,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":11,"architect":null,"occupationBasis":"Dated official directory identifies this address and mission role. Bound refers to country diplomatic use, not necessarily present function or exact start. Historical role: Residence of Economic Minister Abdul Majid Mufti. November 1973 Diplomatic List, PDF p.47, printed p.86.","historicalUse":"Residence of Economic Minister Abdul Majid Mufti","country":"Pakistan","file":"Pakistan.html","propertyType":"Other"},{"slug":"pakistan","propertyId":"2822-arizona-ter-nw","title":"Government-owned residence","propertyCategory":"other","address":"2822 Arizona Ter NW, Washington, DC","parcelIds":["1439    0934"],"landOnly":false,"id":"pakistan-2822-arizona-ter-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kent","display":"Kent","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":6871,"display":"6,871 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1554580,"display":"$1,554,580","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3076,"display":"3,076 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0934 building 1: 3,076 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1962,"display":"1962","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":9,"display":"9","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2020,"display":"2020","status":"documented-by","basis":"The Pakistan government directory identified by its 2020 file date lists 2822 Arizona Terrace as the residential address of a Washington embassy counsellor. The posting date in the adjacent column is not used as a property occupation date.","sourceUrls":["https://mohtasib.gov.pk/SiteImage/Downloads/officials_of_foreign_mission_11_12_2020.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json","https://mohtasib.gov.pk/SiteImage/Downloads/officials_of_foreign_mission_11_12_2020.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF PAKISTAN"],"acquiredYear":null,"occupiedYear":2020,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Kent","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0934 building 1: 3,076 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271439++++0934%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Pakistan government directory identified by its 2020 file date lists 2822 Arizona Terrace as the residential address of a Washington embassy counsellor. The posting date in the adjacent column is not used as a property occupation date.","sourceUrls":["https://mohtasib.gov.pk/SiteImage/Downloads/officials_of_foreign_mission_11_12_2020.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":6871,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1554580,"floorSqft":3076,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1439    0934 building 1: 3,076 sq ft (residential)","constructedYear":1962,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":9,"architect":null,"occupationBasis":"The Pakistan government directory identified by its 2020 file date lists 2822 Arizona Terrace as the residential address of a Washington embassy counsellor. The posting date in the adjacent column is not used as a property occupation date.","country":"Pakistan","file":"Pakistan.html","propertyType":"Other"},{"slug":"argentina","propertyId":"1810-connecticut-ave-nw","title":"Military Attaché Office","propertyCategory":"other","address":"1810 Connecticut Ave NW, Washington, DC","parcelIds":["2532    0031"],"landOnly":false,"id":"argentina-1810-connecticut-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":5590,"display":"5,590 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4460010,"display":"$4,460,010","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":8482,"display":"8,482 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2532    0031 building 1 section 1: 8,482 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1897,"display":"1897","status":"estimated","basis":"The nomination records a March 27, 1897 building permit. Its historical overview also dates Hill's design to 1897. PDF page 22; printed Section 7, page 18; 1810 Connecticut Avenue entry. PDF page 14 also names Hill and the 1897 design. The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"12–33","status":"estimated","basis":"The documented attaché office use and recorded area support a broad 12–33 room sensitivity range under explicit layout assumptions.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":"James G. Hill","display":"James G. Hill","status":"verified","basis":"The nomination explicitly attributes 1810 Connecticut Avenue to James G. Hill. PDF page 22; printed Section 7, page 18; 1810 Connecticut Avenue entry. PDF page 14 also names Hill and the 1897 design.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2001,"display":"2001","status":"documented-by","basis":"The 2001 State directory identifies the Military Attaché Office at 1810 Connecticut Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json","https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf","https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF ARGENTINA"],"acquiredYear":null,"occupiedYear":2001,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.","The 2001 State directory identifies the Military Attaché Office at 1810 Connecticut Avenue."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"verified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2532    0031 building 1 section 1: 8,482 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"The nomination records a March 27, 1897 building permit. Its historical overview also dates Hill's design to 1897. PDF page 22; printed Section 7, page 18; 1810 Connecticut Avenue entry. PDF page 14 also names Hill and the 1897 design. The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"The documented attaché office use and recorded area support a broad 12–33 room sensitivity range under explicit layout assumptions.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29"},"architect":{"status":"verified","basis":"The nomination explicitly attributes 1810 Connecticut Avenue to James G. Hill. PDF page 22; printed Section 7, page 18; 1810 Connecticut Avenue entry. PDF page 14 also names Hill and the 1897 design.","sourceUrls":["https://planning.dc.gov/sites/default/files/dc/sites/op/publication/attachments/Sheridan-Kalorama%20HD%20Final.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The 2001 State directory identifies the Military Attaché Office at 1810 Connecticut Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":5590,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","constructedYear":"design-and-permit-year"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4460010,"floorSqft":8482,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2532    0031 building 1 section 1: 8,482 sq ft (commercial)","constructedYear":1897,"constructedBasis":"The nomination records a March 27, 1897 building permit. Its historical overview also dates Hill's design to 1897. PDF page 22; printed Section 7, page 18; 1810 Connecticut Avenue entry. PDF page 14 also names Hill and the 1897 design. The documented design and permit year is a construction estimate; the precise completion date is unconfirmed.","rooms":null,"architect":"James G. Hill","occupationBasis":"The 2001 State directory identifies the Military Attaché Office at 1810 Connecticut Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","permitDate":"1897-03-27","historicalUse":"Military Attaché Office (documented 2001)","metricEstimates":{"rooms":{"method":"Office-use floor-area sensitivity model.","inputs":{"buildingAreaSqft":8482,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"8482 × .50 / 350 to 8482 × .70 / 180, rounded outward, gives 12–33 rooms.","assumptions":"The documented office function remains a useful layout proxy. Internal subdivision and present staffing have not been surveyed.","exclusions":"Circulation, stairs, lifts, walls, parking, plant and toilet space. Counts offices, meeting, reception, kitchen and support rooms.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":12,"highRooms":33,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272532++++0031%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"]}},"roomsDisplay":"12–33","country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"slug":"argentina","propertyId":"630-indiana-ave-nw","title":"Naval Attaché Office","propertyCategory":"other","address":"630 Indiana Ave NW, Washington, DC","parcelIds":["0459    0012","0459    0809"],"landOnly":false,"id":"argentina-630-indiana-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Central","display":"Central","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":8552,"display":"8,552 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":24572180,"display":"$24,572,180","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":6310,"display":"6,310 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0459    0809 building 1 section 1: 6,310 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1889,"display":"1889","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"9–25","status":"estimated","basis":"The documented attaché office use and recorded area support a broad 9–25 room sensitivity range under explicit layout assumptions.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2008,"display":"2008","status":"documented-by","basis":"The 2008 State directory identifies the Naval Attaché Office at 630 Indiana Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/documents/organization/96740.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF ARGENTINA - NAVY"],"acquiredYear":null,"occupiedYear":2008,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.","The 2008 State directory identifies the Naval Attaché Office at 630 Indiana Avenue."],"neighborhood":"Central","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0459    0809 building 1 section 1: 6,310 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"The documented attaché office use and recorded area support a broad 9–25 room sensitivity range under explicit layout assumptions.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270459++++0012%27%2C%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The 2008 State directory identifies the Naval Attaché Office at 630 Indiana Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":8552,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":24572180,"floorSqft":6310,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0459    0809 building 1 section 1: 6,310 sq ft (commercial)","constructedYear":1889,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The 2008 State directory identifies the Naval Attaché Office at 630 Indiana Avenue. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","historicalUse":"Naval Attaché Office (documented 2008)","metricEstimates":{"rooms":{"method":"Office-use floor-area sensitivity model.","inputs":{"buildingAreaSqft":6310,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"6310 × .50 / 350 to 6310 × .70 / 180, rounded outward, gives 9–25 rooms.","assumptions":"The documented office function remains a useful layout proxy. Internal subdivision and present staffing have not been surveyed.","exclusions":"Circulation, stairs, lifts, walls, parking, plant and toilet space. Counts offices, meeting, reception, kitchen and support rooms.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":9,"highRooms":25,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270459++++0809%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/documents/organization/96740.pdf"]}},"roomsDisplay":"9–25","country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"slug":"argentina","propertyId":"2405-i-st-nw","title":"Air Attaché Offices","propertyCategory":"other","address":"2405 I St NW, Washington, DC — units 4A, 4B, 4C, 5A, 5B, 5C, 6A, 6B, 7A, 7B","parcelIds":["0028    2008","0028    2009","0028    2010","0028    2011","0028    2012","0028    2013","0028    2014","0028    2015","0028    2016","0028    2017"],"landOnly":false,"id":"argentina-2405-i-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Foggy Bottom","display":"Foggy Bottom","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":1991,"display":"1,991 sq ft","status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4909800,"display":"$4,909,800","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":8768,"display":"8,768 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0028    2008 building 1: 703 sq ft (condominium); 0028    2009 building 1: 657 sq ft (condominium); 0028    2010 building 1: 703 sq ft (condominium); 0028    2011 building 1: 903 sq ft (condominium); 0028    2012 building 1: 703 sq ft (condominium); 0028    2013 building 1: 657 sq ft (condominium); 0028    2014 building 1: 1,068 sq ft (condominium); 0028    2015 building 1: 1,103 sq ft (condominium); 0028    2016 building 1: 1,168 sq ft (condominium); 0028    2017 building 1: 1,103 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1939,"display":"1939","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":34,"display":"34","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2001,"display":"2001","status":"documented-by","basis":"The 2001 State directory identifies 2405 I Street as the Air Attaché Office; the 2008 directory specifies floors 4–7. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json","https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF ARGENTINA - AIR FORCE"],"acquiredYear":null,"occupiedYear":2001,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.","The 2001 State directory identifies 2405 I Street as the Air Attaché Office; the 2008 directory specifies floors 4–7."],"neighborhood":"Foggy Bottom","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0028    2008 building 1: 703 sq ft (condominium); 0028    2009 building 1: 657 sq ft (condominium); 0028    2010 building 1: 703 sq ft (condominium); 0028    2011 building 1: 903 sq ft (condominium); 0028    2012 building 1: 703 sq ft (condominium); 0028    2013 building 1: 657 sq ft (condominium); 0028    2014 building 1: 1,068 sq ft (condominium); 0028    2015 building 1: 1,103 sq ft (condominium); 0028    2016 building 1: 1,168 sq ft (condominium); 0028    2017 building 1: 1,103 sq ft (condominium)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/24/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270028++++2008%27%2C%270028++++2009%27%2C%270028++++2010%27%2C%270028++++2011%27%2C%270028++++2012%27%2C%270028++++2013%27%2C%270028++++2014%27%2C%270028++++2015%27%2C%270028++++2016%27%2C%270028++++2017%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The 2001 State directory identifies 2405 I Street as the Air Attaché Office; the 2008 directory specifies floors 4–7. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","sourceUrls":["https://2009-2017.state.gov/s/cpr/rls/dpl/2001/5810.htm","https://2009-2017.state.gov/documents/organization/96740.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":1991,"metricScopes":{"siteSqft":"allocated-land-share","floorSqft":"owned-units"},"siteBasis":"Sum of allocated condominium and associated parking land shares; not an exclusive physical site.","assessment2026":4909800,"floorSqft":8768,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0028    2008 building 1: 703 sq ft (condominium); 0028    2009 building 1: 657 sq ft (condominium); 0028    2010 building 1: 703 sq ft (condominium); 0028    2011 building 1: 903 sq ft (condominium); 0028    2012 building 1: 703 sq ft (condominium); 0028    2013 building 1: 657 sq ft (condominium); 0028    2014 building 1: 1,068 sq ft (condominium); 0028    2015 building 1: 1,103 sq ft (condominium); 0028    2016 building 1: 1,168 sq ft (condominium); 0028    2017 building 1: 1,103 sq ft (condominium)","constructedYear":1939,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":34,"architect":null,"occupationBasis":"The 2001 State directory identifies 2405 I Street as the Air Attaché Office; the 2008 directory specifies floors 4–7. Government title in the active 2026 tax extract corroborates continuing ownership; it does not independently establish present staffing or unchanged internal use.","historicalUse":"Air Attaché Offices (documented 2001)","country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"slug":"argentina","propertyId":"4511-w-st-nw","title":"Government-owned residence","propertyCategory":"other","address":"4511 W St NW, Washington, DC","parcelIds":["1378    0006"],"landOnly":false,"id":"argentina-4511-w-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Berkley","display":"Berkley","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":8625,"display":"8,625 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1967330,"display":"$1,967,330","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3068,"display":"3,068 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1378    0006 building 1: 3,068 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1976,"display":"1976","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":9,"display":"9","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF ARGENTINA"],"acquiredYear":null,"occupiedYear":null,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence."],"neighborhood":"Berkley","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"unverified"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1378    0006 building 1: 3,068 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%271378++++0006%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"siteSqft":8625,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1967330,"floorSqft":3068,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 1378    0006 building 1: 3,068 sq ft (residential)","constructedYear":1976,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":9,"architect":null,"occupationBasis":"Government ownership does not establish when diplomatic use began; no first-use year is inferred from a tax extraction or transfer date.","country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"slug":"argentina","propertyId":"2132-wyoming-ave-nw","title":"Government-owned residence","propertyCategory":"other","address":"2132 Wyoming Ave NW, Washington, DC","parcelIds":["2528    0896"],"landOnly":false,"id":"argentina-2132-wyoming-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7880,"display":"7,880 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":5360380,"display":"$5,360,380","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":6353,"display":"6,353 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2528    0896 building 1: 6,353 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1920,"display":"1920","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":13,"display":"13","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1997,"display":"1997","status":"documented-by","basis":"A November 2, 1997 La Nacion interview conducted at 2132 Wyoming Avenue identifies the house as the home of Argentina's permanent representative to the Organization of American States. The interview separately describes its purchase the previous year. Actual residential use is therefore documented by 1997.","sourceUrls":["https://www.lanacion.com.ar/politica/la-diplomatica-que-sono-con-la-sede-propia-nid79992/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json","https://tile.loc.gov/storage-services/service/gdc/gdcfindingaidpdfs/pp021023/pp021023.pdf","https://findingaids.loc.gov/repositories/31/archival_objects/6212995","https://www.lanacion.com.ar/politica/la-diplomatica-que-sono-con-la-sede-propia-nid79992/"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF ARGENTINA"],"acquiredYear":null,"occupiedYear":1997,"notes":["Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.","The Library of Congress finding aid identifies seven drawings for 1927 alterations to H. G. Smithy's house, commission 2722. This establishes Heaton's alteration work, not the original architect or construction year."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2528    0896 building 1: 6,353 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272528++++0896%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A November 2, 1997 La Nacion interview conducted at 2132 Wyoming Avenue identifies the house as the home of Argentina's permanent representative to the Organization of American States. The interview separately describes its purchase the previous year. Actual residential use is therefore documented by 1997.","sourceUrls":["https://www.lanacion.com.ar/politica/la-diplomatica-que-sono-con-la-sede-propia-nid79992/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":7880,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":5360380,"floorSqft":6353,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2528    0896 building 1: 6,353 sq ft (residential)","constructedYear":1920,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":13,"architect":null,"occupationBasis":"A November 2, 1997 La Nacion interview conducted at 2132 Wyoming Avenue identifies the house as the home of Argentina's permanent representative to the Organization of American States. The interview separately describes its purchase the previous year. Actual residential use is therefore documented by 1997.","alterationEvidence":{"propertyId":"argentina-2132-wyoming-ave-nw","address":"2132 Wyoming Avenue NW","architect":"Arthur B. Heaton","year":1927,"status":"verified","scope":"alterations-only","basis":"The Library of Congress finding aid identifies seven drawings for 1927 alterations to H. G. Smithy's house, commission 2722. This establishes Heaton's alteration work, not the original architect or construction year.","sources":[{"title":"Arthur B. Heaton Archive, Library of Congress finding aid","url":"https://tile.loc.gov/storage-services/service/gdc/gdcfindingaidpdfs/pp021023/pp021023.pdf","locator":"PDF page 187, ADE—UNIT 513, commission 2722; summary listing also on PDF page 35"},{"title":"Library of Congress archival item, 2132 Wyoming Avenue NW","url":"https://findingaids.loc.gov/repositories/31/archival_objects/6212995","locator":"Item metadata; PDF finding aid is the accessible corroborating record"}]},"country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"slug":"egypt","propertyId":"2308-tracy-pl-nw","title":"Defense and Military Attaché Office","propertyCategory":"other","address":"2308 Tracy Pl NW, Washington, DC","parcelIds":["2520    0824"],"landOnly":false,"id":"egypt-2308-tracy-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":7433,"display":"7,433 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4261000,"display":"$4,261,000","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":7360,"display":"7,360 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2520    0824 building 1 section 1: 7,360 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1919,"display":"1919","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"10–29","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 10–29 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1998,"display":"1998","status":"documented-by","basis":"State diplomatic directories identify the Defense and Military Attaché Office here. Exact present departmental use is not freshly verified.","sourceUrls":["https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm","https://1997-2001.state.gov/about_state/contacts/diplist/1998/98summer_1.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json","https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm","https://1997-2001.state.gov/about_state/contacts/diplist/1998/98summer_1.html"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF EGYPT"],"acquiredYear":null,"occupiedYear":1998,"notes":["State diplomatic directories identify the Defense and Military Attaché Office here. Exact present departmental use is not freshly verified."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2520    0824 building 1 section 1: 7,360 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 10–29 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"State diplomatic directories identify the Defense and Military Attaché Office here. Exact present departmental use is not freshly verified.","sourceUrls":["https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm","https://1997-2001.state.gov/about_state/contacts/diplist/1998/98summer_1.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":7433,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4261000,"floorSqft":7360,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2520    0824 building 1 section 1: 7,360 sq ft (commercial)","constructedYear":1919,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"State diplomatic directories identify the Defense and Military Attaché Office here. Exact present departmental use is not freshly verified.","functionBasis":"State diplomatic directories identify the Defense and Military Attaché Office here. Exact present departmental use is not freshly verified.","functionStatus":"historical-confirmed-current-unverified","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":7360,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"7360 × 0.5 / 350 to 7360 × 0.7 / 180 = 10–29 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":10,"highRooms":29,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272520++++0824%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"10–29","country":"Egypt","file":"Egypt.html","propertyType":"Other"},{"slug":"egypt","propertyId":"2590-l-st-nw","title":"Government-Owned Former Hotel Building","propertyCategory":"other","address":"1005 26th Street NW (formerly 2590 L Street NW), Washington, DC","parcelIds":["0015    0831","0015    0832"],"landOnly":false,"id":"egypt-2590-l-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Foggy Bottom","display":"Foggy Bottom","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":11296,"display":"11,296 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":49145650,"display":"$49,145,650","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":86610,"display":"86,610 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0015    0831 building 1 section 1: 42,390 sq ft (commercial); 0015    0832 building 1 section 1: 44,220 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":2003,"display":"2003","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2013,"display":"2013","status":"documented-by","basis":"The State Department Diplomatic List compiled August 5, 2013 identifies Egypt's Office of Defense, Military, Naval and Air Attache at 2590 L Street NW. This documents military-office use at the historic address by 2013. The subsequent private hotel lease is a separate use, and this date does not assert that every part of the combined property record was used diplomatically.","sourceUrls":["https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://egyptembassy.net/the-embassy/embassy-staff-contacts/egyptian-offices-in-us/","https://docs.justia.com/cases/federal/district-courts/district-of-columbia/dcdce/1%3A2021cv01144/230542/16/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json","https://docs.justia.com/cases/federal/district-courts/district-of-columbia/dcdce/1%3A2021cv01144/230542/16/","https://law.justia.com/cases/federal/district-courts/district-of-columbia/dcdce/1%3A2021cv01144/230542/27/","https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://egyptembassy.net/the-embassy/embassy-staff-contacts/egyptian-offices-in-us/"],"ownershipStatus":"owned","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["ARAB REPUBLIC OF EGYPT"],"acquiredYear":null,"occupiedYear":2013,"notes":["Federal court opinions of August 24, 2021 and March 10, 2022 confirm Egypt Department of Defense ownership; DC changed 2590 L to 1005 26th Street. One building leased to a private hotel operator from September 2014 to August 2021. Do not duplicate address aliases or label it a current diplomatic office."],"neighborhood":"Foggy Bottom","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"unverified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0015    0831 building 1 section 1: 42,390 sq ft (commercial); 0015    0832 building 1 section 1: 44,220 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270015++++0831%27%2C%270015++++0832%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The State Department Diplomatic List compiled August 5, 2013 identifies Egypt's Office of Defense, Military, Naval and Air Attache at 2590 L Street NW. This documents military-office use at the historic address by 2013. The subsequent private hotel lease is a separate use, and this date does not assert that every part of the combined property record was used diplomatically.","sourceUrls":["https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://egyptembassy.net/the-embassy/embassy-staff-contacts/egyptian-offices-in-us/","https://docs.justia.com/cases/federal/district-courts/district-of-columbia/dcdce/1%3A2021cv01144/230542/16/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":11296,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":49145650,"floorSqft":86610,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0015    0831 building 1 section 1: 42,390 sq ft (commercial); 0015    0832 building 1 section 1: 44,220 sq ft (commercial)","constructedYear":2003,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The State Department Diplomatic List compiled August 5, 2013 identifies Egypt's Office of Defense, Military, Naval and Air Attache at 2590 L Street NW. This documents military-office use at the historic address by 2013. The subsequent private hotel lease is a separate use, and this date does not assert that every part of the combined property record was used diplomatically.","functionBasis":"Federal court opinions of August 24, 2021 and March 10, 2022 confirm Egypt Department of Defense ownership; DC changed 2590 L to 1005 26th Street. One building leased to a private hotel operator from September 2014 to August 2021. Do not duplicate address aliases or label it a current diplomatic office.","functionStatus":"current-use-unresolved","acquiredByYear":2014,"propertyAliases":["2590 L Street NW","1005 26th Street NW"],"country":"Egypt","file":"Egypt.html","propertyType":"Other"},{"slug":"egypt","propertyId":"1303-new-hampshire-ave-nw","title":"Egyptian Cultural and Educational Bureau","propertyCategory":"other","address":"1303 New Hampshire Ave NW, Washington, DC","parcelIds":["0099N    0800"],"landOnly":false,"id":"egypt-1303-new-hampshire-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Central","display":"Central","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":4310,"display":"4,310 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":5306730,"display":"$5,306,730","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":8545,"display":"8,545 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0099N    0800 building 1 section 1: 8,545 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1895,"display":"1895","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"12–34","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 12–34 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2002,"display":"2002","status":"documented-by","basis":"Current bureau contact and Egyptian higher education ministry directory confirm the cultural office. State directory records the address in 2002.","sourceUrls":["https://eecous.org/contact-us","https://cdm.mohesr.gov.eg/index.php/%D8%A7%D9%84%D9%85%D9%83%D8%A7%D8%AA%D8%A8-%D9%88%D8%A7%D9%84%D9%85%D8%B1%D8%A7%D9%83%D8%B2-%D8%A7%D9%84%D8%AB%D9%82%D8%A7%D9%81%D9%8A%D8%A9","https://2009-2017.state.gov/s/cpr/rls/dpl/2002/13092.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json","https://eecous.org/contact-us","https://cdm.mohesr.gov.eg/index.php/%D8%A7%D9%84%D9%85%D9%83%D8%A7%D8%AA%D8%A8-%D9%88%D8%A7%D9%84%D9%85%D8%B1%D8%A7%D9%83%D8%B2-%D8%A7%D9%84%D8%AB%D9%82%D8%A7%D9%81%D9%8A%D8%A9","https://2009-2017.state.gov/s/cpr/rls/dpl/2002/13092.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF ARAB REPUBLIC"],"acquiredYear":null,"occupiedYear":2002,"notes":["Current bureau contact and Egyptian higher education ministry directory confirm the cultural office. State directory records the address in 2002."],"neighborhood":"Central","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0099N    0800 building 1 section 1: 8,545 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 12–34 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Current bureau contact and Egyptian higher education ministry directory confirm the cultural office. State directory records the address in 2002.","sourceUrls":["https://eecous.org/contact-us","https://cdm.mohesr.gov.eg/index.php/%D8%A7%D9%84%D9%85%D9%83%D8%A7%D8%AA%D8%A8-%D9%88%D8%A7%D9%84%D9%85%D8%B1%D8%A7%D9%83%D8%B2-%D8%A7%D9%84%D8%AB%D9%82%D8%A7%D9%81%D9%8A%D8%A9","https://2009-2017.state.gov/s/cpr/rls/dpl/2002/13092.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":4310,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":5306730,"floorSqft":8545,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 0099N    0800 building 1 section 1: 8,545 sq ft (commercial)","constructedYear":1895,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"Current bureau contact and Egyptian higher education ministry directory confirm the cultural office. State directory records the address in 2002.","functionBasis":"Current bureau contact and Egyptian higher education ministry directory confirm the cultural office. State directory records the address in 2002.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":8545,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"8545 × 0.5 / 350 to 8545 × 0.7 / 180 = 12–34 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":12,"highRooms":34,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%270099N++++0800%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"12–34","country":"Egypt","file":"Egypt.html","propertyType":"Other"},{"slug":"egypt","propertyId":"2300-decatur-pl-nw","title":"Former Information Bureau","propertyCategory":"other","address":"2300 Decatur Pl NW, Washington, DC","parcelIds":["2516    0022"],"landOnly":false,"id":"egypt-2300-decatur-pl-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":4875,"display":"4,875 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":2573750,"display":"$2,573,750","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":3276,"display":"3,276 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0022 building 1 section 1: 3,276 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1930,"display":"1930","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"4–13","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 4–13 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1952,"display":"1952","status":"documented-by","basis":"The Attorney General's report covering calendar year 1952 lists the Egyptian Information Bureau at 2300 Decatur Place NW. The report was published in May 1953. This establishes information-office use by 1952, rather than a 1953 opening.","sourceUrls":["https://www.justice.gov/media/910226/dl?inline=","https://www.justice.gov/media/910186/dl?inline="],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.justice.gov/media/910226/dl?inline=","https://www.justice.gov/media/910186/dl?inline="],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF EGYPT"],"acquiredYear":null,"occupiedYear":1952,"notes":["Historical Justice Department foreign-agent reports identify the Egyptian Information Bureau and subsequently United Arab Republic Press Office here. Present departmental use is not established. Retain if tax owner remains Egypt."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0022 building 1 section 1: 3,276 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 4–13 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The Attorney General's report covering calendar year 1952 lists the Egyptian Information Bureau at 2300 Decatur Place NW. The report was published in May 1953. This establishes information-office use by 1952, rather than a 1953 opening.","sourceUrls":["https://www.justice.gov/media/910226/dl?inline=","https://www.justice.gov/media/910186/dl?inline="],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":4875,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":2573750,"floorSqft":3276,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2516    0022 building 1 section 1: 3,276 sq ft (commercial)","constructedYear":1930,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"The Attorney General's report covering calendar year 1952 lists the Egyptian Information Bureau at 2300 Decatur Place NW. The report was published in May 1953. This establishes information-office use by 1952, rather than a 1953 opening.","functionBasis":"Historical Justice Department foreign-agent reports identify the Egyptian Information Bureau and subsequently United Arab Republic Press Office here. Present departmental use is not established. Retain if tax owner remains Egypt.","functionStatus":"historical-only","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":3276,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"3276 × 0.5 / 350 to 3276 × 0.7 / 180 = 4–13 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":4,"highRooms":13,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272516++++0022%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"4–13","country":"Egypt","file":"Egypt.html","propertyType":"Other"},{"slug":"egypt","propertyId":"5500-16th-st-nw","title":"Military Procurement Office","propertyCategory":"other","address":"5500 16th St NW, Washington, DC","parcelIds":["2720W    0810"],"landOnly":false,"id":"egypt-5500-16th-st-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"16th Street Heights","display":"16th Street Heights","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":8126,"display":"8,126 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":1872360,"display":"$1,872,360","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":5258,"display":"5,258 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2720W    0810 building 1: 5,258 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1915,"display":"1915","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":15,"display":"15","status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2000,"display":"2000","status":"documented-by","basis":"The State Department FY2000 Egypt commercial guide identifies the Egyptian Office of Military Procurement here. The 2001 diplomatic list agrees.","sourceUrls":["https://1997-2001.state.gov/about_state/business/com_guides/2000/nea/egypt_CCG2000.pdf","https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json","https://1997-2001.state.gov/about_state/business/com_guides/2000/nea/egypt_CCG2000.pdf","https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["GOVERNMENT OF THE REPUBLIC OF EGYPT"],"acquiredYear":null,"occupiedYear":2000,"notes":["The State Department FY2000 Egypt commercial guide identifies the Egyptian Office of Military Procurement here. The 2001 diplomatic list agrees."],"neighborhood":"16th Street Heights","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"verified","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2720W    0810 building 1: 5,258 sq ft (residential)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"verified","basis":"Sum of the CAMA ROOMS field for the identified residential buildings or units. Bathrooms and bedrooms are separate assessor fields; this is the assessor room count, not an inventory of every enclosed space.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/25/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272720W++++0810%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The State Department FY2000 Egypt commercial guide identifies the Egyptian Office of Military Procurement here. The 2001 diplomatic list agrees.","sourceUrls":["https://1997-2001.state.gov/about_state/business/com_guides/2000/nea/egypt_CCG2000.pdf","https://2001-2009.state.gov/s/cpr/rls/dpl/2001/3024.htm"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":8126,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":1872360,"floorSqft":5258,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2720W    0810 building 1: 5,258 sq ft (residential)","constructedYear":1915,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":15,"architect":null,"occupationBasis":"The State Department FY2000 Egypt commercial guide identifies the Egyptian Office of Military Procurement here. The 2001 diplomatic list agrees.","functionBasis":"The State Department FY2000 Egypt commercial guide identifies the Egyptian Office of Military Procurement here. The 2001 diplomatic list agrees.","functionStatus":"historical-confirmed-current-unverified","country":"Egypt","file":"Egypt.html","propertyType":"Other"},{"slug":"spain","propertyId":"2558-massachusetts-ave-nw","title":"Permanent Mission to the OAS","propertyCategory":"other","address":"2558 Massachusetts Ave NW, Washington, DC","parcelIds":["2500    0052"],"landOnly":false,"id":"spain-2558-massachusetts-ave-nw","databaseOnly":true,"modeled":false,"kind":"other","checkedOn":"2026-10-29","assessmentYear":2026,"assessmentJurisdiction":"District of Columbia","facts":[{"id":"neighborhood","label":"Neighborhood","value":"Kalorama","display":"Kalorama","status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"site","label":"Site area","value":2820,"display":"2,820 sq ft","status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":4057290,"display":"$4,057,290","status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":6872,"display":"6,872 sq ft","status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0052 building 1 section 1: 6,872 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":1926,"display":"1926","status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"9–27","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 9–27 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":1973,"display":"1973","status":"documented-by","basis":"November 1973 State directory: Spanish Commercial and Agricultural Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/en/Paginas/index.aspx","https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/es/Representacion/Paginas/Horario%2C-localizaci%C3%B3n-y-contacto.aspx","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json","https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json","https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/en/Paginas/index.aspx","https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/es/Representacion/Paginas/Horario%2C-localizaci%C3%B3n-y-contacto.aspx","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"ownershipStatus":"government-owner-recorded","ownershipBasis":"Active DC tax records identify the foreign government as owner. Retrieval date is not an acquisition date.","recordedOwners":["SPANISH STATE"],"acquiredYear":null,"occupiedYear":1973,"notes":["Official Spanish Foreign Ministry directory identifies a separate permanent mission here. Request exact address owner/parcel search; this property was absent from the initial country additions counts."],"neighborhood":"Kalorama","metricStatus":{"neighborhood":"verified","siteSqft":"verified","assessment2026":"verified","floorSqft":"verified","constructedYear":"estimated","rooms":"estimated","architect":"unverified","occupiedYear":"documented-by"},"metricSources":{"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation for the property.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"siteSqft":{"status":"verified","basis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0052 building 1 section 1: 6,872 sq ft (commercial)","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"constructedYear":{"status":"estimated","basis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 9–27 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The retrieved ownership and assessment records do not establish the original architect.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"November 1973 State directory: Spanish Commercial and Agricultural Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","sourceUrls":["https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/en/Paginas/index.aspx","https://www.exteriores.gob.es/RepresentacionesPermanentes/oea/es/Representacion/Paginas/Horario%2C-localizaci%C3%B3n-y-contacto.aspx","https://www.fordlibrarymuseum.gov/sites/default/files/pdf_documents/library/document/0018/81556675.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"}},"siteSqft":2820,"metricScopes":{"siteSqft":"identified-parcels","floorSqft":"assessor-building-records","rooms":"described-building-scope"},"siteBasis":"Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.","assessment2026":4057290,"floorSqft":6872,"floorBasis":"DC CAMA: residential GBA is gross building area; commercial/condominium LIVING_GBA is the recorded living gross building or unit area. 2500    0052 building 1 section 1: 6,872 sq ft (commercial)","constructedYear":1926,"constructedBasis":"Earliest nonzero assessor AYB (average year built) among the identified records; a qualified construction estimate, not a verified completion date. EYB/effective age is not used.","rooms":null,"architect":null,"occupationBasis":"November 1973 State directory: Spanish Commercial and Agricultural Attaché Offices. This establishes earlier diplomatic use, not commencement of the present function.","functionBasis":"Official Spanish Foreign Ministry directory identifies a separate permanent mission here. Request exact address owner/parcel search; this property was absent from the initial country additions counts.","historicalUse":"Spanish Commercial and Agricultural Attaché Offices","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":6872,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"6872 × 0.5 / 350 to 6872 × 0.7 / 180 = 9–27 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":9,"highRooms":27,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land/MapServer/23/query?where=SSL+IN+%28%272500++++0052%27%29&outFields=%2A&returnGeometry=false&f=json"]}},"roomsDisplay":"9–27","country":"Spain","file":"Spain.html","propertyType":"Other"},{"slug":"china","propertyId":"2201-wisconsin-ave-nw","id":"china-2201-wisconsin-ave-nw","title":"Visa and Consular Office","address":"2201 Wisconsin Avenue NW, Suite 110, Washington, DC","propertyCategory":"consular-section","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/","https://www.washingtonpost.com/archive/lifestyle/travel/2004/07/25/riding-with-the-bulls/0512d324-3550-409d-98e5-10f3d0610ed7/"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2004,"display":"2004","status":"documented-by","basis":"A July 2004 Washington Post visa guide directs applicants to the Chinese visa office at 2201 Wisconsin Avenue.","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/travel/2004/07/25/riding-with-the-bulls/0512d324-3550-409d-98e5-10f3d0610ed7/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"}],"ownershipStatus":"occupancy-verified-tenure-unverified","notes":["Current official consular page explicitly names the suite. Property scope is the diplomatic office suite, not the full mixed-use building."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"documented-by","floorSqft":"unverified","rooms":"unverified","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A July 2004 Washington Post visa guide directs applicants to the Chinese visa office at 2201 Wisconsin Avenue.","sourceUrls":["https://www.washingtonpost.com/archive/lifestyle/travel/2004/07/25/riding-with-the-bulls/0512d324-3550-409d-98e5-10f3d0610ed7/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://us.china-embassy.gov.cn/eng/lsfw/"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2004,"occupationBasis":"A July 2004 Washington Post visa guide directs applicants to the Chinese visa office at 2201 Wisconsin Avenue.","floorSqft":null,"floorBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Current official consular page explicitly names the suite. Property scope is the diplomatic office suite, not the full mixed-use building.","country":"China","file":"China.html","propertyType":"Consular Section"},{"slug":"peru","propertyId":"1225-23rd-st-nw","id":"peru-1225-23rd-st-nw","title":"Consulate General","address":"1225 23rd Street NW, Washington, DC","propertyCategory":"consular-section","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes","https://www.defensoria.gob.pe/modules/Downloads/informes/defensoriales/cartilla-migrantes-informe-146.pdf","https://www.embassytax.com/documents/consularoffices2016.pdf"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2012,"display":"2012","status":"documented-by","basis":"Peru’s Defensoría del Pueblo lists its Consulate General at 1225 23rd Street NW in the September 2012 first edition of Guía básica para la persona migrante. This establishes consular use by 2012, not the opening date.","sourceUrls":["https://www.defensoria.gob.pe/modules/Downloads/informes/defensoriales/cartilla-migrantes-informe-146.pdf","https://www.embassytax.com/documents/consularoffices2016.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"}],"ownershipStatus":"occupancy-verified-tenure-unverified","notes":["Official consular contact directory confirms current location. Do not count entire building area or assessed value without proof that Peru owns or occupies it all."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"documented-by","floorSqft":"unverified","rooms":"unverified","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"Peru’s Defensoría del Pueblo lists its Consulate General at 1225 23rd Street NW in the September 2012 first edition of Guía básica para la persona migrante. This establishes consular use by 2012, not the opening date.","sourceUrls":["https://www.defensoria.gob.pe/modules/Downloads/informes/defensoriales/cartilla-migrantes-informe-146.pdf","https://www.embassytax.com/documents/consularoffices2016.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.consulado.pe/ES/WASHINGTON/Paginas/Sobre-el-Consulado-General.aspx","https://www.gob.pe/institucion/consulado-del-peru-en-washington-dc/sedes"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2012,"occupationBasis":"Peru’s Defensoría del Pueblo lists its Consulate General at 1225 23rd Street NW in the September 2012 first edition of Guía básica para la persona migrante. This establishes consular use by 2012, not the opening date.","floorSqft":null,"floorBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Official consular contact directory confirms current location. Do not count entire building area or assessed value without proof that Peru owns or occupies it all.","country":"Peru","file":"Peru.html","propertyType":"Consular Section"},{"slug":"brazil","propertyId":"1030-15th-st-nw","id":"brazil-1030-15th-st-nw","title":"Consulate General","address":"1030 15th Street NW, Suite 280W, Washington, DC","propertyCategory":"consular-section","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil","https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://www.embassytax.com/documents/consularoffices2016.pdf"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2013,"display":"2013","status":"documented-by","basis":"The State Department’s Summer 2013 Diplomatic List places Brazil’s consular section at 1030 15th Street NW. The 2016 consular directory independently confirms the address. This establishes use by 2013, not an opening date.","sourceUrls":["https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://www.embassytax.com/documents/consularoffices2016.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":11338,"display":"11,338 sq ft","status":"verified","basis":"Primary occupier-broker case study reports 11,338 square feet; this is the consulate leased footprint, not whole building gross area.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"16–45","status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 16–45 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"}],"ownershipStatus":"leased","notes":["Official instructions identify Suite 280W. Occupier representative Cresa describes retail and office space and a lease restructuring with operations retained."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"documented-by","floorSqft":"verified","rooms":"estimated","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The State Department’s Summer 2013 Diplomatic List places Brazil’s consular section at 1030 15th Street NW. The 2016 consular directory independently confirms the address. This establishes use by 2013, not an opening date.","sourceUrls":["https://doczz.net/doc/6095477/summer-2013---state-international-development-organizations","https://www.embassytax.com/documents/consularoffices2016.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"verified","basis":"Primary occupier-broker case study reports 11,338 square feet; this is the consulate leased footprint, not whole building gross area.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"rooms":{"status":"estimated","basis":"Documented office, consular, cultural or institutional use: approximately 16–45 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2013,"occupationBasis":"The State Department’s Summer 2013 Diplomatic List places Brazil’s consular section at 1030 15th Street NW. The 2016 consular directory independently confirms the address. This establishes use by 2013, not an opening date.","floorSqft":11338,"floorBasis":"Primary occupier-broker case study reports 11,338 square feet; this is the consulate leased footprint, not whole building gross area.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only","floorSqft":"leased-office-and-retail-space","rooms":"described-building-scope"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Official instructions identify Suite 280W. Occupier representative Cresa describes retail and office space and a lease restructuring with operations retained.","metricEstimates":{"rooms":{"method":"Use-specific floor-area sensitivity model; reported as a range.","inputs":{"buildingAreaSqft":11338,"roomFloorFraction":[0.5,0.7],"averageCountedRoomSqft":[180,350]},"calculation":"11338 × 0.5 / 350 to 11338 × 0.7 / 180 = 16–45 rooms (outward rounded).","assumptions":"Documented office, consular, cultural or institutional use. Room-floor fractions and mean room sizes are explicit assumptions, not a recovered room schedule.","exclusions":"Circulation, stairs, lifts, walls, open terraces, parking, plant rooms, and toilets. Habitable rooms, individual offices, meeting/reception rooms, kitchens and support rooms are counted; no second gross-to-net deduction is applied.","confidence":"Low; no complete plan or room inventory.","uncertainty":{"lowRooms":16,"highRooms":45,"interpretation":"Sensitivity range, not a statistical confidence interval."},"sourceUrls":["https://www.gov.br/mre/pt-br/consulado-washington/consulate-general-of-brazil-in-washington-dc/legalization-and-authentication-of-documents","https://www.cresa.com/Locations/North-America/Washington-DC/Washington-DC/Success-Stories/Consulate-General-of-Brazil"]}},"roomsDisplay":"16–45","country":"Brazil","file":"Brazil.html","propertyType":"Consular Section"},{"slug":"japan","propertyId":"1150-18th-st-nw","id":"japan-1150-18th-st-nw","title":"Japan Information & Culture Center","address":"1150 18th Street NW, Suite 100, Washington, DC","propertyCategory":"other","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html","https://jetaadc.org/wp-content/uploads/2010/04/2013-2014-Okaeri1.pdf"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2013,"display":"2013","status":"documented-by","basis":"The 2013–2014 JETAADC returnee handbook lists the Japan Information and Culture Center at 1150 18th Street, Suite 100. Its 1981 founding date belongs to the institution and is not used as the opening date of these premises.","sourceUrls":["https://jetaadc.org/wp-content/uploads/2010/04/2013-2014-Okaeri1.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"}],"ownershipStatus":"occupancy-verified-tenure-unverified","notes":["Official Embassy center confirms suite address and explicitly identifies the center as a separate embassy building from the Massachusetts Avenue chancery."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"documented-by","floorSqft":"unverified","rooms":"unverified","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"The 2013–2014 JETAADC returnee handbook lists the Japan Information and Culture Center at 1150 18th Street, Suite 100. Its 1981 founding date belongs to the institution and is not used as the opening date of these premises.","sourceUrls":["https://jetaadc.org/wp-content/uploads/2010/04/2013-2014-Okaeri1.pdf"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://www.us.emb-japan.go.jp/jicc/contact.html","https://www.us.emb-japan.go.jp/jicc/faq.html"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2013,"occupationBasis":"The 2013–2014 JETAADC returnee handbook lists the Japan Information and Culture Center at 1150 18th Street, Suite 100. Its 1981 founding date belongs to the institution and is not used as the opening date of these premises.","floorSqft":null,"floorBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Official Embassy center confirms suite address and explicitly identifies the center as a separate embassy building from the Massachusetts Avenue chancery.","country":"Japan","file":"Japan.html","propertyType":"Other"},{"slug":"indonesia","propertyId":"1120-20th-st-nw","id":"indonesia-1120-20th-st-nw","title":"Temporary Chancery and Consular Office","address":"1120 20th Street NW, 10th Floor, Washington, DC","propertyCategory":"chancery","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2026,"display":"2026","status":"verified","basis":"Official embassy notice says operations temporarily move to Lafayette Center, Building 1, North Entrance, tenth floor, from June 2, 2026 during renovation of the embassy.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"}],"ownershipStatus":"occupancy-verified-tenure-unverified","notes":["Official embassy notice says operations temporarily move to Lafayette Center, Building 1, North Entrance, tenth floor, from June 2, 2026 during renovation of the embassy."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"verified","floorSqft":"unverified","rooms":"unverified","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"verified","basis":"Official embassy notice says operations temporarily move to Lafayette Center, Building 1, North Entrance, tenth floor, from June 2, 2026 during renovation of the embassy.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://consular.embassyofindonesia.org/page/informasiumum.html"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2026,"occupationBasis":"Official embassy notice says operations temporarily move to Lafayette Center, Building 1, North Entrance, tenth floor, from June 2, 2026 during renovation of the embassy.","floorSqft":null,"floorBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Official embassy notice says operations temporarily move to Lafayette Center, Building 1, North Entrance, tenth floor, from June 2, 2026 during renovation of the embassy.","country":"Indonesia","file":"Indonesia.html","propertyType":"Chancery"},{"slug":"mexico","propertyId":"1250-23rd-st-nw","id":"mexico-1250-23rd-st-nw","title":"Consular Section","address":"1250 23rd Street NW, Suite 002, Washington, DC","propertyCategory":"consular-section","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion","https://portales.sre.gob.mx/transparencia/transparencia-categorias/category/967-viii-los-contratos-de-obras-adquisiciones-y-servicios-que-involucren-recursos-publicos-del-fideicomiso?download=81341%3Awas-pale-griselle-garca-29jun18&start=680"],"facts":[{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":2018,"display":"2018","status":"documented-by","basis":"A legal-services agreement signed on 29 June 2018 identifies the Mexican consular section at 1250 23rd Street NW. This establishes use by 2018, not an opening date.","sourceUrls":["https://portales.sre.gob.mx/transparencia/transparencia-categorias/category/967-viii-los-contratos-de-obras-adquisiciones-y-servicios-que-involucren-recursos-publicos-del-fideicomiso?download=81341%3Awas-pale-griselle-garca-29jun18&start=680"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":null,"display":"Not Verified","status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"}],"ownershipStatus":"occupancy-verified-tenure-unverified","notes":["Mexican Foreign Ministry directory updated September 1, 2026 identifies this separate consular suite. Scope is occupied suite, not the whole building."],"constructedYear":null,"metricStatus":{"constructedYear":"unverified","occupiedYear":"documented-by","floorSqft":"unverified","rooms":"unverified","architect":"unverified","neighborhood":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"constructedYear":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"documented-by","basis":"A legal-services agreement signed on 29 June 2018 identifies the Mexican consular section at 1250 23rd Street NW. This establishes use by 2018, not an opening date.","sourceUrls":["https://portales.sre.gob.mx/transparencia/transparencia-categorias/category/967-viii-los-contratos-de-obras-adquisiciones-y-servicios-que-involucren-recursos-publicos-del-fideicomiso?download=81341%3Awas-pale-griselle-garca-29jun18&start=680"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"neighborhood":{"status":"unverified","basis":"No property-specific value was established for these occupied premises in the reviewed evidence.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","sourceUrls":["https://portales.sre.gob.mx/directorio/consulados-de-mexico-en-el-exterior/washington","https://consulmex.sre.gob.mx/washington/index.php/prot/8-noticias/244-ubicacion"],"checkedOn":"2026-10-29"}},"constructedBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","occupiedYear":2018,"occupationBasis":"A legal-services agreement signed on 29 June 2018 identifies the Mexican consular section at 1250 23rd Street NW. This establishes use by 2018, not an opening date.","floorSqft":null,"floorBasis":"No property-specific value was established for these occupied premises in the reviewed evidence.","rooms":null,"architect":null,"neighborhood":null,"siteSqft":null,"metricScopes":{"siteSqft":"office-occupancy-only","assessment2026":"office-occupancy-only"},"siteBasis":"The record identifies occupied office space, not an independently assessed diplomatic estate. Whole-building land and assessment values are not attributed to the office.","assessment2026":null,"functionBasis":"Mexican Foreign Ministry directory updated September 1, 2026 identifies this separate consular suite. Scope is occupied suite, not the whole building.","country":"Mexico","file":"Mexico.html","propertyType":"Consular Section"},{"slug":"argentina","propertyId":"corcoran-st-nw-lot-0803","id":"argentina-corcoran-st-nw-lot-0803","title":"Corcoran Street Parking Parcel","address":"Corcoran Street NW, Washington, DC (Square 0134, lot 0803)","propertyCategory":"other","kind":"other","databaseOnly":true,"modeled":false,"landOnly":true,"checkedOn":"2026-10-29","parcelIds":["0134    0803"],"sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"facts":[{"id":"site","label":"Site area","value":1847,"display":"1,847 sq ft","status":"verified","basis":"LANDAREA for active Argentine-owned parcel 0134 0803.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":566610,"display":"$566,610","status":"verified","basis":"2026 ASSESSMENT for parcel 0134 0803, including paving/other assessed improvements.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":"Old City 2","display":"Old City 2","status":"verified","basis":"DC assessment-neighborhood designation.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not applicable","status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not applicable","status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not applicable","status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not applicable","status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},{"id":"occupied","label":"Diplomatic use","value":null,"display":"Not Verified","status":"unverified","basis":"Ownership does not establish the date diplomatic use began.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}],"ownershipStatus":"government-owner-recorded","notes":["Argentine ownership and parking use are recorded in the active tax extract. Its relationship to a particular neighboring mission building is unconfirmed."],"siteSqft":1847,"metricStatus":{"siteSqft":"verified","assessment2026":"verified","neighborhood":"verified","floorSqft":"not-applicable","rooms":"not-applicable","constructedYear":"not-applicable","architect":"not-applicable","occupiedYear":"unverified"},"metricSources":{"siteSqft":{"status":"verified","basis":"LANDAREA for active Argentine-owned parcel 0134 0803.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"assessment2026":{"status":"verified","basis":"2026 ASSESSMENT for parcel 0134 0803, including paving/other assessed improvements.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"neighborhood":{"status":"verified","basis":"DC assessment-neighborhood designation.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"rooms":{"status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"architect":{"status":"not-applicable","basis":"Parking parcel (DC use code 064); no building-specific value applies.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"},"occupiedYear":{"status":"unverified","basis":"Ownership does not establish the date diplomatic use began.","sourceUrls":["https://services.arcgis.com/neT9SoYxizqTHZPH/arcgis/rest/services/ITSPE_08172026/FeatureServer/0/query?where=SSL+IN+%28%270134++++0803%27%29&outFields=%2A&returnGeometry=false&f=json"],"checkedOn":"2026-10-29"}},"metricScopes":{"siteSqft":"identified-parcel"},"siteBasis":"LANDAREA for active Argentine-owned parcel 0134 0803.","assessment2026":566610,"neighborhood":"Old City 2","floorSqft":null,"floorBasis":"Parking parcel (DC use code 064); no building-specific value applies.","rooms":null,"constructedYear":null,"constructedBasis":"Parking parcel (DC use code 064); no building-specific value applies.","architect":null,"occupiedYear":null,"occupationBasis":"Ownership does not establish the date diplomatic use began.","country":"Argentina","file":"Argentina.html","propertyType":"Other"},{"id":"argentina-upper-marlboro-air-force-cargo-terminal","slug":"argentina","propertyId":"upper-marlboro-air-force-cargo-terminal","title":"Air Force Cargo Terminal","address":"8411 Old Marlboro Pike, Units 10–11, Upper Marlboro, MD 20772","propertyCategory":"other","kind":"other","databaseOnly":true,"modeled":false,"checkedOn":"2026-10-29","ownershipStatus":"occupancy-verified-tenure-unverified","functionStatus":"official-current-contact","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"facts":[{"id":"occupied","label":"Diplomatic use","value":2013,"display":"2013","status":"documented-by","basis":"The 2013 Argentine Air Force procurement specification identifies Warehouse Units 10–11 at this address. The current official cargo-terminal contact page corroborates continuing use; neither source establishes the first lease or purchase.","sourceUrls":["https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf","https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"neighborhood","label":"Neighborhood","value":"Upper Marlboro, MD","display":"Upper Marlboro, MD","status":"verified","basis":"Municipality and state in the official cargo-terminal contact address.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},{"id":"floor","label":"Floor area","value":null,"display":"Not Verified","status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},{"id":"rooms","label":"Rooms","value":null,"display":"Not Verified","status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},{"id":"constructed","label":"Constructed","value":null,"display":"Not Verified","status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},{"id":"architect","label":"Architect","value":null,"display":"Not Verified","status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},{"id":"site","label":"Site area","value":null,"display":"Not applicable","status":"not-applicable","basis":"This is an occupied-unit record, without established ownership of a separately assessed estate. The host industrial complex’s land and assessment are not attributed to the diplomatic occupier.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29"},{"id":"assessment","label":"2026 Value","value":null,"display":"Not applicable","status":"not-applicable","basis":"This is an occupied-unit record, without established ownership of a separately assessed estate. The host industrial complex’s land and assessment are not attributed to the diplomatic occupier.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29"}],"notes":["The Argentine Air Force’s current official contact page identifies its cargo terminal in Units 10–11. A 2013 procurement document names the same warehouse. Public ownership or lease terms and the occupied unit areas remain unverified."],"assessmentJurisdiction":"Prince George’s County, Maryland","occupiedYear":2013,"metricStatus":{"occupiedYear":"documented-by","neighborhood":"verified","floorSqft":"unverified","rooms":"unverified","constructedYear":"unverified","architect":"unverified","siteSqft":"not-applicable","assessment2026":"not-applicable"},"metricSources":{"occupiedYear":{"status":"documented-by","basis":"The 2013 Argentine Air Force procurement specification identifies Warehouse Units 10–11 at this address. The current official cargo-terminal contact page corroborates continuing use; neither source establishes the first lease or purchase.","sourceUrls":["https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf","https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"neighborhood":{"status":"verified","basis":"Municipality and state in the official cargo-terminal contact address.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29","verifiedOn":"2026-10-29"},"floorSqft":{"status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},"rooms":{"status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},"constructedYear":{"status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},"architect":{"status":"unverified","basis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/","https://www.faaus.org/BidDocs/CD46-13-U8013036-doc.pdf"],"checkedOn":"2026-10-29"},"siteSqft":{"status":"not-applicable","basis":"This is an occupied-unit record, without established ownership of a separately assessed estate. The host industrial complex’s land and assessment are not attributed to the diplomatic occupier.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29"},"assessment2026":{"status":"not-applicable","basis":"This is an occupied-unit record, without established ownership of a separately assessed estate. The host industrial complex’s land and assessment are not attributed to the diplomatic occupier.","sourceUrls":["https://www.faaus.org/FrontPage/contacto_tc/"],"checkedOn":"2026-10-29"}},"occupationBasis":"The 2013 Argentine Air Force procurement specification identifies Warehouse Units 10–11 at this address. The current official cargo-terminal contact page corroborates continuing use; neither source establishes the first lease or purchase.","neighborhood":"Upper Marlboro, MD","floorSqft":null,"floorBasis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","rooms":null,"constructedYear":null,"constructedBasis":"The official sources identify the occupied units but provide no unit-specific area, complete room inventory, original architect or construction date.","architect":null,"siteSqft":null,"metricScopes":{"siteSqft":"unit-occupancy-only","assessment2026":"unit-occupancy-only"},"siteBasis":"This is an occupied-unit record, without established ownership of a separately assessed estate. The host industrial complex’s land and assessment are not attributed to the diplomatic occupier.","assessment2026":null,"country":"Argentina","file":"Argentina.html","propertyType":"Other"}]}