British Government-Owned Property
19 Observatory Cir NW, Washington, DC
| Fact | Value | Basis and sources |
|---|---|---|
| Neighborhood | Observatory Circle | verified; DC assessment-neighborhood designation for the property. |
| Site area | 11,095 sq ft | verified; Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet. |
| 2026 Value | $4,009,260 | verified; Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price. |
| Floor area | 10,000 sq ft | verified; 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) |
| Constructed | 1927 | estimated; 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 | Not Verified | unverified; No complete room inventory in the retrieved records. Office layout and present use need confirmation before a useful estimate can be made. |
| Architect | Not Verified | unverified; The retrieved ownership and assessment records do not establish the original architect. |
| Diplomatic use | 2012 | documented-by; 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. |
Scope and Evidence
Ownership is supported by the active 2026 tax record; the precise present use and the start of diplomatic occupation require separate evidence.
Research Questions
Where Is Government-Owned Property?
19 Observatory Cir NW, Washington, DC.
What Is the Site Area of Government-Owned Property?
Site area: 11,095 sq ft. Record status: verified. Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet. Verified in the record on 2026-10-29.
What Is the 2026 Value of Government-Owned Property?
2026 Value: $4,009,260. Record status: verified. Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price. This is a tax assessment, not a verified sale price or market valuation. Verified in the record on 2026-10-29.
What Is the Floor Area of Government-Owned Property?
Floor area: 10,000 sq ft. Record status: verified. 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) Verified in the record on 2026-10-29.
When Was Government-Owned Property Built?
Constructed: 1927. Record status: estimated. 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. Record reviewed on 2026-10-29.
Who Designed Government-Owned Property?
Architect: Not Verified. Record status: unverified. The retrieved ownership and assessment records do not establish the original architect. Record reviewed on 2026-10-29.