Mexican Ambassador’s Residence
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Interpretive architectural study of the catalogued property.
4925 Loughboro Road NW, Washington, DC
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.
| Fact | Value | Basis and sources |
|---|---|---|
| Constructed | 1930–31 | verified; CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved. |
| Acquired by Mexico | Not verified | unverified; Purchase year is documented for the Institute. Occupation does not establish acquisition for the other properties. |
| First diplomatic use | 1973 | verified; Mexico’s occupation of this property, not establishment of diplomatic relations. |
| Neighborhood | Spring Valley | verified; Geographic neighborhood; tax-assessment names can differ. |
| Architect | Not verified | unverified; Original architect not identified in the consulted residential CAMA, DC heritage guide or contemporary residence reports. |
| Rooms | 16 | verified; Residential CAMA ROOMS count; not bedrooms or event capacity. |
| Floor area | 11,300 sq ft | verified; Recorded DC gross building area; the Institute record includes its associated building sections. |
| Site area | 80,100 sq ft | verified; LANDAREA for one owned parcel 1513 0014. No streets or neighboring properties included. |
| 2026 Value | $8.3M | verified; Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment. |
Scope and Evidence
CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved.
DC tax valuation.
- juansoriano.net
- maps2.dcgis.dc.gov
- maps2.dcgis.dc.gov
- maps2.dcgis.dc.gov
- planning.dc.gov
- www.cfa.gov
- www.wfpg.org
Research Questions
Where Is Mexican Ambassador’s Residence?
4925 Loughboro Road NW, Washington, DC. Approximate property center from DC parcel and building geometry.
When Was Mexican Ambassador’s Residence Built?
Constructed: 1930–31. Record status: verified. CAMA actual year built 1931; DC heritage inventory says 1930. Completion within 1930–31 is not resolved. Verified in the record on 2026-10-25.
Who Designed Mexican Ambassador’s Residence?
Architect: Not verified. Record status: unverified. Original architect not identified in the consulted residential CAMA, DC heritage guide or contemporary residence reports. Verified in the record on 2026-10-25.
What Is the Floor Area of Mexican Ambassador’s Residence?
Floor area: 11,300 sq ft. Record status: verified. Recorded DC gross building area; the Institute record includes its associated building sections. Verified in the record on 2026-10-25.
What Is the Site Area of Mexican Ambassador’s Residence?
Site area: 80,100 sq ft. Record status: verified. LANDAREA for one owned parcel 1513 0014. No streets or neighboring properties included. Verified in the record on 2026-10-25.
What Is the 2026 Value of Mexican Ambassador’s Residence?
2026 Value: $8.3M. Record status: verified. Current DC ASSESSMENT, CY1YEAR 2026; land plus improvements. Current tax assessment. This is a tax assessment, not a verified sale price or market valuation. Verified in the record on 2026-10-25.