Mexican Permanent Mission to the OAS
2440 Massachusetts Ave NW, Washington, DC
| Fact | Value | Basis and sources |
|---|---|---|
| Neighborhood | Kalorama | verified; DC assessment-neighborhood designation for the property. |
| Site area | 5,262 sq ft | verified; Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet. |
| 2026 Value | $4,149,720 | 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 | 8,595 sq ft | verified; 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) |
| Constructed | 1932 | 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 | 12–34 | estimated; Documented office, consular, cultural or institutional use: approximately 12–34 counted rooms under the stated floor-area assumptions. This is not a surveyed inventory. |
| Architect | Not Verified | unverified; The retrieved ownership and assessment records do not establish the original architect. |
| Diplomatic use | 1997 | documented-by; 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. |
Scope and Evidence
Both the Mexican Foreign Ministry and OAS identify the current permanent mission at this address.
Research Questions
Where Is Permanent Mission to the OAS?
2440 Massachusetts Ave NW, Washington, DC.
What Is the Site Area of Permanent Mission to the OAS?
Site area: 5,262 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 Permanent Mission to the OAS?
2026 Value: $4,149,720. 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 Permanent Mission to the OAS?
Floor area: 8,595 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. 2500 0059 building 1 section 1: 8,595 sq ft (commercial) Verified in the record on 2026-10-29.
When Was Permanent Mission to the OAS Built?
Constructed: 1932. 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 Permanent Mission to the OAS?
Architect: Not Verified. Record status: unverified. The retrieved ownership and assessment records do not establish the original architect. Record reviewed on 2026-10-29.