Argentine Military Attaché Office
1810 Connecticut Ave NW, Washington, DC
| Fact | Value | Basis and sources |
|---|---|---|
| Neighborhood | Kalorama | verified; DC assessment-neighborhood designation for the property. |
| Site area | 5,590 sq ft | verified; Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet. |
| 2026 Value | $4,460,010 | 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 | 8,482 sq ft | verified; 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) |
| Constructed | 1897 | estimated; 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 | 12–33 | estimated; The documented attaché office use and recorded area support a broad 12–33 room sensitivity range under explicit layout assumptions. |
| Architect | James G. Hill | verified; 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. |
| Diplomatic use | 2001 | documented-by; 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. |
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.
The 2001 State directory identifies the Military Attaché Office at 1810 Connecticut Avenue.
Research Questions
Where Is Military Attaché Office?
1810 Connecticut Ave NW, Washington, DC.
What Is the Site Area of Military Attaché Office?
Site area: 5,590 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 Military Attaché Office?
2026 Value: $4,460,010. 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 Military Attaché Office?
Floor area: 8,482 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. 2532 0031 building 1 section 1: 8,482 sq ft (commercial) Verified in the record on 2026-10-29.
When Was Military Attaché Office Built?
Constructed: 1897. Record status: estimated. 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. Record reviewed on 2026-10-29.
Who Designed Military Attaché Office?
Architect: James G. Hill. Record status: verified. 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. Verified in the record on 2026-10-29.