Argentine Naval Attaché Office

630 Indiana Ave NW, Washington, DC

FactValueBasis and sources
NeighborhoodCentralverified; DC assessment-neighborhood designation for the property.
  1. services.arcgis.com
Site area8,552 sq ftverified; Sum of LANDAREA for the identified, nonoverlapping tax parcels, in square feet.
  1. services.arcgis.com
2026 Value$24,572,180verified; Sum of current ASSESSMENT values for the identified parcels; CY1YEAR 2026 and DELCODE N. Includes land and improvements, not tax due or sale price.
  1. services.arcgis.com
Floor area6,310 sq ftverified; 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)
  1. maps2.dcgis.dc.gov
Constructed1889estimated; 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.
  1. maps2.dcgis.dc.gov
Rooms9–25estimated; The documented attaché office use and recorded area support a broad 9–25 room sensitivity range under explicit layout assumptions.
  1. 2009-2017.state.gov
  2. maps2.dcgis.dc.gov
ArchitectNot Verifiedunverified; The retrieved ownership and assessment records do not establish the original architect.
  1. services.arcgis.com
Diplomatic use2008documented-by; 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.
  1. 2009-2017.state.gov

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 2008 State directory identifies the Naval Attaché Office at 630 Indiana Avenue.

  1. 2009-2017.state.gov
  2. maps2.dcgis.dc.gov
  3. services.arcgis.com

Research Questions

Where Is Naval Attaché Office?

630 Indiana Ave NW, Washington, DC.

Sources and basis

What Is the Site Area of Naval Attaché Office?

Site area: 8,552 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.

Sources and basis

What Is the 2026 Value of Naval Attaché Office?

2026 Value: $24,572,180. 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.

Sources and basis

What Is the Floor Area of Naval Attaché Office?

Floor area: 6,310 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. 0459 0809 building 1 section 1: 6,310 sq ft (commercial) Verified in the record on 2026-10-29.

Sources and basis

When Was Naval Attaché Office Built?

Constructed: 1889. 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.

Sources and basis

Who Designed Naval Attaché Office?

Architect: Not Verified. Record status: unverified. The retrieved ownership and assessment records do not establish the original architect. Record reviewed on 2026-10-29.

Sources and basis

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