1 MASSACHUSETTS AVE NW
Office (large) · Washington · 20001
The building's own benchmarking filing
Energy performance
From the building's own filing under the City of Miami's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.
Public record — 6 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| NGAUS INSURANCE TRUST | — | Sep 2026 | dc_dlcp | folio match · high |
| NATIONAL GUARD ASSOCIATION OF THE UNITED STATES INC. | — | Aug 2026 | dc_dlcp | folio match · high |
| NATIONAL GUARD EDUCATIONAL FOUNDATION | — | Aug 2026 | dc_dlcp | folio match · high |
| THE ADJUTANTS GENERAL ASSOCIATION OF THE UNITED STATES | 200 | Jul 2026 | dc_dlcp | folio match · high |
| COLONIAL PARKING INC.via COLONIAL PARKING, INC. | 100 | Dec 2025 | dc_dlcp | folio match · high |
| COUNCIL OF CHIEF STATE SCHOOL OFFICERS | — | Jun 2025 | dc_dlcp | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 06250060 |
| Site address | 1 MASSACHUSETTS AVE NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 335,283 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 26,326 sq ft |
| Year built | 1990 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $43,803,980 |
Recorded owner (assessment roll)
NATIONAL GUARD ASSOCIATION OF THE UNITED STATES INC
DONOHOE REAL ESTATE SVC
Owner mailing address: 7101 WISCONSIN AVE, BETHESDA, MD, 20814
The owner is on site.A business-tax receipt at this address is held in the owner's own name, so the public record shows an owner-occupier rather than a landlord letting the space.
8 Washington office properties share this owner mailing address →
Commercial property is usually held one building per entity; a shared mailbox is how the roll reveals a portfolio. It is evidence of common ownership, not proof.
Location
- Address
- 1 MASSACHUSETTS AVE NW
- City
- Washington
- ZIP
- 20001
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
Frequently asked questions
Who owns 1 MASSACHUSETTS AVE NW?
The recorded owner on the Washington, DC assessment roll (current) is NATIONAL GUARD ASSOCIATION OF THE UNITED STATES INC, DONOHOE REAL ESTATE SVC. Owner mailing address on file: 7101 WISCONSIN AVE, BETHESDA, MD, 20814.
What companies have offices at 1 MASSACHUSETTS AVE NW?
6 active business locations at this building appear in Washington, DC public records, including NGAUS INSURANCE TRUST, NATIONAL GUARD ASSOCIATION OF THE UNITED STATES INC., NATIONAL GUARD EDUCATIONAL FOUNDATION, THE ADJUTANTS GENERAL ASSOCIATION OF THE UNITED STATES, COLONIAL PARKING INC.. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1 MASSACHUSETTS AVE NW?
The county assessment roll records 335,283 sq ft of building area, built in 1990, on a 26,326 sq ft lot, with a current assessed value of $43,803,980.
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Miami-Dade County Property Appraiser — assessment roll — Parcel identity, site address, recorded owner, use code, areas, year built and assessed values, via the county's public GIS services (MD_LandInformation, PaGis layer).
- Miami-Dade County Local Business Tax roll — Business-tax receipts: business name, premises address (incl. suite/floor), account status and start date, via the county's public GIS services.
- Florida Division of Corporations (Sunbiz) — corporate data file — Registered entities: document number, status, filing date, registered agent and principal address, from the state's public quarterly data file.
- Miami BE305 building-energy benchmarking disclosures — What the building reported about its own performance: energy intensity, an ENERGY STAR score, reported emissions and water use, under the City of Miami's benchmarking ordinance.
Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.
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Dataset updated . Source: Washington, DC assessment roll, SSL 06250060.