640 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, latest of 2 years on record. 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 — 9 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| N/A | — | Nov 2026 | dc_dlcp | folio match · high |
| CitySchools Collaborative | — | Sep 2026 | dc_dlcp | folio match · high |
| DELIZIQUE 1 | — | Jun 2026 | dc_dlcp | folio match · high |
| PRR, Inc. | — | Apr 2026 | dc_dlcp | folio match · high |
| Alliance For Youth Organizing | — | Apr 2026 | dc_dlcp | folio match · high |
| EDUCATION FORWARD DC | 6th Floor | Jan 2026 | dc_dlcp | folio match · high |
| Crocus | — | Oct 2025 | dc_dlcp | folio match · high |
| Brightlines | — | Sep 2025 | dc_dlcp | folio match · high |
| SP PLUS CORPORATION | — | Jan 2023 | dc_dlcp | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 04520032 |
| Site address | 640 MASSACHUSETTS AVE NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 465,821 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 40,865 sq ft |
| Year built | 1989 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $99,447,390 |
Recorded owner (assessment roll)
BOP 650 MASS LLC
PROPERTY TAX DEPT 113
Owner mailing address: PO BOX 4900, SCOTTSDALE, AZ, 85261
19 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
- 640 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 640 MASSACHUSETTS AVE NW?
The recorded owner on the Washington, DC assessment roll (current) is BOP 650 MASS LLC, PROPERTY TAX DEPT 113. Owner mailing address on file: PO BOX 4900, SCOTTSDALE, AZ, 85261.
What companies have offices at 640 MASSACHUSETTS AVE NW?
9 active business locations at this building appear in Washington, DC public records, including N/A, CitySchools Collaborative, DELIZIQUE 1, PRR, Inc., Alliance For Youth Organizing. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 640 MASSACHUSETTS AVE NW?
The county assessment roll records 465,821 sq ft of building area, built in 1989, on a 40,865 sq ft lot, with a current assessed value of $99,447,390.
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 04520032.