440 1ST ST NW
Office (large) · Washington · 20001
At a glance
440 1ST ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 05710055. The roll records 141,930 sq ft of building area, a 1982 build year and an assessed value of $64,207,890. 7 active business locations at this address appear in public records.
The building's own benchmarking filing
Energy performance
From the building's own filing under its city'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 — 7 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| BANNER PUBLIC AFFAIRS LLC | — | Sep 2026 | DC business licence | folio match · high |
| Lewis-Burke Associates LLC | Suite 700 | May 2026 | DC business licence | folio match · high |
| Aviation Supply Chain Integrity Coalition | — | Sep 2025 | DC business licence | folio match · high |
| Cafe Alice | — | Sep 2025 | DC business licence | folio match · high |
| THE SPHERE INSTITUTE | 900 | Mar 2024 | DC business licence | folio match · high |
| ACUMEN, | — | Feb 2024 | DC business licence | folio match · high |
| SP Plus Corporationvia SP PLUS CORPORATION | — | Jan 2023 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 05710055 |
| Site address | 440 1ST ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 141,930 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 16,480 sq ft |
| Year built | 1982 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $64,207,890 |
Recorded owner (assessment roll)
FP 440 1ST STREET LLC
Owner mailing address: 255 WASHINGTON ST, NEWTON, MA, 02458
15 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
- 440 1ST ST NW
- City
- Washington
- ZIP
- 20001
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 440 1ST ST NW compare with other Washington office buildings?
At 141,930 sq ft, 440 1ST ST NW is about 18% larger than the average office building on the Washington, DC roll, which comes to 120,450 sq ft across 1,761 buildings.
Its assessed value works out to $452 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 440 1ST ST NW hold other Washington office property?
15 Washington office properties (15 parcels, 2.2M sq ft) are recorded to 13 owner entities sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.
What has happened at 440 1ST ST NW recently?
The building files energy-benchmarking disclosures — 2 report years are matched to this parcel.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 05710055 as “Office (large)” (use code 052). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 440 1ST ST NW?
The recorded owner on the Washington, DC assessment roll (current) is FP 440 1ST STREET LLC. Owner mailing address on file: 255 WASHINGTON ST, NEWTON, MA, 02458.
What companies have offices at 440 1ST ST NW?
7 active business locations at this building appear in Washington, DC public records, including BANNER PUBLIC AFFAIRS LLC, Lewis-Burke Associates LLC, Aviation Supply Chain Integrity Coalition, Cafe Alice, THE SPHERE INSTITUTE. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 440 1ST ST NW?
The Washington, DC roll records 141,930 sq ft of building area, a build year of 1982. It sits on a 16,480 sq ft lot.
What is the assessed value of 440 1ST ST NW?
$64,207,890 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 440 1ST ST NW?
SSL 05710055, site address 440 1ST ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 440 1ST ST NW
- Washington, DC office buildings· 1,761 buildings
- SVC ABS LLC· 15 properties
- BANNER PUBLIC AFFAIRS LLC· tenant on record
- Lewis-Burke Associates LLC· suite Suite 700
- Aviation Supply Chain Integrity Coalition· tenant on record
- Cafe Alice· tenant on record
- Federal office leases in DC
- Office census — all metros
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Washington, DC — Integrated Tax System public extract (owner names, mailing addresses, assessments), CAMA commercial and daily sales tables, Basic Business Licenses (suite-level premises; the universal catch-all licence was repealed Oct 2025, thinning the roll thereafter), and DOEE energy benchmarking.
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 05710055.
About this data
Source: Integrated Tax System public extract (Washington, DC), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “440 1ST ST NW, Washington, DC (SSL 05710055)”, https://buildingcensus.com/offices/dc/office-building-5faffd67 (data as of September 20, 2026).