1331 PENNSYLVANIA AVE NW
Office (large) · Washington · 20004
At a glance
1331 PENNSYLVANIA AVE NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 02547003. The roll records 56,415 sq ft of building area, a 1983 build year and an assessed value of $8,798,910. 16 active business locations at this address appear in public records.
Public record — 16 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| JW MARRIOTT HOTEL | — | Sep 2026 | DC business licence | address match · high |
| JW Marriott - Avenue Grill | — | Jun 2026 | DC business licence | address match · high |
| Flagship Cafe | — | Jun 2026 | DC business licence | address match · high |
| 1331 Lounge | — | Jun 2026 | DC business licence | address match · high |
| Salmon Group, Inc. | — | Jun 2026 | DC business licence | address match · high |
| First Liberty Institute | — | May 2026 | DC business licence | address match · high |
| TRAVEL TRADERS #3107 | — | Mar 2026 | DC business licence | address match · high |
| International Democracy Union | — | Dec 2025 | DC business licence | address match · high |
| J.W. MARRIOTT HOTEL | — | Nov 2025 | DC business licence | address match · high |
| NATIONAL FAIR HOUSING ALLIANCE INC. | 650 | Jul 2025 | DC business licence | address match · high |
| Garnaut Global, LLC | — | Jun 2025 | DC business licence | address match · high |
| ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY INC. | — | May 2025 | DC business licence | address match · high |
| TOWNE PARK, LLC | — | May 2025 | DC business licence | address match · high |
| Market #3107 (The) | — | Mar 2025 | DC business licence | address match · high |
| KSURE Washington DC Corporation | 625 | Jan 2025 | DC business licence | address match · high |
| Stars & Stripes of Alamo Flags | — | May 2023 | DC business licence | address match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 02547003 |
| Site address | 1331 PENNSYLVANIA AVE NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 56,415 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | — |
| Year built | 1983 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $8,798,910 |
Recorded owner (assessment roll)
NATIONAL PLACE LAND COMPANY LLC
Owner mailing address: 1001 G ST NW STE 700W, WASHINGTON, DC, 20001
3 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
- 1331 PENNSYLVANIA AVE NW
- City
- Washington
- ZIP
- 20004
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 1331 PENNSYLVANIA AVE NW compare with other Washington office buildings?
At 56,415 sq ft, 1331 PENNSYLVANIA AVE NW is about half the size of 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 $156 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 1331 PENNSYLVANIA AVE NW hold other Washington office property?
3 Washington office properties (3 parcels, 861.1K sq ft) are recorded to an owner sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 02547003 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 1331 PENNSYLVANIA AVE NW?
The recorded owner on the Washington, DC assessment roll (current) is NATIONAL PLACE LAND COMPANY LLC. Owner mailing address on file: 1001 G ST NW STE 700W, WASHINGTON, DC, 20001.
What companies have offices at 1331 PENNSYLVANIA AVE NW?
16 active business locations at this building appear in Washington, DC public records, including JW MARRIOTT HOTEL, JW Marriott - Avenue Grill, Flagship Cafe, 1331 Lounge, Salmon Group, Inc.. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1331 PENNSYLVANIA AVE NW?
The Washington, DC roll records 56,415 sq ft of building area, a build year of 1983.
What is the assessed value of 1331 PENNSYLVANIA AVE NW?
$8,798,910 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 1331 PENNSYLVANIA AVE NW?
SSL 02547003, site address 1331 PENNSYLVANIA AVE NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 1331 PENNSYLVANIA AVE NW
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 02547003.
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, “1331 PENNSYLVANIA AVE NW, Washington, DC (SSL 02547003)”, https://buildingcensus.com/offices/dc/office-building-734c6678 (data as of September 20, 2026).