120 Q ST NE
Office · Washington · 20002
At a glance
120 Q ST NE in Washington, DC is listed on the Washington, DC property roll as “Office”, SSL 35190070. The roll records 41,100 sq ft of building area, a 1916 build year and an assessed value of $2,804,427.
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 — 0 matched business locations
Tenants & business locations
No active business locations at this address appear in the public records ingested so far. That is a statement about the records, not the building: tenants without a county business-tax receipt or a Florida registration at this address are invisible to public data.
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 35190070 |
| Site address | 120 Q ST NE |
| Land use (DOR) | 051 — Office |
| Building area (actual) | 41,100 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 16,200 sq ft |
| Year built | 1916 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $2,804,427 |
Recorded owner (assessment roll)
BDC Q STREET LLC
Owner mailing address: 4800 HAMPDEN LN STE 1200, BETHESDA, MD, 20814
6 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
- 120 Q ST NE
- City
- Washington
- ZIP
- 20002
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 120 Q ST NE compare with other Washington office buildings?
At 41,100 sq ft, 120 Q ST NE is about 66% smaller 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 $68 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 120 Q ST NE hold other Washington office property?
6 Washington office properties (6 parcels, 514.9K sq ft) are recorded to 4 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 120 Q ST NE recently?
The building files energy-benchmarking disclosures — 2 report years are matched to this parcel.
What does “Office” mean for this parcel?
The Washington, DC roll classifies SSL 35190070 as “Office” (use code 051). 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 120 Q ST NE?
The recorded owner on the Washington, DC assessment roll (current) is BDC Q STREET LLC. Owner mailing address on file: 4800 HAMPDEN LN STE 1200, BETHESDA, MD, 20814.
What companies have offices at 120 Q ST NE?
No business locations at this building appear in the public records ingested so far — no licence, tax or registry record currently lists this address; that is a gap in the record, not proof the building is empty.
How big is 120 Q ST NE?
The Washington, DC roll records 41,100 sq ft of building area, a build year of 1916. It sits on a 16,200 sq ft lot.
What is the assessed value of 120 Q ST NE?
$2,804,427 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 120 Q ST NE?
SSL 35190070, site address 120 Q ST NE, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 120 Q ST NE
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 35190070.
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, “120 Q ST NE, Washington, DC (SSL 35190070)”, https://buildingcensus.com/offices/dc/office-building-15efe69d (data as of September 20, 2026).