1401 G ST NW
Office (large) · Washington · 20005
At a glance
1401 G ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 02230026. The roll records 386,256 sq ft of building area, a 1917 build year and an assessed value of $160,070,230. 5 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 3 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 — 5 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| BLUE LABS ANALYTICS, | — | May 2026 | DC business licence | folio match · high |
| DISTRICT OF COLUMBIA BAR FOUNDATION (THE) | 650 | Nov 2024 | DC business licence | folio match · high |
| EVERYBODY WINS DC | — | Jan 2024 | DC business licence | folio match · high |
| Altana Technologies USG, Inc | — | Nov 2023 | DC business licence | folio match · high |
| CHAISE MANAGEMENT GROUP, | — | Jan 2023 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 02230026 |
| Site address | 1401 G ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 386,256 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 22,396 sq ft |
| Year built | 1917 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $160,070,230 |
Recorded owner (assessment roll)
CNBB OWNER LLC
PARAMOUNT GROUP INC
Owner mailing address: 1633 BROADWAY STE 1801, NEW YORK, NY, 10019
Location
- Address
- 1401 G ST NW
- City
- Washington
- ZIP
- 20005
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 1401 G ST NW compare with other Washington office buildings?
At 386,256 sq ft, 1401 G ST NW is about 3 times 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 $414 per square foot of building area, against $370 across all office floor area on the roll.
What has happened at 1401 G ST NW recently?
The building files energy-benchmarking disclosures — 3 report years are matched to this parcel.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 02230026 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 1401 G ST NW?
The recorded owner on the Washington, DC assessment roll (current) is CNBB OWNER LLC, PARAMOUNT GROUP INC. Owner mailing address on file: 1633 BROADWAY STE 1801, NEW YORK, NY, 10019.
What companies have offices at 1401 G ST NW?
5 active business locations at this building appear in Washington, DC public records, including BLUE LABS ANALYTICS,, DISTRICT OF COLUMBIA BAR FOUNDATION (THE), EVERYBODY WINS DC, Altana Technologies USG, Inc, CHAISE MANAGEMENT GROUP,. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1401 G ST NW?
The Washington, DC roll records 386,256 sq ft of building area, a build year of 1917. It sits on a 22,396 sq ft lot.
What is the assessed value of 1401 G ST NW?
$160,070,230 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 1401 G ST NW?
SSL 02230026, site address 1401 G ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 1401 G ST 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 02230026.
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, “1401 G ST NW, Washington, DC (SSL 02230026)”, https://buildingcensus.com/offices/dc/office-building-0236f5f0 (data as of September 20, 2026).