1500 K ST NW
Office (large) · Washington · 20005
At a glance
1500 K ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 01990832. The roll records 294,234 sq ft of building area, a 1929 build year and an assessed value of $104,863,100. 26 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. 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 — 26 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| N/A | 2nd Floor | Dec 2026 | DC business licence | folio match · high |
| Thirst Market LLC | — | Aug 2026 | DC business licence | folio match · high |
| LifeStance Mental Health | — | Jul 2026 | DC business licence | folio match · high |
| Brendan Sailing | — | Jul 2026 | DC business licence | folio match · high |
| Holliday Collaborative Agency LLC | — | Jun 2026 | DC business licence | folio match · high |
| Joe & The Juice New York LLC | — | Jun 2026 | DC business licence | folio match · high |
| IndUS Tech | — | Jun 2026 | DC business licence | folio match · high |
| Nunez Law | — | Apr 2026 | DC business licence | folio match · high |
| Nonprofits Together | — | Apr 2026 | DC business licence | folio match · high |
| COLONIAL PARKING INC. | — | Mar 2026 | DC business licence | folio match · high |
| LRG Strategy Group | — | Nov 2025 | DC business licence | folio match · high |
| D & K WASTE REMOVAL | — | Oct 2025 | DC business licence | folio match · high |
| MH HANDYMAN LLC. | 200 | Sep 2025 | DC business licence | folio match · high |
| Carilo Cleaning Expert | — | Sep 2025 | DC business licence | folio match · high |
| Brighter Days Recovery Center | — | Sep 2025 | DC business licence | folio match · high |
| Lucie A. Robinson | — | Aug 2025 | DC business licence | folio match · high |
| Ox Institute | — | May 2025 | DC business licence | folio match · high |
| Strogen Strategic Sustainability | 200 | Apr 2025 | DC business licence | folio match · high |
| D & K WASTE REMOVAL LLC. | — | Jan 2025 | DC business licence | folio match · high |
| Economical Development Solutions | 2nd Floor | Dec 2024 | DC business licence | folio match · high |
| CAUDLE HOME IMPROVEMENT LLC | — | Oct 2024 | DC business licence | folio match · high |
| Caudle Home Improvement | — | Oct 2024 | DC business licence | folio match · high |
| Climate Leadership Council | — | Jul 2024 | DC business licence | folio match · high |
| 1919 Consultants | — | Feb 2024 | DC business licence | folio match · high |
| Elite Services Group-C, | — | Mar 2023 | DC business licence | folio match · high |
| Lot Sixteen | — | Oct 2022 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 01990832 |
| Site address | 1500 K ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 294,234 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 32,673 sq ft |
| Year built | 1929 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $104,863,100 |
Recorded owner (assessment roll)
1500 K STREET LLC
LINCOLN PROPERTY CO
Owner mailing address: 1500 K ST NW STE 100, WASHINGTON, DC, 20005
Location
- Address
- 1500 K ST NW
- City
- Washington
- ZIP
- 20005
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 1500 K ST NW compare with other Washington office buildings?
At 294,234 sq ft, 1500 K ST NW is about twice 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 $356 per square foot of building area, against $370 across all office floor area on the roll.
What has happened at 1500 K ST NW recently?
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 01990832 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 1500 K ST NW?
The recorded owner on the Washington, DC assessment roll (current) is 1500 K STREET LLC, LINCOLN PROPERTY CO. Owner mailing address on file: 1500 K ST NW STE 100, WASHINGTON, DC, 20005.
What companies have offices at 1500 K ST NW?
26 active business locations at this building appear in Washington, DC public records, including N/A, Thirst Market LLC, LifeStance Mental Health, Brendan Sailing, Holliday Collaborative Agency LLC. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1500 K ST NW?
The Washington, DC roll records 294,234 sq ft of building area, a build year of 1929. It sits on a 32,673 sq ft lot.
What is the assessed value of 1500 K ST NW?
$104,863,100 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 1500 K ST NW?
SSL 01990832, site address 1500 K ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 1500 K 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 01990832.
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, “1500 K ST NW, Washington, DC (SSL 01990832)”, https://buildingcensus.com/offices/dc/office-building-10c744fb (data as of September 20, 2026).