GDLSK LLP
ActiveGeneral Business · Washington, DC, DC
At a glance
Public records place GDLSK LLP at 1 active location in 1 Washington office building. Locations include 1225 NEW YORK AVE NW.
Public record — Washington, DC
Office locations (1 active)
| Building | Suite / floor | Submarket | Since | Source | Match |
|---|---|---|---|---|---|
| 1225 NEW YORK AVE NW | — | Washington | Jan 2026 | DC business licence | folio match · high |
Where does GDLSK LLP operate in Washington?
The earliest active record dates from Jan 2026.
Across Washington, 5,289 active business locations are matched to office buildings; GDLSK LLP accounts for 1 of them.
How does BuildingCensus know GDLSK LLP is at these addresses?
Each location is a business record whose premises address was matched to a county office parcel (record types on this page: DC business licence). The match method and confidence are shown on every row.
A record at an address is evidence that the business operates there, not a lease: records lag moves by months, and businesses without a local record at an address do not appear.
Frequently asked questions
Where are GDLSK LLP's offices in Washington?
Public records place GDLSK LLP at 1 active location in Washington, DC: 1225 NEW YORK AVE NW.
How long has GDLSK LLP been at its Washington locations?
The earliest active record starts Jan 2026. Start dates are when the record was opened, which can trail the actual move-in.
Related
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commercial and daily sales tables, Basic Business Licenses (suite-level premises; the universal catch-all licence was repealed Oct 2025, thinning the roll thereafter), and DOEE energy benchmarking.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.
Dataset updated . Locations from Washington, DC business records matched to county office parcels.
About this data
Source: Integrated Tax System public extract (Washington, DC), as published October 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “GDLSK LLP — Washington office locations”, https://buildingcensus.com/offices/dc/companies/gdlsk-llp (data as of October 9, 2026).