WASHINGTON GAS LIGHT CO
2 office properties in Washington, DC recorded to an owner mailing to 101 CONSTITUTION AVE NW, WASHINGTON, DC. single entity
At a glance
WASHINGTON GAS LIGHT CO is recorded as the owner of 2 office properties (2 parcels) in Washington, DC, totalling 352.5K sq ft of building area with $79.2M of assessed value. The owner's tax bills go to WASHINGTON, DC.
County assessment roll
Properties
| Building | Submarket | Sq ft | Assessed | Last sold | Tenants |
|---|---|---|---|---|---|
| 1201 M ST SE | Washington | 207.3K | $45.2M | — | 5 |
| 1220 12TH ST SE | Washington | 145.1K | $34M | — | 10 |
How this group was built. All of these parcels are recorded to one owner entity.The county records an owner and a mailing address for every parcel; this page collects the office parcels whose owners mail to the same address, and counts buildings rather than parcels using the county's own condo-to-building link. Lease terms, rents and the identity of a manager acting for the owner are not public records and are not shown.
Where are WASHINGTON GAS LIGHT CO's office buildings?
All 2 properties are in Washington.
The largest is 1201 M ST SE in Washington at 207.3K sq ft.
Recorded build years run from 2000 to 2002.
How large is this portfolio within Washington's office market?
Its 352.5K sq ft is 0.17% of the 212.1M sq ft of office building area on the Washington, DC roll.
Its $79.2M of assessed value is 0.10% of the metro's office total.
It holds 2 of the metro's 1,761 office buildings.
Frequently asked questions
How many office buildings does WASHINGTON GAS LIGHT CO own in Washington?
2 office properties (2 parcels) on the Washington, DC roll, counted by building rather than by condo parcel.
What is WASHINGTON GAS LIGHT CO's largest office building?
1201 M ST SE, Washington — 207.3K sq ft, assessed at $45.2M.
What are WASHINGTON GAS LIGHT CO's office properties worth?
Their combined assessed value on the current Washington, DC roll is $79,152,870. Assessed values are taxable-roll figures, not market prices.
Related
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commercial and daily sales tables, Basic Business Licenses (suite-level premises; the universal catch-all licence was repealed Oct 2025, thinning the roll thereafter), and DOEE energy benchmarking.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.
Dataset updated . Derived from public data sources.
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, “WASHINGTON GAS LIGHT CO — Washington office property holdings”, https://buildingcensus.com/offices/dc/owners/washington-gas-light-co-0fe877 (data as of September 20, 2026).