900 7TH ST NW
Office (large) · Washington · 20001
At a glance
900 7TH ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 04030839. The roll records 300,218 sq ft of building area, a 2004 build year and an assessed value of $129,701,470. 4 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 — 4 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| DELON HAMPTON & ASSOCIATES Chartered | 800 | Oct 2026 | DC business licence | folio match · high |
| Association for Diagnostics & Laboratory Medicine Inc. | — | Sep 2026 | DC business licence | folio match · high |
| FEDERAL EXPRESS | — | Nov 2024 | DC business licence | folio match · high |
| Captivate Perspectives | — | Oct 2023 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 04030839 |
| Site address | 900 7TH ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 300,218 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 35,344 sq ft |
| Year built | 2004 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $129,701,470 |
Recorded owner (assessment roll)
IBEW HEADQUARTERS BUILDING LLC
Owner mailing address: 601 13TH ST NW STE 300N, WASHINGTON, DC, 20005
10 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
- 900 7TH ST NW
- City
- Washington
- ZIP
- 20001
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 900 7TH ST NW compare with other Washington office buildings?
At 300,218 sq ft, 900 7TH 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 $432 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 900 7TH ST NW hold other Washington office property?
10 Washington office properties (10 parcels, 2M sq ft) are recorded to 10 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 900 7TH 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 04030839 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 900 7TH ST NW?
The recorded owner on the Washington, DC assessment roll (current) is IBEW HEADQUARTERS BUILDING LLC. Owner mailing address on file: 601 13TH ST NW STE 300N, WASHINGTON, DC, 20005.
What companies have offices at 900 7TH ST NW?
4 active business locations at this building appear in Washington, DC public records, including DELON HAMPTON & ASSOCIATES Chartered, Association for Diagnostics & Laboratory Medicine Inc., FEDERAL EXPRESS, Captivate Perspectives. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 900 7TH ST NW?
The Washington, DC roll records 300,218 sq ft of building area, a build year of 2004. It sits on a 35,344 sq ft lot.
What is the assessed value of 900 7TH ST NW?
$129,701,470 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 900 7TH ST NW?
SSL 04030839, site address 900 7TH ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 900 7TH ST NW
- Washington, DC office buildings· 1,761 buildings
- 1025 VERMONT VENTURE OWNER LLC· 10 properties
- DELON HAMPTON & ASSOCIATES Chartered· suite 800
- Association for Diagnostics & Laboratory Medicine Inc.· tenant on record
- FEDERAL EXPRESS· tenant on record
- Captivate Perspectives· tenant on record
- Federal office leases in DC
- Office census — all metros
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 04030839.
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, “900 7TH ST NW, Washington, DC (SSL 04030839)”, https://buildingcensus.com/offices/dc/office-building-3f41d9c3 (data as of September 20, 2026).