1776 I ST NW
Office (large) · Washington · 20006
At a glance
1776 I ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 01270053. The roll records 293,324 sq ft of building area, a 1988 build year and an assessed value of $96,653,940. 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 |
|---|---|---|---|---|
| DISTRICT OF COLUMBIA CHAMBER OF COMMERCE (THE) | M200 | Aug 2026 | DC business licence | folio match · high |
| LA TABERNA DEL ALABARDERO | — | May 2026 | DC business licence | folio match · high |
| NUCLEAR THREAT INITIATIVE INC. | 1000 | Apr 2026 | DC business licence | folio match · high |
| LAZ PARKING MID-ATLANTIC LLCvia LAZ PARKING MID-ATLANTIC, LLC | — | Jul 2025 | DC business licence | folio match · high |
| COMPASS COFFEE | — | Sep 2024 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 01270053 |
| Site address | 1776 I ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 293,324 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 27,171 sq ft |
| Year built | 1988 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $96,653,940 |
Recorded owner (assessment roll)
1776 EYE SPE LLC
ROCKROSE DEVELOPMENT CORP
Owner mailing address: 15 E 26TH ST FL 7, NEW YORK, NY, 10010
8 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
- 1776 I ST NW
- City
- Washington
- ZIP
- 20006
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 1776 I ST NW compare with other Washington office buildings?
At 293,324 sq ft, 1776 I 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 $330 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 1776 I ST NW hold other Washington office property?
8 Washington office properties (8 parcels, 2M sq ft) are recorded to 8 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 1776 I 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 01270053 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 1776 I ST NW?
The recorded owner on the Washington, DC assessment roll (current) is 1776 EYE SPE LLC, ROCKROSE DEVELOPMENT CORP. Owner mailing address on file: 15 E 26TH ST FL 7, NEW YORK, NY, 10010.
What companies have offices at 1776 I ST NW?
5 active business locations at this building appear in Washington, DC public records, including DISTRICT OF COLUMBIA CHAMBER OF COMMERCE (THE), LA TABERNA DEL ALABARDERO, NUCLEAR THREAT INITIATIVE INC., LAZ PARKING MID-ATLANTIC LLC, COMPASS COFFEE. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1776 I ST NW?
The Washington, DC roll records 293,324 sq ft of building area, a build year of 1988. It sits on a 27,171 sq ft lot.
What is the assessed value of 1776 I ST NW?
$96,653,940 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 1776 I ST NW?
SSL 01270053, site address 1776 I ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 1776 I ST NW
- Washington, DC office buildings· 1,761 buildings
- 1140 19TH LLC· 8 properties
- DISTRICT OF COLUMBIA CHAMBER OF COMMERCE (THE)· suite M200
- LA TABERNA DEL ALABARDERO· tenant on record
- NUCLEAR THREAT INITIATIVE INC.· suite 1000
- LAZ PARKING MID-ATLANTIC LLC· 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 01270053.
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, “1776 I ST NW, Washington, DC (SSL 01270053)”, https://buildingcensus.com/offices/dc/office-building-a37756cb (data as of September 20, 2026).