HAMILTON COURT LLC
3 office properties in Washington, DC recorded to an owner mailing to 3299 K ST NW # 220, WASHINGTON, DC. single entity
At a glance
HAMILTON COURT LLC is recorded as the owner of 3 office properties (3 parcels) in Washington, DC, totalling 25.6K sq ft of building area with $10M of assessed value. The owner's tax bills go to WASHINGTON, DC.
County assessment roll
Properties
| Building | Submarket | Sq ft | Assessed | Last sold | Tenants |
|---|---|---|---|---|---|
| 1220 31ST ST NW | Washington | 17.5K | $5.2M | $16,500,000 · Mar 2024 | 5 |
| 1232 31ST ST NW | Washington | 6.3K | $3.6M | $16,500,000 · Mar 2024 | 0 |
| 1228 1/2 31ST ST NW | Washington | 1.8K | $1.2M | $16,500,000 · Mar 2024 | 2 |
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 HAMILTON COURT LLC's office buildings?
All 3 properties are in Washington.
The largest is 1220 31ST ST NW in Washington at 17.5K sq ft.
Recorded build years run from 1885 to 1981.
How large is this portfolio within Washington's office market?
Its 25.6K sq ft is 0.01% of the 212.1M sq ft of office building area on the Washington, DC roll.
Its $10M of assessed value is 0.01% of the metro's office total.
It holds 3 of the metro's 1,761 office buildings.
3 of its parcels carry a recorded sale price; the most recent was 1220 31ST ST NW in Mar 2024 for $16,500,000.
Frequently asked questions
How many office buildings does HAMILTON COURT LLC own in Washington?
3 office properties (3 parcels) on the Washington, DC roll, counted by building rather than by condo parcel.
What is HAMILTON COURT LLC's largest office building?
1220 31ST ST NW, Washington — 17.5K sq ft, assessed at $5.2M.
What are HAMILTON COURT LLC's office properties worth?
Their combined assessed value on the current Washington, DC roll is $10,041,700. Assessed values are taxable-roll figures, not market prices.
When did one of HAMILTON COURT LLC's Washington office properties last change hands?
The most recent recorded transfer among these parcels is 1220 31ST ST NW, Mar 2024, for $16,500,000.
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, “HAMILTON COURT LLC — Washington office property holdings”, https://buildingcensus.com/offices/dc/owners/hamilton-court-llc-182d77 (data as of September 20, 2026).