430 SOUTH CAPITOL ST SE
Office (large) · Washington · 20003
At a glance
430 SOUTH CAPITOL ST SE in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 06930086. The roll records 77,776 sq ft of building area, a 1984 build year and an assessed value of $12,145,720.
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 — 0 matched business locations
Tenants & business locations
No active business locations at this address appear in the public records ingested so far. That is a statement about the records, not the building: tenants without a county business-tax receipt or a Florida registration at this address are invisible to public data.
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 06930086 |
| Site address | 430 SOUTH CAPITOL ST SE |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 77,776 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 12,146 sq ft |
| Year built | 1984 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $12,145,720 |
Recorded owner (assessment roll)
DEMOCRATIC PROPERTIES CORPORATION
Owner mailing address: 430 S CAPITOL ST SE, WASHINGTON, DC, 20003
2 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
- 430 SOUTH CAPITOL ST SE
- City
- Washington
- ZIP
- 20003
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 430 SOUTH CAPITOL ST SE compare with other Washington office buildings?
At 77,776 sq ft, 430 SOUTH CAPITOL ST SE is about 35% smaller than 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 $156 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 430 SOUTH CAPITOL ST SE hold other Washington office property?
2 Washington office properties (2 parcels, 92.4K sq ft) are recorded to 2 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 430 SOUTH CAPITOL ST SE 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 06930086 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 430 SOUTH CAPITOL ST SE?
The recorded owner on the Washington, DC assessment roll (current) is DEMOCRATIC PROPERTIES CORPORATION. Owner mailing address on file: 430 S CAPITOL ST SE, WASHINGTON, DC, 20003.
What companies have offices at 430 SOUTH CAPITOL ST SE?
No business locations at this building appear in the public records ingested so far — no licence, tax or registry record currently lists this address; that is a gap in the record, not proof the building is empty.
How big is 430 SOUTH CAPITOL ST SE?
The Washington, DC roll records 77,776 sq ft of building area, a build year of 1984. It sits on a 12,146 sq ft lot.
What is the assessed value of 430 SOUTH CAPITOL ST SE?
$12,145,720 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 430 SOUTH CAPITOL ST SE?
SSL 06930086, site address 430 SOUTH CAPITOL ST SE, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 430 SOUTH CAPITOL ST SE
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 06930086.
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, “430 SOUTH CAPITOL ST SE, Washington, DC (SSL 06930086)”, https://buildingcensus.com/offices/dc/office-building-df5fdf10 (data as of September 20, 2026).