509 7th St NW, Washington, DC 20004 Property Records

District of Columbia property record for 509 7th St NW, Washington, DC 20004

Property Summary

Property Type	Commercial Office
Details	4 ba · 16,512 sqft · built 1861
Lot Size	0.128 acres (5,567 sqft)
Owner	Company Name on Record
Last Sale	$10,149,400 (Mar 2016)
Tax Bill	$153,601 (2025)
APN	`0456-0034`

Property Details

APN / Parcel Number

Primary APN	`0456-0034`

Interior

Full Baths	4 Baths
Half Baths	4 Half Baths
Total Rooms	12 Rooms
Units	12 Units
Stories	2 Stories
Building Area	16,512 sqft Gross Area
Basement Area	5,300 sqft

Exterior

Year Built	Built 1861
Effective Year Built	Effective 1959
Exterior Material	Brick
Construction Type	Brick
Roof Type	Flat
Roof Material	Built-Up Asphalt
Lot Area	5,567 sqft (0.128 acres)

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Street Address	509 7TH ST NW
City	WASHINGTON
State	DC
Zip	20004-1600
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	D-6-R
Legal Description	SQUARE 0456 LOT 0034 NBHD: CENTRAL
Legal Subdivision	CENTRAL
Legal Block	456
Legal Lot Number	34
Jurisdiction	DISTRICT OF COLUMBIA DC
Township / Civil Division	WASHINGTON
Census Block Group	2
Census Block	2008
Census Tract	5801

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Pennsylvania Avenue National Historic Site listed 1966 · 111 contributing resources · NRIS 66000865
Individually Listed	Civil War Monuments in Washington, DC listed 1978 · 17 contributing resources · NRIS 78000257
Listed Area	Within L'Enfant Plan of the City of Washington, District of Columbia listed 1997 · 137 contributing resources · NRIS 97000332

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: District of Columbia records, as of October 29, 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	655 NEW YORK AVE NW, 830, WASHINGTON, DC 20001-5795
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 25, 2016 · Amount on Record
Deed Sale	Mar 25, 2016 · Amount on Record
Prior Sale	Feb 24, 1994 · Amount on Record
Deed Document Number	201629618
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: District of Columbia assessment roll, as of October 29, 2025

Property Jurisdictions

Type	Name
Federal District & City	Washington, District of Columbia
Unified School District	District of Columbia Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$153,601.00 (-6.74%)	$8,678,030 (-10.79%) Land $2,951,350 Building $5,726,680	$8,678,030 (-10.79%) Land $2,951,350 Building $5,726,680
2023	$164,704.00	$9,727,450 Land $2,893,450 Building $6,834,000	$9,727,450 Land $2,893,450 Building $6,834,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer

FEMA Flood Zone	Not on file

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	D.C. WATER AND SEWER AUTHORITY serves 632,323 people · EPA ID DC0000002
Water Source	Purchased surface water from WASHINGTON AQUEDUCT DIVISION.
Last State Inspection	Dec 2023
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 77 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
AT&T Fixed Wireless	100 / 20

May also be available: Starry, T-Mobile, Verizon.

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