District of Columbia property record for 645 Constitution Ave NE, Washington, DC 20002
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2 ba · 1,604 sqft · built 1878 |
| Lot Size | 0.03 acres (1,324 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $907,697 (Sep 2016) |
| Tax Bill | $9,774 (2025) |
| APN | 0867-0077 |
| Primary APN | 0867-0077 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,604 sqft Living Area |
| Gross Area | 2,166 sqft |
| Basement Area | 562 sqft |
| Flooring | Wood |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1878 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Townhouse |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Sawtooth |
| Roof Material | Built-Up Asphalt |
| Lot Area | 1,324 sqft (0.03 acres) |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Radiant |
| Street Address | 645 CONSTITUTION AVE NE |
|---|---|
| City | WASHINGTON |
| State | DC |
| Zip | 20002-6035 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | RF-1 |
| Legal Description | SQUARE 0867 LOT 0077 NBHD: CAPITOL HILL |
| Legal Subdivision | CAPITOL HILL |
| Legal Block | 867 |
| Legal Lot Number | 77 |
| Jurisdiction | DISTRICT OF COLUMBIA DC |
| Township / Civil Division | WASHINGTON |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 8200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Capitol Hill Historic District listed 1976 · 8,200 contributing resources · NRIS 76002127 |
|---|---|
| Individually Listed | Civil War Monuments in Washington, DC listed 1978 · 17 contributing resources · NRIS 78000257 |
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: District of Columbia records, as of August 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 645 CONSTITUTION AVE NE, WASHINGTON, DC 20002-6035 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 9, 2016 · Amount on Record |
| Deed Sale | Sep 9, 2016 · Amount on Record |
| Prior Sale | Jun 13, 2006 · Amount on Record |
| Deed Document Number | 201692351 |
| Record Updated | Sep 20, 2026 |
Source: District of Columbia assessment roll, as of October 29, 2025
| Type | Name |
|---|---|
| Federal District & City | Washington, District of Columbia |
| Unified School District | District of Columbia Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,774.00 (+2.65%) Homeowner's exemption | $1,239,790 (+4.67%) Land $667,070 Building $572,720 | $1,239,790 (+4.67%) Land $667,070 Building $572,720 |
| 2023 | $9,522.00 | $1,184,530 Land $635,350 Building $549,180 | $1,184,530 Land $635,350 Building $549,180 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1978–1983) |
| Most Recent Claim | Apr 1983 · tidal / storm surge |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 978 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| DC Access Fixed Wireless | 200 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry.
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