District of Columbia property record for 437 Warner St NW, Washington, DC 20001
| Property Type | Row House |
|---|---|
| Details | 2 bd · 1 ba · 850 sqft · built 1900 |
| Lot Size | 0.026 acres (1,169 sqft) |
| Owner | Owner Name on Record |
| Last Sale | $350,000 (Apr 2004) |
| Tax Bill | $5,397 (2025) |
| APN | 0509 0137 |
| Primary APN | 0509 0137 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 850 sqft Living Area |
| Flooring | Wood |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 2010 |
| Exterior Material | Brick |
| Roof Material | Built-Up Asphalt |
| Lot Area | 1,169 sqft (0.026 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Street Address | 437 WARNER ST NW |
|---|---|
| City | WASHINGTON |
| State | DC |
| Zip | 20001-2409 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Row House |
| Local Zoning Code | RF-1 |
| Legal Description | SQUARE 0509 LOT 0137 NBHD: OLD CITY 2 |
| Legal Subdivision | OLD CITY 2 |
| Legal Block | 0509 |
| Legal Lot Number | 0137 |
| Jurisdiction | DISTRICT OF COLUMBIA DC |
| Township / Civil Division | WASHINGTON |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 4801 |
Source: District of Columbia records, as of November 10, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on Record |
|---|---|
| Mailing Address | 437 WARNER ST NW, WASHINGTON, DC 20001-2409 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 7, 2004 · Amount on Record |
| Deed Sale | Apr 7, 2004 · Amount on Record |
| Prior Sale | Mar 26, 2001 · Amount on Record |
| Deed Document Number | 48412 |
| Record Updated | Jun 8, 2026 |
Source: District of Columbia assessment roll, as of January 1, 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 | $5,397.00 (+5.29%) | $724,850 (+2.29%) Land $541,620 Building $183,230 | $724,850 (+2.29%) Land $541,620 Building $183,230 |
| 2023 | $5,126.00 | $708,650 Land $531,920 Building $176,730 | $708,650 Land $531,920 Building $176,730 |
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 | 3 in force |
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 1,429 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry.
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