King County property record for 1721 21st Ave E, Seattle, WA 98112
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 4,970 sqft · built 1936 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,975,000 (Sep 2016) |
| Tax Bill | $30,376 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 359250-0945 |
| Primary APN | 359250-0945 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 3 Half Baths |
| Stories | 2 Stories |
| Building Area | 4,970 sqft Living Area |
| 1st Floor Area | 2,130 sqft |
| 2nd Floor Area | 1,040 sqft |
| Basement Area | 1,800 sqft |
| Finished Basement | 1,800 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Exterior Material | Brick |
| Lot Area | 8,400 sqft (0.193 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 160 sqft |
| Deck Area | 540 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 359250094505 |
|---|---|
| Street Address | 1721 21ST AVE E |
| City | SEATTLE |
| State | WA |
| Zip | 98112-3404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | INTERLAKEN ADD PLAT BLOCK: 17 PLAT LOT: 5 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 21 |
| Legal Subdivision | INTERLAKEN ADD |
| Legal Block | 17 |
| Legal Lot Number | 5 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 6200 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 1721 21ST AVE E, SEATTLE, WA 98112-3404 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 19, 2016 · Amount on Record |
| Deed Sale | Sep 19, 2016 · Amount on Record |
| Prior Sale | Jun 3, 2010 · Amount on Record |
| Deed Document Number | 20161384 |
| Record Updated | Oct 29, 2026 |
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $30,376.00 (+10.68%) | ||
| 2025 | $2,965,000 (+2.88%) Land $1,328,000 Building $1,637,000 | $2,965,000 (+2.88%) Land $1,328,000 Building $1,637,000 | |
| 2024 | $27,446.00 (+4.1%) | $2,882,000 (-8.25%) Land $1,328,000 Building $1,554,000 | $2,882,000 (-8.25%) Land $1,328,000 Building $1,554,000 |
| 2022 | $26,364.00 | $3,141,000 Land $1,293,000 Building $1,848,000 | $3,141,000 Land $1,293,000 Building $1,848,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (1996–1997) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Mar 1997 · Heavy Rains, Snow Melt, Flooding, Land & Mud Slides |
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 | Low lower than 94% of the US · lower than 96% of Washington |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2025) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 559 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, T-Mobile.
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