King County property record for 523 21st Ave E, Seattle, WA 98112
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.75 ba · 2,420 sqft · built 1905 |
| Lot Size | 0.11 acres (4,800 sqft) |
| Owner | 2 Individuals on Record |
| Last Sale | $74,000 (Apr 1987) |
| Tax Bill | $15,670 (2026) |
| Deeds & Mortgages | Nov 2023 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 814120-0075 |
| Primary APN | 814120-0075 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,420 sqft Living Area |
| Gross Area | 2,740 sqft |
| 1st Floor Area | 1,440 sqft |
| Basement Area | 980 sqft |
| Finished Basement | 980 sqft |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 4,800 sqft (0.11 acres) |
| Garage Type | Attached |
| Garage Area | 320 sqft |
| Porch | Open Porch |
|---|---|
| Porch Area | 50 sqft |
| Deck Area | 150 sqft |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 814120007509 |
|---|---|
| Street Address | 523 21ST AVE E |
| City | SEATTLE |
| State | WA |
| Zip | 98112-4017 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RSL (M) |
| Legal Description | SUNSHINE ADD PLAT BLOCK: 1 PLAT LOT: 15 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 28 |
| Legal Subdivision | SUNSHINE ADD |
| Legal Block | 1 |
| Legal Lot Number | 15 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 7600 |
Source: King County assessment roll, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individuals on Record |
|---|---|
| Mailing Address | 523 21ST AVE E, SEATTLE, WA 98112-4017 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 24, 1987 · Amount on Record |
| Deed Sale | Apr 24, 1987 · Amount on Record |
| Deed Document Number | 19874291675 |
| Deed Book / Page | 3 / 95 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 523 21ST AVE E, SEATTLE, WA 98112-4017 |
| Transaction Type | Mortgage |
| Record Updated | Dec 7, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0000000715 |
|---|---|
| Date | Nov 15, 2023 |
| Instrument | 20231115000715 |
| Name | BOEING EMPLOYEES CU |
|---|---|
| Type | Credit Union |
| Address | SEATTLE, WA 98124 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Nov 10, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $15,670.00 (+10.59%) | ||
| 2025 | $1,508,000 (+2.86%) Land $1,423,000 Building $85,000 | $1,508,000 (+2.86%) Land $1,423,000 Building $85,000 | |
| 2024 | $14,170.00 (+47.67%) | $1,466,000 (+31.01%) Land $1,423,000 Building $43,000 | $1,466,000 (+31.01%) Land $1,423,000 Building $43,000 |
| 2022 | $9,596.00 | $1,119,000 Land $584,000 Building $535,000 | $1,119,000 Land $584,000 Building $535,000 |
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 Policies | 1 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, Landslides, Mudslides |
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 | 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 851 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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