King County property record for 509 17th Ave E, Seattle, WA 98112 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.25 ba · 2,850 sqft · built 1907 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $870,000 (Nov 2010) |
| Tax Bill | $16,968 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 423240-0495 |
| Primary APN | 423240-0495 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Stories | 2 Stories |
| Building Area | 2,850 sqft Living Area |
| 1st Floor Area | 1,090 sqft |
| 2nd Floor Area | 880 sqft |
| Basement Area | 880 sqft |
| Finished Basement | 880 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1907 |
|---|---|
| Effective Year Built | Effective 1907 |
| Lot Area | 5,400 sqft (0.124 acres) |
| Garage Type | Detached |
| Garage Area | 270 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 90 sqft |
| Deck Area | 570 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 423240049506 |
|---|---|
| Street Address | 509 17TH AVE E |
| City | SEATTLE |
| State | WA |
| Zip | 98112-4615 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LAWS ADD PLAT BLOCK: 15 PLAT LOT: 10 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 28 |
| Legal Subdivision | LAWS ADD |
| Legal Block | 15 |
| Legal Lot Number | 10 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 7600 |
Source: King County records · APN 423240-0495
Assessment roll updated July 7, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 509 17TH AVE E, SEATTLE, WA 98112-4615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 05, 2010 · Amount on Record |
| Deed Sale | Nov 05, 2010 · Amount on Record |
| Prior Sale | Aug 24, 2005 · Amount on Record |
| Deed Document Number | 20101437 |
| Record Updated | Sep 20, 2026 |
Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $16,968.00 (+10.63%) | ||
| 2025 | $1,639,000 (+2.89%) Land $954,000 Building $685,000 | $1,639,000 (+2.89%) Land $954,000 Building $685,000 | |
| 2024 | $15,338.00 (-4.82%) | $1,593,000 (-16.16%) Land $954,000 Building $639,000 | $1,593,000 (-16.16%) Land $954,000 Building $639,000 |
| 2022 | $16,114.00 | $1,900,000 Land $592,000 Building $1,308,000 | $1,900,000 Land $592,000 Building $1,308,000 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 530330076001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 1 individual NFIP policies nearby |
| Nearby Flood Policies | 1 in force 1 of 1 on primary residences |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2017, other causes, Severe Winter Storms, Flooding, Landslides, Mudslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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.
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