King County property record for 5240 40th Ave W, Seattle, WA 98199
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,820 sqft · built 2008 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,100,000 (Dec 2009) |
| Tax Bill | $23,230 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 102503-9333 |
| Primary APN | 102503-9333 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,820 sqft Living Area |
| Gross Area | 4,260 sqft |
| 1st Floor Area | 1,520 sqft |
| 2nd Floor Area | 1,280 sqft |
| Basement Area | 1,020 sqft |
| Finished Basement | 1,020 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2008 |
| Lot Area | 5,000 sqft (0.115 acres) |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 70 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 102503933305 |
|---|---|
| Street Address | 5240 40TH AVE W |
| City | SEATTLE |
| State | WA |
| Zip | 98199-1105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | PCL C SEATTLE SP #2502649 REC #20060124900013 & REVISED UNDER REC #20060508900003 SD SP DAF BEG 58.6 FT N & 80 FT W OF SW COR OF GL 5 SEC 10-25-3 TH N 818.36 FT TO TPOB TH N 75 FT ALG E MGN OF 40TH AVE W TO PT 75 FT S OF S LN OF BAY TERRACE ADDN TH E |
| Legal Range | 03 |
| Legal Township | 25 |
| Legal Section | 10 |
| Legal Subdivision | SS 2502649 |
| Legal Block | 10 |
| Legal Lot Number | 7 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 5700 |
Source: King County records, as of September 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 5240 40TH AVE W, SEATTLE, WA 98199-1105 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Woman |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 15, 2009 · Amount on Record |
| Deed Sale | Dec 15, 2009 · Amount on Record |
| Deed Document Number | 20091051 |
| Last Transfer Date | Jun 20, 2023 |
| Transfer Doc | 0000000708 |
| 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 | $23,230.00 (+10.18%) | ||
| 2025 | $2,271,000 (+2.39%) Land $1,154,000 Building $1,117,000 | $2,271,000 (+2.39%) Land $1,154,000 Building $1,117,000 | |
| 2024 | $21,084.00 (+0.04%) | $2,218,000 (-11.67%) Land $1,132,000 Building $1,086,000 | $2,218,000 (-11.67%) Land $1,132,000 Building $1,086,000 |
| 2022 | $21,075.00 | $2,511,000 Land $976,000 Building $1,535,000 | $2,511,000 Land $976,000 Building $1,535,000 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 9 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 | Low lower than 95% of the US · lower than 97.1% 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 44 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber | 2,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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