King County property record for 4517 40th Ave SW, Seattle, WA 98116
| Property Type | Quadplex |
|---|---|
| Details | 3,836 sqft · built 1994 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | Company Name on File |
| Last Sale | $950,000 (Feb 2016) |
| Tax Bill | $12,572 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 095200-6935 |
| Primary APN | 095200-6935 |
|---|---|
| Alternative APN |
|
| Units | 5 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,836 sqft Adjusted Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 2008 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,750 sqft (0.132 acres) |
| Garage Type | Open |
| Cooling System | Central |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 095200693505 |
|---|---|
| Street Address | 4517 40TH AVE SW |
| City | SEATTLE |
| State | WA |
| Zip | 98116-4200 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | LR2 (M) |
| Legal Description | BOSTON COMPANYS PLAT OF W S |
| Legal Range | 03 |
| Legal Township | 24 |
| Legal Section | 14 |
| Legal Subdivision | BOSTON COMPANYS PLAT OF W S |
| Legal Block | 54 |
| Legal Lot Number | 7-8 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 10501 |
4517 40th Ave SW, a quadplex, is owned by a company that bought it in February 2016.
Source: King County records, as of July 7, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 8809 42ND AVE SW, SEATTLE, WA 98136-2520 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 29, 2016 · Amount on File |
| Deed Sale | Feb 29, 2016 · Amount on File |
| Prior Sale | Aug 10, 2010 · Amount on File |
| Deed Document Number | 20162020 |
| Transfer Doc | 0001357673 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 4517 40th Ave SW was $12,572.
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 | $12,572.00 | ||
| 2025 | $1,155,000 (-5.48%) Land $920,000 Building $235,000 | $1,155,000 (-5.48%) Land $920,000 Building $235,000 | |
| 2024 | $12,308.00 | $1,222,000 Land $920,000 Building $302,000 | $1,222,000 Land $920,000 Building $302,000 |
| 2022 | $11,456.00 | $1,297,000 Land $862,500 Building $434,500 | $1,297,000 Land $862,500 Building $434,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4517 40th Ave SW in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 4517 40th Ave SW has no burnable land within ember reach, so its wildfire risk is not rated.
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 763 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber | 3,000 / 3,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber, T-Mobile.
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