King County property record for 12642 1st Ave S, Seattle, WA 98168
| Property Type | Quadplex |
|---|---|
| Details | 1 bd · 3.25 ba · 4,610 sqft · built 2024 |
| Lot Size | 0.144 acres (6,250 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $215,000 (Sep 2015) |
| Tax Bill | $15,400 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 144680-0365 |
| Primary APN | 144680-0365 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 3 Half Baths |
| Stories | 1 Story |
| Building Area | 4,610 sqft Living Area |
| 1st Floor Area | 1,530 sqft |
| 2nd Floor Area | 1,580 sqft |
| Upper Floors Area | 1,500 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Architectural Style | Quadruplex |
| Lot Area | 6,250 sqft (0.144 acres) |
| View / Lot | Highway |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 144680036502 |
|---|---|
| Street Address | 12642 1ST AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98168-2617 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | MU-2 |
| Legal Description | CEDARHURST DIV # 2 PLAT BLOCK: 12 PLAT LOT: 20 |
| Legal Range | 04 |
| Legal Township | 23 |
| Legal Section | 08 |
| Legal Subdivision | CEDARHURST DIV NO. 02 |
| Legal Block | 12 |
| Legal Lot Number | 20 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 27400 |
12642 1st Ave S, a quadplex, is owned and occupied by two individuals who acquired it in October 2015.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12642 1ST AVE S, SEATTLE, WA 98168-2617 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 11, 2015 · Amount on File |
| Deed Sale | Sep 11, 2015 · Amount on File |
| Prior Sale | Jun 27, 1986 |
| Deed Document Number | 2015370 |
| Last Transfer Date | Oct 13, 2015 |
| Transfer Doc | 0000000095 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 12642 1st Ave S was $15,400.
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Burien City |
| Unified School District | Highline School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $15,400.00 | ||
| 2025 | $1,339,000 (+55.52%) Land $192,000 Building $1,147,000 | $1,339,000 (+55.52%) Land $192,000 Building $1,147,000 | |
| 2024 | $9,419.00 | $861,000 Land $195,000 Building $666,000 | $861,000 Land $195,000 Building $666,000 |
| 2022 | $4,167.00 | $377,000 Land $136,000 Building $241,000 | $377,000 Land $136,000 Building $241,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12642 1st Ave S 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.
Wildfire risk around 12642 1st Ave S is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.6% of Washington |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | KING COUNTY WATER DISTRICT #20 serves 48,469 people · EPA ID WA5338950 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2021 |
| 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) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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