King County property record for 25720 18th Ave S, Des Moines, WA 98198
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,520 sqft · built 1960 |
| Lot Size | 0.172 acres (7,488 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $134,950 (Oct 1997) |
| Tax Bill | $879 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 788810-0130 |
| Primary APN | 788810-0130 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,520 sqft Living Area |
| 1st Floor Area | 1,320 sqft |
| Upper Floors Area | 200 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 7,488 sqft (0.172 acres) |
| Garage Type | Detached |
| Garage Area | 530 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 788810013003 |
|---|---|
| Street Address | 25720 18TH AVE S |
| City | DES MOINES |
| State | WA |
| Zip | 98198-9034 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS-7200 |
| Legal Description | SOUTH SHORE HILLS # 2 5 & S 2 FT OF 4 BLK 5 SOUTH SHORE HILLS # 3 PLAT BLOCK: 3 PLAT LOT: 5 |
| Legal Range | 04 |
| Legal Township | 22 |
| Legal Section | 28 |
| Legal Subdivision | SOUTH SHORE HILLS NO. 02 |
| Legal Block | 3 |
| Legal Lot Number | 5 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 29003 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 25720 18TH AVE S, DES MOINES, WA 98198-9034 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 10, 1997 · Amount on Record |
| Deed Sale | Oct 10, 1997 · Amount on Record |
| Deed Document Number | 19971352 |
| Last Transfer Date | Mar 5, 2011 |
| Transfer Doc | 0000000439 |
| Record Updated | Sep 20, 2026 |
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Des Moines City |
| Unified School District | Federal Way School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $879.00 (+2.69%) Senior Citizen's exemption | ||
| 2025 | $548,000 (+117.46%) Land $280,000 Building $268,000 | $548,000 (+13.69%) Land $280,000 Building $268,000 | |
| 2024 | $856.00 (-63.37%) Senior Citizen's exemption | $252,000 (-) Land $82,000 Building $170,000 | $482,000 (+2.55%) Land $158,000 Building $324,000 |
| 2022 | $2,337.00 Senior Citizen's exemption | $252,000 Land $82,000 Building $170,000 | $470,000 Land $138,000 Building $332,000 |
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
| 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.
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 | HIGHLINE WATER DISTRICT serves 100,170 people · EPA ID WA5340650 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2021 |
| Lead | 1 ppb (2023–2025) 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 387 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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