King County property record for 25811 20th Ave S, Des Moines, WA 98198
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,320 sqft · built 1959 |
| Lot Size | 0.172 acres (7,473 sqft) |
| Owner | Individual Name on File |
| Last Sale | $304,561 (Mar 2016) |
| Tax Bill | $6,251 (2026) |
| Deeds & Mortgages | Nov 2019 Mortgage Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 788800-0370 |
| Primary APN | 788800-0370 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,320 sqft Living Area |
| 1st Floor Area | 1,320 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 7,473 sqft (0.172 acres) |
| Garage Type | Carport |
| Garage Area | 290 sqft |
| Carport | Carport |
| Carport Area | 290 sqft |
| Parking Spaces | 1 Parking Space |
| Shed | 1 Shed |
| Shed Area | 120 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 788800037004 |
|---|---|
| Street Address | 25811 20TH AVE S |
| City | DES MOINES |
| State | WA |
| Zip | 98198-9027 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS-7200 |
| Legal Description | SOUTH SHORE HILLS PLAT BLOCK: 4 PLAT LOT: 7 |
| Legal Range | 04 |
| Legal Township | 22 |
| Legal Section | 28 |
| Legal Subdivision | SOUTH SHORE HILLS |
| Legal Block | 4 |
| Legal Lot Number | 7 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 29003 |
25811 20th Ave S is owned and occupied by an individual who bought it in March 2016.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 25811 20TH AVE S, DES MOINES, WA 98198-9027 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 25, 2019 | Deed of Trust, Mortgage · VA Mortgage FREEDOM MORTGAGE CORP |
| Jan 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FREEDOM MORTGAGE CORP |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 17, 2016 · Amount on File |
| Deed Sale | Mar 17, 2016 · Amount on File |
| Prior Sale | Jul 31, 2015 · Amount on File |
| Deed Document Number | 20161438 |
| Prior Transfer Date | Jul 29, 2015 |
| Prior Transfer Doc | 0000000102 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 25811 20TH AVE S, DES MOINES, WA 98198-9027 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000001726 |
|---|---|
| Date | Nov 25, 2019 |
| Instrument | 20191125001726 |
| Name | FREEDOM MORTGAGE CORP |
|---|---|
| Type | Subprime Lender |
| Address | MOUNT LAUREL, NJ 08054 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 318 Months |
| Due | May 1, 2046 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 25811 20TH AVE S, DES MOINES, WA 98198-9027 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000000625 |
|---|---|
| Date | Jan 15, 2021 |
| Instrument | 20210115000625 |
| Name | FREEDOM MORTGAGE CORP |
|---|---|
| Type | Subprime Lender |
| Address | MOUNT LAUREL, NJ 08054 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 307 Months |
| Due | Aug 1, 2046 |
The 2026 property tax bill for 25811 20th Ave S was $6,251.
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 | $6,251.00 | ||
| 2025 | $571,000 (+5.94%) Land $280,000 Building $291,000 | $571,000 (+5.94%) Land $280,000 Building $291,000 | |
| 2024 | $5,802.00 | $539,000 Land $158,000 Building $381,000 | $539,000 Land $158,000 Building $381,000 |
| 2022 | $5,562.00 | $526,000 Land $138,000 Building $388,000 | $526,000 Land $138,000 Building $388,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 25811 20th 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.
The area around 25811 20th Ave S 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 | 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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