King County property record for 905 20th Ave S, Seattle, WA 98144
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,890 sqft · built 1905 |
| Lot Size | 0.069 acres (3,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $464,000 (Apr 2006) |
| Tax Bill | $9,467 (2026) |
| Deeds & Mortgages | Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 712830-0135 |
| Primary APN | 712830-0135 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 1,890 sqft Living Area |
| Gross Area | 2,490 sqft |
| 1st Floor Area | 990 sqft |
| 2nd Floor Area | 900 sqft |
| Basement Area | 600 sqft |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1905 |
| Architectural Style | Duplex Single |
| Lot Area | 3,000 sqft (0.069 acres) |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 170 sqft |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 712830013504 |
|---|---|
| Street Address | 905 20TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98144-2921 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RSL (M) |
| Legal Description | RAINIER ADD TO SEATTLE PLAT BLOCK: 2 PLAT LOT: 2 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 04 |
| Legal Subdivision | RAINIER ADD TO SEATTLE |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 4 |
| Census Block | 4015 |
| Census Tract | 9400 |
905 20th Ave S, a duplex, is owned by two individuals who bought it in April 2006.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 2005 S CHARLES ST, SEATTLE, WA 98144-2934 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 7, 2006 · Amount on File |
| Deed Sale | Apr 7, 2006 · Amount on File |
| Deed Document Number | 20062523 |
| Prior Transfer Date | Dec 24, 1999 |
| Prior Transfer Doc | 0000000424 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 905 20TH AVE S, SEATTLE, WA 98144-2921 |
| Transaction Type | Mortgage |
| Record Updated | Apr 7, 2021 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000001820 |
|---|---|
| Date | Mar 29, 2021 |
| Instrument | 20210329001820 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
The 2026 property tax bill for 905 20th Ave S was $9,467.
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 | $9,467.00 | ||
| 2025 | $906,000 (+8.76%) Land $347,000 Building $559,000 | $906,000 (+8.76%) Land $347,000 Building $559,000 | |
| 2024 | $8,125.00 | $833,000 Land $341,000 Building $492,000 | $833,000 Land $341,000 Building $492,000 |
| 2022 | $7,445.00 | $854,000 Land $294,000 Building $560,000 | $854,000 Land $294,000 Building $560,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 905 20th Ave S in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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.
The area around 905 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 | 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 655 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber | 8,000 / 8,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Google Fiber, T-Mobile.
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