King County property record for 959 20th Ave, Seattle, WA 98122
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3.75 ba · 2,620 sqft · built 1903 |
| Lot Size | 0.097 acres (4,235 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,738,000 (Jul 2025) |
| Tax Bill | $14,514 (2026) |
| Deeds & Mortgages | Jul 2025 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 722850-2335 |
| Primary APN | 722850-2335 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,620 sqft Living Area |
| 1st Floor Area | 970 sqft |
| 2nd Floor Area | 1,030 sqft |
| Basement Area | 620 sqft |
| Finished Basement | 620 sqft |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 2025 |
| Architectural Style | Duplex Single |
| Lot Area | 4,235 sqft (0.097 acres) |
| Porch | Open Porch |
| Porch Area | 110 sqft |
| Deck Area | 180 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 722850233502 |
|---|---|
| Street Address | 959 20TH AVE |
| City | SEATTLE |
| State | WA |
| Zip | 98122-4735 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | NR3 |
| Legal Description | RENTON HILL ADD S 35 FT OF N 50 FT PLAT BLOCK: 18 PLAT LOT: 5 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 33 |
| Legal Subdivision | RENTON HILL ADD |
| Legal Block | 18 |
| Legal Lot Number | 5 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 7902 |
959 20th Ave, a duplex, is owned by two individuals who bought it in July 2025.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 211 15TH AVE, A, SEATTLE, WA 98122-5603 |
| Owner Type | Individual |
| Vesting | Married Couple |
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 | Jul 24, 2025 · Amount on File |
| Deed Sale | Jul 24, 2025 · Amount on File |
| Prior Sale | Jul 19, 2024 · Amount on File |
| Deed Document Number | 2025573 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jul 24, 2025 |
| Property Address | 959 20TH AVE, SEATTLE, WA 98122-4735 |
| Document Number | 0000000573 |
| Map Reference | VOL 8 PG 68 |
| Instrument Date | Jul 21, 2025 |
| Instrument | 20250724000573 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Dec 25, 2025 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $33,127.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 211 15TH AVE # A, A, SEATTLE, WA 98122-5603 |
| Document Number | 0000000574 |
|---|---|
| Date | Jul 24, 2025 |
| Instrument | 20250724000574 |
| Name | MOVEMENT MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.75% |
| Type Change Date | Aug 1, 2032 |
| Change Frequency | Annually |
| Min Rate At Change | 4.75% |
| Max Rate At Change | 8.75% |
| Max Rate | 11.7% |
The 2026 property tax bill for 959 20th Ave was $14,514, up 67.9% from the year before.
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 | $14,514.00 (+67.87%) | ||
| 2025 | $8,646.00 | $1,402,000 (+60.05%) Land $582,000 Building $820,000 | $1,402,000 (+60.05%) Land $582,000 Building $820,000 |
| 2024 | $8,646.00 | $876,000 Land $571,000 Building $305,000 | $876,000 Land $571,000 Building $305,000 |
| 2022 | $8,498.00 | $898,000 Land $493,000 Building $405,000 | $898,000 Land $493,000 Building $405,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 959 20th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.
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 |
| Nearby Flood Claims | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2020 · other causes |
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 959 20th Ave 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 1,153 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 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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