King County property record for 3121 12th Ave S, Seattle, WA 98144
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,330 sqft · built 1950 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $10,499 (2026) |
| Deeds & Mortgages | Oct 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 307650-0520 |
| Primary APN | 307650-0520 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,330 sqft Living Area |
| Gross Area | 2,760 sqft |
| 1st Floor Area | 1,230 sqft |
| Basement Area | 1,230 sqft |
| Finished Basement | 1,100 sqft |
| Unfinished Basement | 130 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Exterior Material | Brick |
| Lot Area | 7,200 sqft (0.165 acres) |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 260 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 307650052003 |
|---|---|
| Street Address | 3121 12TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98144-5706 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | HANFORDS ADD TO SOUTH SEATTLE PLAT BLOCK: 26 PLAT LOT: 8 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 08 |
| Legal Subdivision | HANFORDS ADD TO SOUTH SEATTLE |
| Legal Block | 26 |
| Legal Lot Number | 8 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 9300 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3121 12TH AVE S, SEATTLE, WA 98144-5706 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 1, 1992 |
| Deed Sale | Apr 1, 1992 |
| Deed Document Number | 19925121094 |
| Deed Book / Page | 1 / 37 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3121 12TH AVE S, SEATTLE, WA 98144-5706 |
| Transaction Type | Mortgage |
| Record Updated | Nov 10, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|
| Document Number | 0000000217 |
|---|---|
| Date | Oct 28, 2021 |
| Instrument | 20211028000217 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Nov 1, 2036 |
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 | $10,499.00 (+14.63%) | ||
| 2025 | $959,000 (+7.39%) Land $637,000 Building $322,000 | $959,000 (+7.39%) Land $637,000 Building $322,000 | |
| 2024 | $9,159.00 (+12.22%) | $893,000 (-0.67%) Land $637,000 Building $256,000 | $893,000 (-0.67%) Land $637,000 Building $256,000 |
| 2022 | $8,162.00 | $899,000 Land $487,000 Building $412,000 | $899,000 Land $487,000 Building $412,000 |
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 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 98% 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 | 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 370 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber | 2,000 / 1,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile, Xfinity.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures