King County property record for 4131 Wallingford Ave N, Seattle, WA 98103
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 1,640 sqft · built 1984 |
| Lot Size | 0.133 acres (5,798 sqft) |
| Owner | Individual Name on File |
| Last Sale | $15,000 (Jun 2010) |
| Tax Bill | $17,114 (2026) |
| Deeds & Mortgages | Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 408330-1515 |
| Primary APN | 408330-1515 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Stories | 2 Stories |
| Building Area | 1,640 sqft Living Area |
| Gross Area | 2,450 sqft |
| 1st Floor Area | 870 sqft |
| 2nd Floor Area | 770 sqft |
| Basement Area | 290 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Lot Area | 5,798 sqft (0.133 acres) |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 160 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 408330151502 |
|---|---|
| Street Address | 4131 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-8220 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LR2 (M1) |
| Legal Description | LAKE UNION ADD PCL B SEATTLE BLA #3007071 REC #20081014900010 SD BLA DAF LOT 1 & N 20 FT OF LOT 2 BLOCK 18 OF SD ADD |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | LAKE UNION ADD |
| Legal Block | 18 |
| Legal Lot Number | 1 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 5000 |
4131 Wallingford Ave N is owned and occupied by an individual who bought it in June 2010.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4131 WALLINGFORD AVE N, SEATTLE, WA 98103-8220 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 14, 2010 · Amount on File |
| Deed Sale | Jun 14, 2010 · Amount on File |
| Prior Sale | Oct 25, 1995 · Amount on File |
| Deed Document Number | 2010542 |
| Prior Transfer Date | Mar 16, 2010 |
| Prior Transfer Doc | 0000000542 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 4131 WALLINGFORD AVE N, SEATTLE, WA 98103-8220 |
| Transaction Type | Mortgage |
| Record Updated | Aug 19, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|
| Document Number | 0000000367 |
|---|---|
| Date | Aug 9, 2021 |
| Instrument | 20210809000367 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2051 |
The 2026 property tax bill for 4131 Wallingford Ave N was $17,114.
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 | $17,114.00 | ||
| 2025 | $1,644,000 (+7.87%) Land $1,643,000 Building $1,000 | $1,644,000 (+7.87%) Land $1,643,000 Building $1,000 | |
| 2024 | $14,796.00 | $1,524,000 Land $1,523,000 Building $1,000 | $1,524,000 Land $1,523,000 Building $1,000 |
| 2022 | $12,615.00 | $1,469,000 Land $1,359,000 Building $110,000 | $1,469,000 Land $1,359,000 Building $110,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4131 Wallingford Ave N 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 4131 Wallingford Ave N 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 1,090 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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