King County property record for 3907 Wallingford Ave N, Seattle, WA 98103
| Property Type | Quadplex |
|---|---|
| Details | 4 bd · 2.75 ba · 3,308 sqft · built 1909 |
| Lot Size | 0.089 acres (3,881 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $595,000 (Sep 2012) |
| Tax Bill | $14,541 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 408330-2459 |
| Primary APN | 408330-2459 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Units | 5 Units |
| Stories | 3 Stories |
| Building Area | 3,308 sqft Adjusted Area |
| Gross Area | 3,630 sqft |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Custom Design |
| Exterior Material | Wood |
| Construction Type | Wood |
| Lot Area | 3,881 sqft (0.089 acres) |
| Garage Type | Covered |
| Porch | Patio |
| Porch Area | 130 sqft |
| Deck Area | 350 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 408330245908 |
|---|---|
| Street Address | 3907 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-8264 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | NR3 |
| Legal Description | LAKE UNION ADD PARCEL A CITY OF SEATTLE SHORT PLAT #239 AF #7603160516 SD SHORT PLAT DAF S 20 FT LOT 6 & ALL LOT 7 BLOCK 28 LAKE UNION ADDITION |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | LAKE UNION ADD |
| Legal Block | 28 |
| Legal Lot Number | 6-7 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 5402 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Chittenden Locks and Lake Washington Ship Canal listed 1978 · 14 contributing resources · NRIS 78002751 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
3907 Wallingford Ave N, a quadplex, is owned by two individuals who bought it in September 2012.
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 | 10035 NE 27TH ST, BELLEVUE, WA 98004-1953 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 2012 · Amount on File |
| Deed Sale | Sep 14, 2012 · Amount on File |
| Prior Sale | Aug 2, 1990 |
| Deed Document Number | 20121641 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 3907 Wallingford Ave N was $14,541.
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 | $14,541.00 | ||
| 2025 | $1,390,000 (+6.11%) Land $523,000 Building $867,000 | $1,390,000 (+6.11%) Land $523,000 Building $867,000 | |
| 2024 | $12,774.00 | $1,310,000 Land $485,100 Building $824,900 | $1,310,000 Land $485,100 Building $824,900 |
| 2022 | $12,590.00 | $1,473,000 Land $388,100 Building $1,084,900 | $1,473,000 Land $388,100 Building $1,084,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3907 Wallingford Ave N 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 3907 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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