King County property record for 5100 Wallingford Ave N, Seattle, WA 98103
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 2,280 sqft · built 1951 |
| Lot Size | 0.118 acres (5,130 sqft) |
| Owner | Company Name on File |
| Last Sale | $448,000 (Jul 2009) |
| Tax Bill | $13,648 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 913610-2435 |
| Primary APN | 913610-2435 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,280 sqft Living Area |
| Gross Area | 2,960 sqft |
| 1st Floor Area | 1,480 sqft |
| Basement Area | 1,480 sqft |
| Finished Basement | 800 sqft |
| Unfinished Basement | 680 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Duplex Single |
| Exterior Material | Brick |
| Lot Area | 5,130 sqft (0.118 acres) |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 913610243507 |
|---|---|
| Street Address | 5100 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | NR3 |
| Legal Description | WALLINGFORDS DIV OF GREEN LAKE S 57 FT |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 07 |
| Legal Subdivision | WALLINGFORDS DIV OF GREEN LAKE ADD |
| Legal Block | 12 |
| Legal Lot Number | 21 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 4600 |
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 | Company Name on File |
|---|---|
| Mailing Address | 3907 47TH AVE NE, SEATTLE, WA 98105-5222 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 15, 2009 · Amount on File |
| Deed Sale | Jul 15, 2009 · Amount on File |
| Prior Sale | Sep 14, 1992 · Amount on File |
| Deed Document Number | 20091373 |
| Prior Transfer Date | Aug 14, 1992 |
| Prior Transfer Doc | 0008282132 |
| Record Updated | Oct 29, 2026 |
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 | $13,648.00 (+16.86%) | ||
| 2025 | $1,304,000 (+9.12%) Land $892,000 Building $412,000 | $1,304,000 (+9.12%) Land $892,000 Building $412,000 | |
| 2024 | $11,679.00 (+8.83%) | $1,195,000 (-3.4%) Land $827,000 Building $368,000 | $1,195,000 (-3.4%) Land $827,000 Building $368,000 |
| 2022 | $10,731.00 | $1,237,000 Land $738,000 Building $499,000 | $1,237,000 Land $738,000 Building $499,000 |
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
| 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.
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 713 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 | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, T-Mobile.
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