King County property record for 3941 Wallingford Ave N, Seattle, WA 98103
| Property Type | Medical Building |
|---|---|
| Details | 2,928 sqft · built 1927 |
| Lot Size | 0.07 acres (3,052 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,250,000 (Nov 2020) |
| Tax Bill | $9,840 (2026) |
| Deeds & Mortgages | Nov 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 408330-2398 |
| Primary APN | 408330-2398 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,928 sqft Gross Area |
| Basement Area | 576 sqft |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 3,052 sqft (0.07 acres) |
| Heating System | Heat Pump |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 408330239802 |
|---|---|
| Street Address | 3941 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-8247 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Local Zoning Code | NC1-40 (M) |
| Legal Description | LAKE UNION ADD N 26.77 FT PLAT BLOCK: 28 PLAT LOT: 1 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | LAKE UNION ADD |
| Legal Block | 28 |
| Legal Lot Number | 1 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 5402 |
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 | 3941 WALLINGFORD AVE N, SEATTLE, WA 98103-8247 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 13, 2020 · Amount on File |
| Deed Sale | Nov 13, 2020 · Amount on File |
| Prior Sale | Oct 14, 1988 |
| Deed Document Number | 20203113 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Nov 13, 2020 |
| Property Address | 3941 WALLINGFORD AVE N, SEATTLE, WA 98103-8247 |
| Document Number | 0000003113 |
| Map Reference | VOL 1 PG 238 |
| Instrument Date | Nov 13, 2020 |
| Instrument | 20201113003113 |
| Transaction Type | Transfer |
| Record Updated | Jul 30, 2021 |
| Title Company | FIRST AMER TTL INS CO NATL C |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $21,355.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3941 WALLINGFORD AVE N, SEATTLE, WA 98103-8247 |
| Document Number | 0000003114 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 20201113003114 |
| Name | LIVE OAK BANKING COMPANY |
|---|---|
| Type | Bank |
| Type | SBA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Nov 12, 2045 |
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 | $9,840.00 (+5.75%) | ||
| 2025 | $9,305.00 | $919,500 (-2%) Land $885,000 Building $34,500 | $919,500 (-2%) Land $885,000 Building $34,500 |
| 2024 | $9,305.00 (+2.31%) | $938,300 (-10.4%) Land $915,600 Building $22,700 | $938,300 (-10.4%) Land $915,600 Building $22,700 |
| 2022 | $9,095.00 | $1,047,200 Land $793,500 Building $253,700 | $1,047,200 Land $793,500 Building $253,700 |
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 | 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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