King County property record for 3640 Wallingford Ave N, Seattle, WA 98103
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 9,249 sqft · built 1924 |
| Lot Size | 0.22 acres (9,576 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,149,900 (Nov 2010) |
| Tax Bill | $29,274 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 408330-5610 |
| Primary APN | 408330-5610 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 9,249 sqft Gross Area |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 9,576 sqft (0.22 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 408330561007 |
|---|---|
| Street Address | 3640 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-8242 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | LR2 RC (M) |
| Legal Description | LAKE UNION ADD 15 LESS S 36 FT & ALL 16 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | LAKE UNION ADD |
| Legal Block | 58 |
| Legal Lot Number | 15-16 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 5401 |
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.
3640 Wallingford Ave N, a residential property, is owned by a company that bought it in November 2010.
Source: King County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 400 UNIVERSITY ST, 300, SEATTLE, WA 98101-2689 |
| Owner Type | Company |
| Vesting | Company |
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 | Nov 30, 2010 · Amount on File |
| Deed Sale | Nov 30, 2010 · Amount on File |
| Prior Sale | Oct 1, 1999 · Amount on File |
| Deed Document Number | 20103075 |
| Prior Transfer Date | Dec 13, 1993 |
| Prior Transfer Doc | 0000000587 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 3640 Wallingford Ave N was $29,274.
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 | $29,274.00 | ||
| 2025 | $2,728,000 (+0.05%) Land $2,298,200 Building $429,800 | $2,728,000 (+0.05%) Land $2,298,200 Building $429,800 | |
| 2024 | $27,158.00 | $2,726,700 Land $2,298,200 Building $428,500 | $2,726,700 Land $2,298,200 Building $428,500 |
| 2022 | $22,716.00 | $2,573,700 Land $2,106,700 Building $467,000 | $2,573,700 Land $2,106,700 Building $467,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3640 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 3640 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures