King County property record for 3609 Wallingford Ave N, Seattle, WA 98103
| Property Type | Triplex |
|---|---|
| Details | 5 bd · 3 ba · 2,480 sqft · built 1919 |
| Lot Size | 0.075 acres (3,260 sqft) |
| Owner | Company Name on File |
| Last Sale | $125,000 (May 1991) |
| Tax Bill | $11,784 (2026) |
| Deeds & Mortgages | Jun 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 408330-5665 |
| Primary APN | 408330-5665 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 4 Units |
| Stories | 1 Story |
| Building Area | 2,480 sqft Living Area |
| Gross Area | 2,930 sqft |
| 1st Floor Area | 1,320 sqft |
| Upper Floors Area | 290 sqft |
| Basement Area | 1,320 sqft |
| Finished Basement | 870 sqft |
| Unfinished Basement | 450 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1919 |
|---|---|
| Effective Year Built | Effective 1919 |
| Architectural Style | Triplex |
| Lot Area | 3,260 sqft (0.075 acres) |
| Porch | Open Porch |
| Porch Area | 60 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 408330566501 |
|---|---|
| Street Address | 3609 WALLINGFORD AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-8270 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | LR2 (M) |
| Legal Description | LAKE UNION ADD E 80 FT OF N 40 FT PLAT BLOCK: 59 PLAT LOT: 7 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | LAKE UNION ADD |
| Legal Block | 59 |
| Legal Lot Number | 7 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1015 |
| 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 | 4509 80TH ST SW, MUKILTEO, WA 98275-3042 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 6, 1991 · Amount on File |
| Deed Sale | May 6, 1991 · Amount on File |
| Deed Document Number | 19915210446 |
| Deed Book / Page | 1 / 238 |
| Last Transfer Date | May 31, 2017 |
| Transfer Doc | 0000000001 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jun 26, 2017 |
| Property Address | 3609 WALLINGFORD AVE N, SEATTLE, WA 98103-8270 |
| Document Number | 0000000001 |
| Instrument Date | May 31, 2017 |
| Instrument | 201706260001 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 3609 WALLINGFORD AVE N SEATTLE WA 981038270, SEATTLE, WA 98103-8270 |
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 | $11,784.00 (+14.11%) | ||
| 2025 | $1,137,000 (+6.06%) Land $886,000 Building $251,000 | $1,137,000 (+6.06%) Land $886,000 Building $251,000 | |
| 2024 | $10,327.00 (-1.8%) | $1,072,000 (-13.9%) Land $822,000 Building $250,000 | $1,072,000 (-13.9%) Land $822,000 Building $250,000 |
| 2022 | $10,516.00 | $1,245,000 Land $733,000 Building $512,000 | $1,245,000 Land $733,000 Building $512,000 |
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 · 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 309 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber | 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