King County property record for 9550 Interlake Ave N, Seattle, WA 98103
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 3 ba · 3,648 sqft · built 1969 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $420,000 (May 2005) |
| Tax Bill | $12,023 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 431070-1450 |
| Primary APN | 431070-1450 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 3,648 sqft Living Area |
| 1st Floor Area | 1,818 sqft |
| Basement Area | 1,830 sqft |
| Finished Basement | 1,830 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Duplex Single |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 650 sqft |
| Deck Area | 130 sqft |
| Heating Fuel | Electric |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 431070145005 |
|---|---|
| Street Address | 9550 INTERLAKE AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-3324 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | LR3 (M) |
| Legal Description | LICTON SPRINGS PARK ADD |
| Legal Range | 04 |
| Legal Township | 26 |
| Legal Section | 31 |
| Legal Subdivision | LICTON SPRINGS PARK ADD |
| Legal Block | 8 |
| Legal Lot Number | 3-4 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 1300 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 339 N 74TH ST, SEATTLE, WA 98103-5025 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 31, 2005 · Amount on Record |
| Deed Sale | May 31, 2005 · Amount on Record |
| Prior Sale | Apr 19, 2002 · Amount on Record |
| Deed Document Number | 20054334 |
| Prior Transfer Date | May 7, 1996 |
| Prior Transfer Doc | 0000001070 |
| 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 | $12,023.00 (+13.2%) | ||
| 2025 | $1,140,000 (+5.56%) Land $900,000 Building $240,000 | $1,140,000 (+5.56%) Land $900,000 Building $240,000 | |
| 2024 | $10,621.00 (+19.06%) | $1,080,000 (+6.51%) Land $875,000 Building $205,000 | $1,080,000 (+6.51%) Land $875,000 Building $205,000 |
| 2022 | $8,921.00 | $1,014,000 Land $942,000 Building $72,000 | $1,014,000 Land $942,000 Building $72,000 |
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 837 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 |
| AT&T Fixed Wireless | 100 / 20 |
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