King County property record for 3340 Cascadia Ave S, Seattle, WA 98144 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 4,470 sqft · built 1921 |
| Lot Size | 0.198 acres (8,625 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $3,540,000 (Mar 2025) |
| Tax Bill | $33,705 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 570000-3980 |
| Primary APN | 570000-3980 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 4,470 sqft Living Area |
| Gross Area | 4,830 sqft |
| 1st Floor Area | 1,650 sqft |
| 2nd Floor Area | 1,560 sqft |
| Upper Floors Area | 100 sqft |
| Basement Area | 1,260 sqft |
| Finished Basement | 1,260 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Exterior Material | Brick |
| Lot Area | 8,625 sqft (0.198 acres) |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 50 sqft |
| Deck Area | 600 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 570000398000 |
|---|---|
| Street Address | 3340 CASCADIA AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98144-7026 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MOUNT BAKER PARK ADD S 69.38 FT PLAT BLOCK: 61 PLAT LOT: 7 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 15 |
| Legal Subdivision | MOUNT BAKER PARK ADD |
| Legal Block | 61 |
| Legal Lot Number | 7 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3053 |
| Census Tract | 9500 |
Source: King County records · APN 570000-3980
Assessment roll updated July 7, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 3340 CASCADIA AVE S, SEATTLE, WA 98144-7026 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 14, 2025 · Amount on Record |
| Deed Sale | Mar 14, 2025 · Amount on Record |
| Prior Sale | Oct 31, 2008 · Amount on Record |
| Deed Document Number | 2025441 |
| Prior Transfer Date | Aug 02, 2007 |
| Prior Transfer Doc | 0000000409 |
| Record Updated | Sep 20, 2026 |
Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $33,705.00 (+16.89%) | ||
| 2025 | $3,301,000 (+8.84%) Land $1,385,000 Building $1,916,000 | $3,301,000 (+8.84%) Land $1,385,000 Building $1,916,000 | |
| 2024 | $28,834.00 (+10.87%) | $3,033,000 (-2.07%) Land $1,385,000 Building $1,648,000 | $3,033,000 (-2.07%) Land $1,385,000 Building $1,648,000 |
| 2022 | $26,007.00 | $3,097,000 Land $1,291,000 Building $1,806,000 | $3,097,000 Land $1,291,000 Building $1,806,000 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 530330095003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 4 (1995–2016) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Jan 2016, rainfall accumulation |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Mount Baker Park Historic District listed 2018 · 649 contributing resources · NRIS 100002975 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 168 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, Verizon, Lumen Technologies, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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