King County property record for 3403 Cascadia Ave S, Seattle, WA 98144 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.75 ba · 3,030 sqft · built 1930 |
| Lot Size | 0.195 acres (8,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $200,000 (Feb 1982) |
| Tax Bill | $21,666 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 570000-3830 |
| Primary APN | 570000-3830 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,030 sqft Living Area |
| Gross Area | 4,140 sqft |
| 1st Floor Area | 1,390 sqft |
| 2nd Floor Area | 1,340 sqft |
| Basement Area | 1,050 sqft |
| Finished Basement | 300 sqft |
| Unfinished Basement | 750 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Exterior Material | Brick |
| Lot Area | 8,500 sqft (0.195 acres) |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Radiant |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 570000383002 |
|---|---|
| Street Address | 3403 CASCADIA AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98144-7213 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MOUNT BAKER PARK ADD 1 & N 20 FT OF 2 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 15 |
| Legal Subdivision | MOUNT BAKER PARK ADD |
| Legal Block | 59 |
| Legal Lot Number | 1-2 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 10102 |
Source: King County records · APN 570000-3830
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 | Individual Name on File |
|---|---|
| Mailing Address | 3403 CASCADIA AVE S, SEATTLE, WA 98144-7213 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 18, 1982 · Amount on Record |
| Deed Sale | Feb 18, 1982 · Amount on Record |
| Deed Document Number | 1982390 |
| Deed Book / Page | 16 / 3 |
| 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 | $21,666.00 (+16.65%) | ||
| 2025 | $2,086,000 (+8.82%) Land $1,096,000 Building $990,000 | $2,086,000 (+8.82%) Land $1,096,000 Building $990,000 | |
| 2024 | $18,574.00 (+5.31%) | $1,917,000 (-7.21%) Land $1,096,000 Building $821,000 | $1,917,000 (-7.21%) Land $1,096,000 Building $821,000 |
| 2022 | $17,637.00 | $2,066,000 Land $1,022,000 Building $1,044,000 | $2,066,000 Land $1,022,000 Building $1,044,000 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 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 |
| 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; 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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