King County property record for 3801 E Prospect St, Seattle, WA 98112 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.75 ba · 6,510 sqft · built 1933 |
| Lot Size | 0.635 acres (27,675 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $83,672 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 531610-1085 |
| Primary APN | 531610-1085 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.75 Baths |
| Half Baths | 3 Half Baths |
| Stories | 2 Stories |
| Building Area | 6,510 sqft Living Area |
| Gross Area | 7,360 sqft |
| 1st Floor Area | 3,160 sqft |
| 2nd Floor Area | 2,150 sqft |
| Basement Area | 2,050 sqft |
| Finished Basement | 1,200 sqft |
| Unfinished Basement | 850 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1933 |
| Lot Area | 27,675 sqft (0.635 acres) |
| View / Lot | Water View |
| Garage Type | Detached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 1,000 sqft |
|---|---|
| Porch | Open Porch |
| Porch Area | 470 sqft |
| Shed | 1 Shed |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 531610108502 |
|---|---|
| Street Address | 3801 E PROSPECT ST |
| City | SEATTLE |
| State | WA |
| Zip | 98112-4443 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MCGILVRAS JJ 2ND ADD LOTS 1-2 & N 15 FT LOT 3 TGW POR VAC 38TH AVE E ADJ & TGW POR VAC ALLEY ADJ TGW W 25 FT LOTS 11 & 12 SD BLK 19 TGW POR VAC ALLEY ADJ SD LOTS 11-12 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 27 |
| Legal Subdivision | MC GILVRAS J J 2ND ADD |
| Legal Block | 19 |
| Legal Lot Number | 1-2-3 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 4 |
| Census Block | 4025 |
| Census Tract | 6300 |
Source: King County records · APN 531610-1085
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 | 3801 E PROSPECT ST, SEATTLE, WA 98112-4443 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 30, 1984 |
| Deed Sale | Mar 30, 1984 |
| Deed Document Number | 19844060896 |
| Deed Book / Page | 1 / 80 |
| 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 | $83,672.00 (+11%) | ||
| 2025 | $8,081,000 (+3.26%) Land $6,068,000 Building $2,013,000 | $8,081,000 (+3.26%) Land $6,068,000 Building $2,013,000 | |
| 2024 | $75,382.00 (+5.04%) | $7,826,000 (-7.16%) Land $6,068,000 Building $1,758,000 | $7,826,000 (-7.16%) Land $6,068,000 Building $1,758,000 |
| 2022 | $71,767.00 | $8,430,000 Land $5,656,000 Building $2,774,000 | $8,430,000 Land $5,656,000 Building $2,774,000 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 530330063004, 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 Policies | 2 in force |
| 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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 509 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| AT&T | Fixed Wireless | 100 / 20 |
May also be available at this address: Lumen Technologies, T-Mobile USA, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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