King County property record for 1620 E Prospect St, Seattle, WA 98112 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4 ba · 6,130 sqft · built 1908 |
| Lot Size | 0.209 acres (9,120 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $3,400,000 (Sep 2015) |
| Tax Bill | $39,799 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 133780-0505 |
| Primary APN | 133780-0505 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 3 Half Baths |
| Stories | 2 Stories |
| Building Area | 6,130 sqft Living Area |
| Gross Area | 6,590 sqft |
| 1st Floor Area | 2,070 sqft |
| 2nd Floor Area | 1,960 sqft |
| Upper Floors Area | 600 sqft |
| Basement Area | 1,960 sqft |
| Finished Basement | 1,500 sqft |
| Unfinished Basement | 460 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1908 |
| Lot Area | 9,120 sqft (0.209 acres) |
| Garage Type | Detached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 750 sqft |
| Deck Area | 140 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 133780050505 |
|---|---|
| Street Address | 1620 E PROSPECT ST |
| City | SEATTLE |
| State | WA |
| Zip | 98112-3305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CAPITOL HILL ADD DIV # 4 S 26 FT OF 15 & ALL 16 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 28 |
| Legal Subdivision | CAPITOL HILL ADD DIV NO. 04 |
| Legal Block | 27 |
| Legal Lot Number | 15-16 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 6400 |
Source: King County records · APN 133780-0505
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 | 1620 E PROSPECT ST, SEATTLE, WA 98112-3305 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 25, 2015 · Amount on Record |
| Deed Sale | Sep 25, 2015 · Amount on Record |
| Prior Sale | Mar 09, 2004 · Amount on Record |
| Deed Document Number | 20151776 |
| Prior Transfer Date | Apr 01, 2009 |
| Prior Transfer Doc | 0000001351 |
| 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 | $39,799.00 (+10.73%) | ||
| 2025 | $3,916,000 (+2.89%) Land $1,386,000 Building $2,530,000 | $3,916,000 (+2.89%) Land $1,386,000 Building $2,530,000 | |
| 2024 | $35,941.00 (+10.83%) | $3,806,000 (-2.11%) Land $1,386,000 Building $2,420,000 | $3,806,000 (-2.11%) Land $1,386,000 Building $2,420,000 |
| 2023 | $3,888,000 (-) Land $1,392,000 Building $2,496,000 | $3,888,000 (-) Land $1,392,000 Building $2,496,000 | |
| 2022 | $32,429.00 | $3,888,000 Land $1,392,000 Building $2,496,000 | $3,888,000 Land $1,392,000 Building $2,496,000 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 530330064002, 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 | 1 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 851 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Lumen Technologies | Fiber | 2,000 / 1,000 |
| Verizon | Fixed Wireless | 1,000 / 75 |
| AT&T | Fixed Wireless | 100 / 20 |
May also be available at this address: T-Mobile USA, Radiate Holdings, Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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