King County property record for 425 N 40th St, Seattle, WA 98103
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,380 sqft · built 1997 |
| Lot Size | 0.094 acres (4,080 sqft) |
| Last Sale | $449,000 (Feb 2000) |
| Tax Bill | $16,139 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193030-1110 |
| Primary APN | 193030-1110 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 3,380 sqft Living Area |
| Gross Area | 3,980 sqft |
| 1st Floor Area | 1,080 sqft |
| 2nd Floor Area | 1,220 sqft |
| Basement Area | 1,080 sqft |
| Finished Basement | 1,080 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 4,080 sqft (0.094 acres) |
| View / Lot | Mountain |
| Garage Type | Attached |
| Garage Area | 600 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 350 sqft |
| Heating Fuel | Electric |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 193030111002 |
|---|---|
| Street Address | 425 N 40TH ST |
| City | SEATTLE |
| State | WA |
| Zip | 98103-7712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | DAYS B F 1ST ADD PLAT BLOCK: 11 PLAT LOT: 20 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | DAYS B F 1ST ADD |
| Legal Block | 11 |
| Legal Lot Number | 20 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 4902 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Chittenden Locks and Lake Washington Ship Canal listed 1978 · 14 contributing resources · NRIS 78002751 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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.
| Mailing Address | 425 N 40TH ST, SEATTLE, WA 98103-7712 |
|---|---|
| Occupancy | Owner Occupied |
| Last Sale | Feb 29, 2000 · Amount on Record |
|---|---|
| Deed Sale | Feb 29, 2000 · Amount on Record |
| Prior Sale | Jul 19, 1994 · Amount on Record |
| Deed Document Number | 20001004 |
| Last Transfer Date | Apr 11, 2003 |
| Transfer Doc | 0000001494 |
| Record Updated | Sep 20, 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 | $16,139.00 (+24.64%) | ||
| 2025 | $1,566,000 (+16.52%) Land $735,000 Building $831,000 | $1,566,000 (+16.52%) Land $735,000 Building $831,000 | |
| 2024 | $12,948.00 (+10.6%) | $1,344,000 (-2.54%) Land $838,000 Building $506,000 | $1,344,000 (-2.54%) Land $838,000 Building $506,000 |
| 2022 | $11,707.00 | $1,379,000 Land $738,000 Building $641,000 | $1,379,000 Land $738,000 Building $641,000 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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: 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 1,193 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber.
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