King County property record for 421 N 42nd St, Seattle, WA 98103
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,770 sqft · built 1924 |
| Lot Size | 0.058 acres (2,520 sqft) |
| Owner | Individual Name on File |
| Last Sale | $125,500 (Jan 1996) |
| Tax Bill | $9,824 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193030-0770 |
| Primary APN | 193030-0770 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,770 sqft Living Area |
| Gross Area | 2,580 sqft |
| 1st Floor Area | 1,010 sqft |
| Upper Floors Area | 560 sqft |
| Basement Area | 830 sqft |
| Finished Basement | 200 sqft |
| Unfinished Basement | 630 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Lot Area | 2,520 sqft (0.058 acres) |
| Garage Type | Attached |
| Garage Area | 180 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 193030077005 |
|---|---|
| Street Address | 421 N 42ND ST |
| City | SEATTLE |
| State | WA |
| Zip | 98103-7158 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | DAYS B F 1ST ADD E 40 FT OF 1 & N 13 FT OF E 40 FT OF 2 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 18 |
| Legal Subdivision | DAYS B F 1ST ADD |
| Legal Block | 9 |
| Legal Lot Number | 1-2 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1005 |
| 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.
421 N 42nd St is owned and occupied by an individual who bought it in January 1996.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 N 42ND ST, SEATTLE, WA 98103-7158 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 5, 1996 · Amount on File |
| Deed Sale | Jan 5, 1996 · Amount on File |
| Deed Document Number | 1996314 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 421 N 42nd St was $9,824.
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 | $9,824.00 | ||
| 2025 | $942,000 (+10.43%) Land $438,000 Building $504,000 | $942,000 (+10.43%) Land $438,000 Building $504,000 | |
| 2024 | $8,308.00 | $853,000 Land $500,000 Building $353,000 | $853,000 Land $500,000 Building $353,000 |
| 2022 | $7,682.00 | $900,000 Land $441,000 Building $459,000 | $900,000 Land $441,000 Building $459,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 N 42nd St in Zone X, an area of minimal flood risk.
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.
The area around 421 N 42nd St has no burnable land within ember reach, so its wildfire risk is not rated.
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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