King County property record for 510 N 138th St, Seattle, WA 98133
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,650 sqft · built 1949 |
| Lot Size | 0.166 acres (7,220 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $779,000 (Sep 2026) |
| Tax Bill | $8,716 (2026) |
| Deeds & Mortgages | Sep 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 016400-0190 |
| Primary APN | 016400-0190 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,650 sqft Living Area |
| 1st Floor Area | 1,090 sqft |
| 2nd Floor Area | 560 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 7,220 sqft (0.166 acres) |
| Deck Area | 580 sqft |
| Heating System | Radiant |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 016400019002 |
|---|---|
| Street Address | 510 N 138TH ST |
| City | SEATTLE |
| State | WA |
| Zip | 98133-7421 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR2 |
| Legal Description | ALLENDALE ADD LOT A OF SEA SHORT PLAT #81211- 0233 REC #8209220422 SD SP DAF - S 150 FT OF LOTS 11 & 12 BLK 3 ALLENDALE ADD LESS W 70 FT LOT 12 & LESS E 37.5 FT LOT 11 |
| Legal Range | 04 |
| Legal Township | 26 |
| Legal Section | 19 |
| Legal Subdivision | ALLENDALE ADD |
| Legal Block | 3 |
| Legal Lot Number | A |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 404 |
510 N 138th St is owned and occupied by two individuals who bought it in September 2026.
Source: King County records, as of October 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 510 N 138TH ST, SEATTLE, WA 98133-7421 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 24, 2026 · Amount on File |
| Deed Sale | Sep 24, 2026 · Amount on File |
| Prior Sale | Oct 26, 2016 · Amount on File |
| Deed Document Number | 2026238 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Sep 24, 2026 |
| Property Address | 510 N 138TH ST, SEATTLE, WA 98133-7421 |
| Document Number | 0000000238 |
| Instrument Date | Sep 18, 2026 |
| Instrument | 20260924238 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2026 |
| Title Company | CHICAGO TITLE W, CHICAGO TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 510 N 138TH ST, SEATTLE, WA 98133-7421 |
| Document Number | 0000000239, |
|---|---|
| Date | Sep 24, 2026 |
| Instrument | 20260924239 |
| Name | ORIGINPOINT LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2026 property tax bill for 510 N 138th St was $8,716, up 10.2% from the year before.
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 | $8,716.00 (+10.22%) | ||
| 2025 | $7,908.00 | $779,000 (+2.91%) Land $446,000 Building $333,000 | $779,000 (+2.91%) Land $446,000 Building $333,000 |
| 2024 | $7,908.00 | $757,000 Land $434,000 Building $323,000 | $757,000 Land $434,000 Building $323,000 |
| 2022 | $7,585.00 | $828,000 Land $406,000 Building $422,000 | $828,000 Land $406,000 Building $422,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 510 N 138th 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 510 N 138th 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 546 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 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures