King County property record for 936 N 143rd St, Seattle, WA 98133
| Property Type | Commercial Office |
|---|---|
| Details | 2,560 sqft · built 1969 |
| Lot Size | 0.157 acres (6,850 sqft) |
| Owner | Company Name on File |
| Last Sale | $790,000 (Sep 2021) |
| Tax Bill | $8,679 (2026) |
| Deeds & Mortgages | Sep 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 192604-9366 |
| Primary APN | 192604-9366 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,560 sqft Gross Area |
| Office | 2,560 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 6,850 sqft (0.157 acres) |
| Garage Type | Open |
| Heating System | Heat Pump |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 192604936604 |
|---|---|
| Street Address | 936 N 143RD ST |
| City | SEATTLE |
| State | WA |
| Zip | 98133 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | C1-75 (M) |
| Legal Description | BAAP 30 FT N & 215 FT W OF SE COR OF NE 1/4 OF NE 1/4 OF NW 1/4 & POB TH N 100 FT TH W 68.5 FT TH S 100 FT TH E 68.5 FT TO POB |
| Legal Range | 04 |
| Legal Township | 26 |
| Legal Section | 19 |
| Legal Block | 366 |
| Legal Lot Number | 192604 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 404 |
936 N 143rd St, a commercial property, is owned by a company that bought it in September 2021.
Source: King County records, as of July 7, 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 | Company Name on File |
|---|---|
| Mailing Address | 3214 W MCGRAW ST, SEATTLE, WA 98199-3239 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 17, 2021 · Amount on File |
| Deed Sale | Sep 17, 2021 · Amount on File |
| Prior Sale | Mar 10, 1994 · Amount on File |
| Deed Document Number | 20211885 |
| Prior Transfer Date | Aug 15, 2001 |
| Prior Transfer Doc | 0000000972 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Sep 17, 2021 |
| Property Address | 936 N 143RD ST, SEATTLE, WA 98133-6911 |
| Document Number | 0000001885 |
| Instrument Date | Sep 16, 2021 |
| Instrument | 20210917001885 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $13,167.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3214 W MCGRAW ST, SEATTLE, WA 98199-3239 |
| Document Number | 0000001886 |
|---|---|
| Date | Sep 17, 2021 |
| Instrument | 20210917001886 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 936 N 143rd St was $8,679, up 7.7% 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 | $8,679.00 (+7.71%) | ||
| 2025 | $8,058.00 | $713,400 (-) Land $548,000 Building $165,400 | $713,400 (-) Land $548,000 Building $165,400 |
| 2024 | $8,058.00 | $713,400 Land $513,700 Building $199,700 | $713,400 Land $513,700 Building $199,700 |
| 2022 | $11,785.00 | $768,000 Land $479,500 Building $288,500 | $768,000 Land $479,500 Building $288,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 936 N 143rd St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 936 N 143rd 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 704 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 | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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