936 N 143rd St, Seattle, WA 98133

Office · Seattle · Seattle-Bellevue metro, WA

One of 957 reachable office buildings in Seattle. Larger than 7% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 2,560 SF, King County Assessor
Lot size: 6,850 SF, King County Assessor
Year built: 1969, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office, King County Assessor
Assessed value: $713,400, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $278.67/SF, derived from assessor records
Lot coverage: 37%, derived from assessor records
Vintage: 1960s vintage
Zoning: C1-75 (M), King County
County use code: Office Building
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

929 N 145th St, Seattle · 0.1 mi · 28,000 SF · built 1974
911 N 145th St, Seattle · 0.1 mi · 42,793 SF · built 2001 · assessed $155.88/SF
1155 N 130th St, Seattle · 0.7 mi · 25,557 SF · built 1970
12700 Aurora Ave N, Seattle · 0.8 mi · 7,074 SF · built 1985 · assessed $170.94/SF
13346 1st Ave NE, Seattle · 0.9 mi · 2,223 SF · built 1947 · assessed $244.26/SF
13344 1st Ave NE, Seattle · 0.9 mi · 11,656 SF · built 1983 · assessed $248.48/SF

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Sale history and market context

MakeMe Estimate: $913,006 (estimated market value), with a likely range of $889,089 to $1,206,332 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2021-09-16 for $790,000 (recorded arm's-length sale).

Current ownership dates to 2021 (about 5 years) per recorded transfers.

2021-09-16: $790,000 from Private party to Team Torres LLC, rec. 20210917001885

2021-03-30: $11,250 from Private party to Desc 143 LLLP, rec.

2001-08-15: transfer from Private party to Private party (non-market transfer), rec. 20010821000972

1994-02-28: $217,000 from WPC INC to Private party (non-market transfer), rec. 199403101861

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $395,400 (2010) to $713,400 (2026), up 80% over 16 years, per county tax rolls. The 2026 roll splits $713,400 into $548,000 land and $165,400 improvements.

Zoning: C1-75 (M) (per King County)

Lot: 6,850 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Open Office 2,560 SF (county building sections)

County districts report (schools, fire, sewer, council; on kingcounty.gov)