1443 S 99th St, Seattle, WA 98108

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: single-story commercial. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 957 reachable office buildings in Seattle. Larger than 11% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 3,160 SF, King County Assessor
Lot size: 14,200 SF, King County Assessor
Year built: 1969, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $638,900, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $202.18/SF, derived from assessor records
Lot coverage: 22%, derived from assessor records
Vintage: 1960s vintage
Zoning: R-24, King County
County use code: Office Building
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery
Frontage (observed): mid block, AI estimate from public imagery

Nearby comparable buildings

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

910 S 96th St, Seattle · 0.4 mi · 3,444 SF · built 1993 · assessed $2,219/SF
9125 15th Pl S, Seattle · 0.4 mi · 45,418 SF · built 1988 · assessed $278.87/SF
8921 14th Ave S, Seattle · 0.6 mi · 13,200 SF · built 2000 · assessed $253.08/SF
8801 14th Ave S, Seattle · 0.7 mi · 3,592 SF · built 1923 · assessed $168.54/SF
8720 14th Ave S, Seattle · 0.7 mi · 7,212 SF · built 1951 · assessed $253.08/SF
8701 14th Ave S, Seattle · 0.7 mi · 1,800 SF · built 1940 · assessed $253.06/SF

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Sale history and market context

MakeMe Estimate: $900,994 (estimated market value), with a likely range of $877,391 to $1,190,461 (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: 2005-10-04 for $329,000 (recorded arm's-length sale).

Current ownership dates to 2005 (about 21 years) per recorded transfers.

2005-10-04: $329,000 from Private party to Private party, rec. 20051007001908

1989-12-22: transfer from Private party to Private party (non-market transfer), rec. 199001091532

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 $341,300 (2011) to $638,900 (2026), up 87% over 15 years, per county tax rolls. The 2026 roll splits $638,900 into $241,400 land and $397,500 improvements.

Zoning: R-24 (per King County)

Lot: 14,200 sq ft

Nuisance flags: Airport noise

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 3,160 SF (county building sections)

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