3909 California Ave SW, Seattle, WA 98116

Office · Seattle · Seattle-Bellevue metro, WA

One of 957 reachable office buildings in Seattle. Larger than 21% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 4,958 SF, King County Assessor
Lot size: 7,956 SF, King County Assessor
Year built: 1926, King County Assessor
Stories: 3, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Law Offices, King County Assessor
Assessed value: $2,188,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $441.31/SF, derived from assessor records
Lot coverage: 62%, derived from assessor records
Vintage: pre-war vintage
Zoning: LR3 RC (M), 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.

3400 California Ave SW, Seattle · 0.3 mi · 40,304 SF · built 1984 · assessed $217.39/SF
4141 California Ave SW, Seattle · 0.3 mi · 2,610 SF · built 1941 · assessed $349.50/SF
4150 California Ave SW, Seattle · 0.3 mi · 6,060 SF · built 1977 · assessed $326.57/SF
3272 California Ave SW, Seattle · 0.3 mi · 2,900 SF · built 1916 · assessed $347.76/SF
4154 California Ave SW, Seattle · 0.3 mi · 1,825 SF · built 1962 · assessed $438.96/SF
4400 California Ave SW, Seattle · 0.3 mi · 9,031 SF · built 1910 · assessed $317.27/SF

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Sale history and market context

MakeMe Estimate: $2,223,108 (estimated market value), with a likely range of $2,164,871 to $2,937,338 (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: 2020-02-25 for $2,425,000 (recorded arm's-length sale).

Current ownership dates to 2020 (about 6 years) per recorded transfers.

2020-02-25: $2,425,000 from Private party to White House Law Building LLC, rec. 20200228001560

2 administrative transfers (no consideration), 2007 to 2020

2001-09-21: $500,000 from Private party to Private party, rec. 20010928002794

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 $955,700 (2011) to $2,188,000 (2026), up 129% over 15 years, per county tax rolls. The 2026 roll splits $2,188,000 into $1,193,400 land and $994,600 improvements.

Zoning: LR3 RC (M) (per King County)

Lot: 7,956 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 4,100 SF; Garage, Storage 582 SF; Basement, Unfinished 276 SF (county building sections)

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

3909 California Ave SW, Seattle, WA 98116

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Nearby comparable buildings

Sale history and market context

Value over time

Land, site, and value history

Taxes

Permit history