401 S Brandon St, Seattle, WA 98108

Office · Seattle · Seattle-Bellevue metro, WA

One of 957 reachable office buildings in Seattle. Larger than 38% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 10,360 SF, King County Assessor
Lot size: 20,000 SF, King County Assessor
Year built: 1979, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office, King County Assessor
Assessed value: $3,002,900, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $289.86/SF, derived from assessor records
Lot coverage: 52%, derived from assessor records
Vintage: 1970s vintage
Zoning: C1-75 (M), King County
County use code: Office Building
Construction (observed): masonry, 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.

5307 4th Ave S, Seattle · 0 mi · 915 SF · built 1987 · assessed $266.99/SF
502 S Lucile St, Seattle · 0.1 mi · 12,960 SF · built 1976 · assessed $478.23/SF
5501 4th Ave S, Seattle · 0.1 mi · 10,350 SF · built 1975 · assessed $154.03/SF
305 S Lucile St, Seattle · 0.1 mi · 14,168 SF · built 2015 · assessed $276.31/SF
612 S Lucile St, Seattle · 0.1 mi · 3,780 SF · built 2009 · assessed $224.68/SF
5512 6th Ave S, Seattle · 0.1 mi · 3,096 SF · built 1956 · assessed $238.63/SF

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Sale history and market context

MakeMe Estimate: $3,312,493 (estimated market value), with a likely range of $3,225,718 to $4,376,716 (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.

Current ownership dates to 1998 (about 28 years) per recorded transfers.

2019-12-27: transfer from Private party to Mjwking LLC (part of a 2-parcel sale; price is the whole deal), rec. 20200106000194

1998-03-25: $1,900,000 from Pacific Northwest Group to Private party (part of a 2-parcel sale; price is the whole deal), rec. 199804010922

1984-11-29: $5,950,000 from Beneroya Company Jack A to Pacific Northwest Group A (part of a 30-parcel sale; price is the whole deal), rec. 198411300785

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 $1,836,200 (2011) to $3,002,900 (2026), up 64% over 15 years, per county tax rolls. The 2026 roll splits $3,002,900 into $2,800,000 land and $202,900 improvements.

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

Lot: 20,000 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Office Building 10,360 SF (county building sections)

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