5961 Corson Ave S, Seattle, WA 98108

Small-Bay Industrial · Seattle · Seattle-Bellevue metro, WA

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 91% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 74,178 SF, King County Assessor
Lot size: 209,784 SF, King County Assessor
Year built: 1989, King County Assessor
Stories: 1, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Bldg. B, King County Assessor
Assessed value: $23,931,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $322.62/SF, derived from assessor records
Lot coverage: 35%, derived from assessor records
Vintage: 1980s vintage
Zoning: UI U/85, King County
County use code: Industrial Park
Construction (observed): steel glass, 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.

780 S Michigan St, Seattle · 0.1 mi · 40,120 SF · built 1961 · assessed $282.77/SF
801 S Fidalgo St, Seattle · 0.1 mi · 30,436 SF · built 1967 · assessed $271.26/SF
5959 Corson Ave S, Seattle · 0.1 mi · 59,953 SF · built 1958 · assessed $277.59/SF
5958 Corson Ave S, Seattle · 0.1 mi · 7,222 SF · built 1994 · assessed $247.12/SF
770 S Michigan St, Seattle · 0.1 mi · 108,594 SF · built 1963 · assessed $218.91/SF
934 S Harney St, Seattle · 0.1 mi · 7,908 SF · built 1971 · assessed $212.48/SF

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Sale history and market context

MakeMe Estimate: $26,242,558 (estimated market value), with a likely range of $22,629,673 to $29,277,132 (half of recent verified sales in this segment landed inside that range). Based on 96 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2015 (about 11 years) per recorded transfers.

2015-07-27: $28,575,000 from Georgetown Center Investment Group INC to Spire Georgetown Center LP (part of a 2-parcel sale; price is the whole deal), rec. 20150727001345

2006-04-04: $18,800,000 from Private party to Georgetown Center Investment Group INC (part of a 2-parcel sale; price is the whole deal), rec. 20060404001919

2005-04-05: $17,220,000 from Calwest Industrial Holdings LLC to Lit Industrial LP (part of a 2-parcel sale; price is the whole deal), rec. 20050407002227

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 $8,681,000 (2011) to $23,931,200 (2026), up 176% over 15 years, per county tax rolls. The 2026 roll splits $23,931,200 into $11,538,100 land and $12,393,100 improvements.

Zoning: UI U/85 (per King County)

Lot: 209,784 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Storage Warehouse 23,609 SF; Warehouse Showroom Store 19,578 SF; Retail Store 15,109 SF; Open Office 9,074 SF; Restaurant, Table Service 6,808 SF (county building sections)

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

Permit history

2025-02-27: Electrical, declared value $3,400 (Screened), permit 7072707-EL

2024-10-28: Electrical, declared value $500 (Screened), permit 7053510-EL

2024-04-09: Electrical, declared value $2,200 (Complete), permit 7019042-EL

2024-03-12: Remodel, declared value $50,000 (Complete), permit 7008904-CN

2020-08-31: Remodel, declared value $1,035,893 (Complete), permit 6737178-CN

2019-07-11: Other, declared value $1,000 (Complete), permit 6712131-CN

2017-12-21: Remodel, declared value $80,000 (Complete), permit 6629455

2016-09-21: Remodel, declared value $3,200 (Complete), permit 6557730

2016-04-06: Remodel, declared value $127,795 (Complete), permit 6515226

2016-01-29: Remodel, declared value $30,000 (Complete), permit 6493093

Source: King County permit records (newest first).