3601 6th Ave W, Seattle, WA 98119

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

Imagery suggests: industrial warehouse. AI estimate from public imagery. In recent public imagery (2026-06), the building shows signs of deferred maintenance. AI estimate from public imagery; may be outdated.

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 21% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 6,160 SF, King County Assessor
Lot size: 6,992 SF, King County Assessor
Year built: 1930, King County Assessor
Stories: 1, King County Assessor
Predominant use: Warehouse, King County Assessor
Assessed value: $927,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $150.52/SF, derived from assessor records
Lot coverage: 88%, derived from assessor records
Vintage: pre-war vintage
Zoning: MML U/45, King County
County use code: Warehouse
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): none visible, AI estimate from public imagery
Frontage (observed): corner, AI estimate from public imagery

Nearby comparable buildings

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

637 W Ewing St, Seattle · 0.1 mi · 3,105 SF · built 1992 · assessed $284.44/SF
360 W Nickerson St, Seattle · 0.1 mi · 32,220 SF · built 1910 · assessed $180.40/SF
3920 6th Ave NW, Seattle · 0.2 mi · 42,176 SF · built 1981 · assessed $269.13/SF
124 NW Canal St, Seattle · 0.2 mi · 4,170 SF · built 1999 · assessed $329.23/SF
3614 2nd Ave NW, Seattle · 0.3 mi · 7,808 SF · built 1980 · assessed $228.74/SF
4000 6th Ave NW, Seattle · 0.3 mi · 3,925 SF · built 1926 · assessed $416.48/SF

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Sale history and market context

MakeMe Estimate: $1,587,524 (estimated market value), with a likely range of $1,368,965 to $1,771,098 (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 2017 (about 9 years) per recorded transfers.

2017-06-01: $2,830,800 from Bruce and Lynne Gascoigne LLC to Ilahie Holdings Ewing Street LLC (part of a 3-parcel sale; price is the whole deal), rec. 20170601001396

2013-12-11: transfer from Gascoigne Properties LLC to Bruce & Lynne Gascoigne LLC+Gascoigne Holdings L… (part of a 2-parcel sale; price is the whole deal), rec. 20131224000098

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 $420,500 (2011) to $927,200 (2026), up 120% over 15 years, per county tax rolls. The 2026 roll splits $927,200 into $769,100 land and $158,100 improvements.

Zoning: MML U/45 (per King County)

Lot: 6,992 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Storage Warehouse 6,160 SF (county building sections)

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