3601 6th Ave S, Seattle, WA 98134

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

Imagery suggests: light industrial. AI estimate from public imagery. In recent public imagery (2026-06), the building appears serviceable with visible wear. AI estimate from public imagery; may be outdated.

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 80% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 37,212 SF, King County Assessor
Lot size: 62,100 SF, King County Assessor
Year built: 1962, King County Assessor
Stories: 2, King County Assessor
Predominant use: Warehouse, King County Assessor
Assessed value: $11,010,400, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $295.88/SF, derived from assessor records
Lot coverage: 60%, derived from assessor records
Vintage: 1960s vintage
Zoning: MML U/85, King County
County use code: Warehouse
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): none visible, AI estimate from public imagery

Nearby comparable buildings

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

3614 6th Ave S, Seattle · 0.1 mi · 11,704 SF · built 1950 · assessed $224.14/SF
3623 6th Ave S, Seattle · 0.1 mi · 73,335 SF · built 1961 · assessed $145.57/SF
3700 6th Ave S, Seattle · 0.1 mi · 13,128 SF · built 1960 · assessed $425.09/SF
600 S Spokane St, Seattle · 0.1 mi · 37,578 SF · built 1955 · assessed $176.95/SF
3619 7th Ave S, Seattle · 0.1 mi · 9,160 SF · built 1978 · assessed $218.84/SF
3454 4th Ave S, Seattle · 0.1 mi · 34,562 SF · built 1974 · assessed $236.31/SF

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Sale history and market context

MakeMe Estimate: $14,118,613 (estimated market value), with a likely range of $10,912,611 to $14,259,799 (half of recent verified sales in this segment landed inside that range). Based on 81 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2016 (about 10 years) per recorded transfers.

2 administrative transfers (no consideration), 2016 to 2016

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 $3,687,800 (2011) to $11,010,400 (2026), up 199% over 15 years, per county tax rolls. The 2026 roll splits $11,010,400 into $4,657,500 land and $6,352,900 improvements.

Zoning: MML U/85 (per King County)

Lot: 62,100 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Storage Warehouse 19,255 SF; Office Building 6,789 SF (county building sections)

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

Permit history

2020-01-30: Demolition, declared value $95,000 (Complete), permit 6755504-DM

2018-12-10: Remodel, declared value $4,700,000 (Complete), permit 6594762-CN

1998-06-26: Remodel, declared value $110,000 (Complete), permit 699988

1998-06-25: Remodel, declared value $22,000 (Complete), permit 699960

Source: King County permit records (newest first).