4226 6th Ave S, Seattle, WA 98108

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

Imagery suggests: industrial flex, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 51% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 15,000 SF, King County Assessor
Lot size: 19,200 SF, King County Assessor
Year built: 1965, King County Assessor
Stories: 1, King County Assessor
Predominant use: Warehouse, King County Assessor
Assessed value: $3,239,600, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $215.97/SF, derived from assessor records
Lot coverage: 78%, derived from assessor records
Vintage: 1960s vintage
Zoning: MML U/85, King County
County use code: Warehouse
Construction (observed): metal, 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.

625 S Industrial Way, Seattle · 0 mi · 12,000 SF · built 1970 · assessed $204.28/SF
4202 6th Ave S, Seattle · 0 mi · 18,150 SF · built 1970 · assessed $273.28/SF
629 S Industrial Way, Seattle · 0 mi · 11,688 SF · built 1971 · assessed $256.37/SF
601 S Nevada St, Seattle · 0.1 mi · 25,577 SF · built 1961 · assessed $196.70/SF
619 S Nevada St, Seattle · 0.1 mi · 20,700 SF · built 1970 · assessed $242.88/SF
651 S Industrial Way, Seattle · 0.1 mi · 35,046 SF · built 1974 · assessed $215.74/SF

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Sale history and market context

MakeMe Estimate: $4,539,139 (estimated market value), with a likely range of $3,914,224 to $5,064,026 (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.

Last sold: 1994-09-20 for $765,000 (recorded arm's-length sale).

Current ownership dates to 2005 (about 21 years) per recorded transfers.

2005-05-24: transfer from Private party to 4216 Building LLC (non-market transfer), rec. 20050628001994

1994-09-20: $765,000 from Levinson and Mayo Investments to Private party, rec. 199409230434

3 administrative transfers (no consideration), 1993 to 1994

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 $1,613,200 (2011) to $3,239,600 (2026), up 101% over 15 years, per county tax rolls. The 2026 roll splits $3,239,600 into $1,152,000 land and $2,087,600 improvements.

Zoning: MML U/85 (per King County)

Lot: 19,200 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Storage Warehouse 12,930 SF; Office Building 2,070 SF (county building sections)

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