1420 S Henderson St, Seattle, WA 98108

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 AI estimate from public imagery; may be outdated.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 17% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 5,430 SF, King County Assessor
Lot size: 13,440 SF, King County Assessor
Year built: 1982, King County Assessor
Stories: 1, King County Assessor
Predominant use: Custom Auto Shop, King County Assessor
Assessed value: $1,070,700, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $197.18/SF, derived from assessor records
Lot coverage: 40%, derived from assessor records
Vintage: 1980s vintage
Zoning: MML U/65, King County
County use code: Service Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

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

1412 S Henderson St, Seattle · 0 mi · 2,520 SF · built 1951 · assessed $171.59/SF
1414 S Concord St, Seattle · 0.1 mi · 3,430 SF · built 2016 · assessed $250.61/SF
1414 S Director St, Seattle · 0.1 mi · 31,604 SF · built 1985 · assessed $197.18/SF
8902 14th Ave S, Seattle · 0.1 mi · 4,789 SF · built 1949 · assessed $199.67/SF
8814 14th Ave S, Seattle · 0.1 mi · 9,733 SF · built 1985 · assessed $197.18/SF
9001 14th Ave S, Seattle · 0.1 mi · 1,800 SF · built 1947 · assessed $167.94/SF

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Sale history and market context

MakeMe Estimate: $1,760,014 (estimated market value), with a likely range of $1,235,955 to $1,949,217 (half of recent verified sales in this segment landed inside that range). Based on 86 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 1999-10-19 for $210,000 (recorded arm's-length sale).

Current ownership dates to 2017 (about 9 years) per recorded transfers.

2017-03-16: transfer from Private party to JM Addition LLC (non-market transfer), rec. 20170703000511

1999-10-19: $210,000 from Private party to Private party, rec. 19991028000808

2 administrative transfers (no consideration), 1993 to 1999

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 $383,400 (2011) to $1,070,700 (2026), up 179% over 15 years, per county tax rolls. The 2026 roll splits $1,070,700 into $772,800 land and $297,900 improvements.

Zoning: MML U/65 (per King County)

Lot: 13,440 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Garage, Service Repair 5,430 SF (county building sections)

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