5820 Corson Ave S, Seattle, WA 98108

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

Imagery suggests: mid-rise mixed-use, 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 AI estimate from public imagery; may be outdated.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 20% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size
6,014 SF, King County Assessor
Lot size
11,136 SF, King County Assessor
Year built
1992, King County Assessor
Stories
1, King County Assessor
Predominant use
Whse/Office, King County Assessor
Assessed value
$1,617,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$268.87/SF, derived from assessor records
Lot coverage
54%, derived from assessor records
Vintage
1990s vintage
Zoning
NC3-55 (M), King County
County use code
Warehouse
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.

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Sale history and market context

MakeMe Estimate: $2,348,826 (estimated market value), with a likely range of $2,025,457 to $2,620,434 (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: 2012-09-28 for $900,000 (recorded arm's-length sale).

Current ownership dates to 2012 (about 14 years) per recorded transfers.

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$790K$1.58M$2.37M$3.16M201120142017202020232026$900KCounty appraised valueEstimated value (modeled range)Recorded sale

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 $825,000 (2011) to $1,617,000 (2026), up 96% over 15 years, per county tax rolls. The 2026 roll splits $1,617,000 into $668,100 land and $948,900 improvements.

Taxes