6200 Corson Ave S, Seattle, WA 98108

NNN Retail · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: service building. 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 AI estimate from public imagery; may be outdated.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 1,026 reachable nnn retail buildings in Seattle. Larger than 15% of nnn retail buildings in Seattle (median 5,208 SF), derived from assessor records.

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Building size
2,259 SF, King County Assessor
Lot size
17,814 SF, King County Assessor
Year built
1964, King County Assessor
Stories
1, King County Assessor
Predominant use
Mini Mart W/ Gas & Car Wash, King County Assessor
Assessed value
$1,359,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$601.64/SF, derived from assessor records
Lot coverage
13%, derived from assessor records
Vintage
1960s vintage
Zoning
UI U/65, King County
County use code
Conv Store with Gas
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.

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Sale history and market context

MakeMe Estimate: $2,120,880 (estimated market value), with a likely range of $1,554,378 to $2,480,409 (half of recent verified sales in this segment landed inside that range). Based on 79 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2009-02-20 for $1,442,700 (recorded arm's-length sale).

Current ownership dates to 2009 (about 17 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

$791K$1.58M$2.37M$3.16M201120142017202020232026County appraised valueEstimated value (modeled range)

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 $999,200 (2011) to $1,359,100 (2026), up 36% over 15 years, per county tax rolls. The 2026 roll splits $1,359,100 into $890,700 land and $468,400 improvements.

Taxes