551 S Michigan St, Seattle, WA 98108

NNN Retail · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: gas station with convenience store. 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 AI estimate from public imagery; may be outdated.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 1,026 reachable nnn retail buildings in Seattle. Larger than 10% of nnn retail buildings in Seattle (median 5,208 SF), derived from assessor records.

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Building size: 1,846 SF, King County Assessor
Lot size: 21,895 SF, King County Assessor
Year built: 1977, King County Assessor
Stories: 1, King County Assessor
Predominant use: Chevron-Store W/ Gas & Carwash, King County Assessor
Assessed value: $1,731,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $937.76/SF, derived from assessor records
Lot coverage: 8%, derived from assessor records
Vintage: 1970s vintage
Zoning: MML U/85, 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.

6316 6th Ave S, Seattle · 0 mi · 6,840 SF · built 1986 · assessed $277/SF
601 S Michigan St, Seattle · 0.1 mi · 3,794 SF · built 2018 · assessed $781.92/SF
600 S Michigan St, Seattle · 0.1 mi · 1,914 SF · built 1968 · assessed $881.03/SF
6166 4th Ave S, Seattle · 0.1 mi · 5,204 SF · built 1968 · assessed $441.45/SF
6538 4th Ave S, Seattle · 0.2 mi · 5,060 SF · built 1987 · assessed $277/SF
6519 4th Ave S, Seattle · 0.2 mi · 3,916 SF · built 1938 · assessed $183.53/SF

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Sale history and market context

MakeMe Estimate: $2,608,753 (estimated market value), with a likely range of $1,911,936 to $3,050,985 (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: 2000-04-06 for $1,000,000 (recorded arm's-length sale).

Current ownership dates to 2023 (about 3 years) per recorded transfers.

2023-02-02: transfer from Akaal Investors LLC to 551 S Michigan LLC (non-market transfer), rec. 20230222000050

2000-04-06: $1,000,000 from Michigan Street Petroleum LLC to Akaal Investors LLC, rec. 20000411001692

1997-08-21: $855,000 from Private party to Private party (non-market transfer), rec. 199708221379

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 $1,261,000 (2011) to $1,731,100 (2026), up 37% over 15 years, per county tax rolls. The 2026 roll splits $1,731,100 into $1,313,700 land and $417,400 improvements.

Zoning: MML U/85 (per King County)

Lot: 21,895 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Car Wash - Drive Thru 1,000 SF; Mini-Mart Convenience Store 846 SF (county building sections)

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