12609 Ambaum Blvd SW, Burien, WA 98146

NNN Retail · Burien · Seattle-Bellevue metro, WA

Imagery suggests: freestanding retail. 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 AI estimate from public imagery; may be outdated.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 282 reachable nnn retail buildings in Burien. Larger than 18% of nnn retail buildings in Burien (median 4,200 SF), derived from assessor records.

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Building size: 2,160 SF, King County Assessor
Lot size: 16,940 SF, King County Assessor
Year built: 1974, King County Assessor
Stories: 1, King County Assessor
Predominant use: C-Store W/Gas, King County Assessor
Assessed value: $1,150,700, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $532.73/SF, derived from assessor records
Lot coverage: 13%, derived from assessor records
Vintage: 1970s vintage
Zoning: MU-2, 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.

12653 Ambaum Blvd SW, Burien · 0.1 mi · 2,800 SF · built 1998 · assessed $702.93/SF
1127 SW 128th St, Burien · 0.1 mi · 1,982 SF · built 1970
12803 Ambaum Blvd SW, Burien · 0.1 mi · 3,970 SF · built 1928 · assessed $350/SF
12825 Ambaum Blvd SW, Burien · 0.2 mi · 1,045 SF · built 1970 · assessed $680/SF
12818 Ambaum Blvd SW, Burien · 0.2 mi · 47,576 SF · built 1965 · assessed $233.13/SF
13409 Ambaum Blvd SW, Burien · 0.5 mi · 1,386 SF · built 1961 · assessed $643.15/SF

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Sale history and market context

MakeMe Estimate: $1,866,530 (estimated market value), with a likely range of $1,367,966 to $2,182,942 (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: 2021-02-25 for $1,625,000 (recorded arm's-length sale).

Current ownership dates to 2021 (about 5 years) per recorded transfers.

2021-02-25: $1,625,000 from GP Fuel & Grovery LLC to S&A Global Holdings LLC, rec. 20210301003926

2018-02-06: $1,200,000 from Private party to GP Fuel & Grocery LLC, rec. 20180206000943

2013-05-10: transfer from Private party to Private party (non-market transfer), rec. 20130510001376

1995-12-22: $300,000 from Cho and Lee Investment INC to Private party, rec. 199601191289

1994-01-20: $200,000 from U S Trust CO of California to Cho & Lee Investments INC (non-market transfer), rec. 199401272208

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 $626,300 (2011) to $1,150,700 (2026), up 84% over 15 years, per county tax rolls. The 2026 roll splits $1,150,700 into $457,300 land and $693,400 improvements.

Zoning: MU-2 (per King County)

Lot: 16,940 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Convenience Market 2,160 SF (county building sections)

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

Permit history

2024-07-30: Sign, declared value $5,000 (Revisit), permit SGN24-0864

2024-05-09: Sign, declared value $5,000 (Revisit), permit SGN24-0864

2024-04-01: Other, declared value $1,500 (Screened), permit ELE24-1000

2021-03-26: Electrical, declared value $700 (Screened), permit ELE-21-0649

2019-06-26: Other, declared value $600 (Screened), permit FPS-19-1448

2019-06-06: Electrical, declared value $500 (Screened), permit ELE-19-1394

2019-05-15: Plumbing, declared value $7,880 (Screened), permit PLM-19-1146

2014-10-14: Other, declared value $26,000 (Screened), permit ELE-14-2262

1998-03-04: Remodel, declared value $200,000 (Complete), permit BP97348C

Source: King County permit records (newest first).