18032 1st Ave S, Burien, WA 98148

NNN Retail · Burien · Seattle-Bellevue metro, WA

Imagery suggests: gas station. 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 AI estimate from public imagery; may be outdated.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 282 reachable nnn retail buildings in Burien. Larger than 2% of nnn retail buildings in Burien (median 4,200 SF), derived from assessor records.

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Building size: 1,069 SF, King County Assessor
Lot size: 17,500 SF, King County Assessor
Year built: 1998, King County Assessor
Stories: 1, King County Assessor
Predominant use: C-Store W/Gas, King County Assessor
Assessed value: $1,665,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $1,558/SF, derived from assessor records
Lot coverage: 6%, derived from assessor records
Vintage: 1990s vintage
Zoning: MU-2, King County
County use code: Conv Store with Gas
Construction (observed): metal, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery
Frontage (observed): mid block, AI estimate from public imagery

Nearby comparable buildings

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

18018 1st Ave S, Burien · 0 mi · 2,350 SF · built 1957 · assessed $230.17/SF
17956 1st Ave S, Burien · 0.1 mi · 1,647 SF · built 1998 · assessed $470.55/SF
17824 1st Ave S, Burien · 0.1 mi · 4,485 SF · built 2005 · assessed $328.32/SF
17694 1st Ave S, Burien · 0.2 mi · 20,053 SF · built 1987 · assessed $328.32/SF
17700 Ambaum Blvd S, Burien · 0.4 mi · 2,680 SF · built 1987 · assessed $299.03/SF
17730 Ambaum Blvd S, Burien · 0.4 mi · 12,070 SF · built 1987 · assessed $328.32/SF

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Sale history and market context

MakeMe Estimate: $2,333,360 (estimated market value), with a likely range of $1,710,102 to $2,728,908 (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.

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

2023-11-15: $3,450,000 from CK Designs LP to SDB 11 LLC (part of a 3-parcel sale; price is the whole deal), rec. 20231117000572

2021-12-22: $3,850,000 from Private party to CK Designs LP (part of a 2-parcel sale; price is the whole deal), rec. 20211229001412

2 administrative transfers (no consideration), 2020 to 2021

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 $771,300 (2011) to $1,665,100 (2026), up 116% over 15 years, per county tax rolls. The 2026 roll splits $1,665,100 into $341,200 land and $1,323,900 improvements.

Zoning: MU-2 (per King County)

Lot: 17,500 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Mini-Mart Convenience Store 1,069 SF (county building sections)

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

Permit history

2022-02-23: Electrical, declared value $500 (Complete), permit ELE-22-0414

2022-02-22: Sign, declared value $41,255 (Complete), permit SGN-22-0335

2020-03-23: Electrical, declared value $4,800 (Complete), permit ELE-20-0619

2019-01-11: Electrical, declared value $1,200 (Screened), permit ELE-19-0087

2018-05-11: Demolition (Screened), permit DMO-18-1217

2016-09-21: Other, declared value $950 (Screened), permit ELE-16-2177

2015-02-27: Other, declared value $2,000 (Screened), permit ELE-15-0384

2014-12-08: Other, declared value $1,500 (Screened), permit SGN-14-2654

2014-12-08: Other, declared value $500 (Screened), permit ELE-14-2655

2012-02-06: Other, declared value $1,739 (Screened), permit ELE-12-0205

Source: King County permit records (newest first).