18820 International Blvd, Seatac, WA 98188

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

Imagery suggests: industrial warehouse. 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 AI estimate from public imagery; may be outdated.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 46 reachable small-bay industrial buildings in Seatac. Larger than 11% of small-bay industrial buildings in Seatac (median 41,025 SF), derived from assessor records.

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Building size: 4,351 SF, King County Assessor
Lot size: 16,400 SF, King County Assessor
Year built: 1984, King County Assessor
Stories: 1, King County Assessor
Predominant use: Napa Autocare Center, King County Assessor
Assessed value: $1,151,500, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $264.65/SF, derived from assessor records
Lot coverage: 27%, derived from assessor records
Vintage: 1980s vintage
Zoning: CB-C, King County
County use code: Service Building
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.

20024 International Blvd, Seatac · 0.8 mi · 3,964 SF · built 1967 · assessed $370.66/SF
2415 S 200th St, Seatac · 0.9 mi · 12,360 SF · built 1979 · assessed $223.78/SF
2333 S 200th St, Seatac · 0.9 mi · 79,050 SF · built 1984 · assessed $269.40/SF
2407 S 200th St, Seatac · 0.9 mi · 22,216 SF · built 1986 · assessed $233.31/SF
18915 16th Ave S, Seatac · 0.9 mi · 43,850 SF · built 1980 · assessed $194.96/SF
19003 16th Ave S, Seatac · 0.9 mi · 27,328 SF · built 1981 · assessed $188.13/SF

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Sale history and market context

MakeMe Estimate: $1,609,035 (estimated market value), with a likely range of $1,243,661 to $1,625,125 (half of recent verified sales in this segment landed inside that range). Based on 81 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2004 (about 22 years) per recorded transfers.

2004-07-09: transfer from Private party to Huling Bros Properties LLC (non-market transfer), rec. 20040721001354

1992-07-01: $565,000 from Private party to Private party (non-market transfer), rec. 199207012639

2 administrative transfers (no consideration), 1992 to 1992

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 $739,000 (2011) to $1,151,500 (2026), up 56% over 15 years, per county tax rolls. The 2026 roll splits $1,151,500 into $934,800 land and $216,700 improvements.

Zoning: CB-C (per King County)

Lot: 16,400 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Garage, Service Repair 3,595 SF; Office Building 756 SF (county building sections)

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