18040 1st Ave S, Burien, WA 98148
Small-Bay Industrial · Burien · Seattle-Bellevue metro, WA
One of 119 reachable small-bay industrial buildings in Burien. Larger than 40% of small-bay industrial buildings in Burien (median 3,715 SF), derived from assessor records.
- Usable building area
- 3,138 SF, King County Assessor
- Lot size
- 21,344 SF, King County Assessor
- Year built
- 1960, King County Assessor
- Stories
- 1, King County Assessor
- Predominant use
- Service Garage, King County Assessor
- Assessed value
- $858,600, per the King County Assessor (not a market appraisal)
- Assessed value per usable SF
- $273.61/SF, derived from assessor records
- Usable area / lot
- 0.15, derived from assessor records
- Vintage
- 1960s vintage
- Zoning
- MU-2, King County
- County use code
- Service Building
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 18017 Des Moines Memorial Dr S, Burien · 0.3 mi · 2,395 SF · built 1948 · assessed $246.56/SF
- 831 S 176th St, Burien · 0.6 mi · 4,598 SF · built 2010 · assessed $344.48/SF
- 119 S 160th St, Burien · 1.3 mi · 3,552 SF · built 1955 · assessed $240.65/SF
- 15855 1st Ave S, Burien · 1.4 mi · 1,127 SF · built 1948 · assessed $212.24/SF
- 15830 Ambaum Blvd SW, Burien · 1.4 mi · 6,474 SF · built 1952 · assessed $185.77/SF
- 15820 Ambaum Blvd SW, Burien · 1.4 mi · 5,330 SF · built 2019 · assessed $309.19/SF
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Sale history and market context
MakeMe Estimate: $998K (estimated market value), with a likely range of $723K to $1.24M (half of recent verified sales in this segment landed inside that range). Based on 8 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.
lower confidence: 1 comparable sale within 3 miles; nearest 1.4 mi. This property type carries wider measured error; treat the estimate as a starting point.
Comparable sales used as evidence
- 15855 1st Ave S, Burien: $550,000 (2025-10), 1,127 SF, $488.02/SF, built 1948, 1.4 mi away
- 12025 Des Moines Memorial Dr S, Burien: $400,000 (2024-11), 1,032 SF, $387.60/SF, built 1960, 3.9 mi away
- 1809 S 120th St, Burien: $175,000 (2025-08), 828 SF, $211.35/SF, built 1952, 4 mi away
- 1414 S Concord St, Seattle: $1,230,000 (2024-06), 3,328 SF, $369.59/SF, built 2016, 5.8 mi away (different city)
- 203 Central Ave N, Kent: $850,000 (2025-11), 5,949 SF, $142.88/SF, built 1946, 6.2 mi away (different city)
Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. Buyer and seller names are withheld. Get this data via API.
Market context: Industrial in Burien
median verified sale $277.78/SF over the trailing 24 months; 5 sales in the last 12 months and 7 in 24 (newest verified sale 2025-10).
Computed from 83 verified arm's-length sales in King County public records (7 in the trailing 24 months). Free public records. Not an appraisal.
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
- 2021: transferred to Roush Family Holdings INC, no consideration (2 recorded transfers, 2020 to 2021)
Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.
Land, site, and value history
Assessed value moved from $313,800 (2011) to $858,600 (2026), up 174% over 15 years, per county tax rolls. The 2026 roll splits $858,600 into $416,200 land and $442,400 improvements.
- Zoning: MU-2 (per King County)
- Lot: 21,344 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 3,138 SF (county building sections)
- County districts report (schools, fire, sewer, council; on kingcounty.gov)