MakeMe Estimate: $5.45M (estimated market value), with a likely range of $4.81M to $6.29M (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.
moderate confidence: 7 comparable sales within 3 miles; nearest 0.5 mi. This property type carries wider measured error; treat the estimate as a starting point.
Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. The strongest 5 of 7 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.
Last sold: 2016-12-14 for $3,150,000 (recorded arm's-length sale).
Current ownership dates to 2016 (about 10 years) per recorded transfers.
2016-12-14: $3,150,000 from Private party to Sea-Tac Lighting Corporate Building LLC, rec. 20161216001802
2009-08-14: transfer from Private party to Private party (non-market transfer), rec. 20091029001244
Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.
Value over time
Dark line: county assessed value per King County tax rolls. Blue line: our estimate; dashed years are a modeled backcast built from recorded arm's-length sales in the building's segment, not estimates published at the time, and years without enough sales stay unmodeled. The shaded range is the model's measured error band; about half of verified sales in the segment land inside it. Diamonds: recorded arm's-length sales. Not an appraisal. How this estimate works.
Land, site, and value history
Assessed value moved from $2,026,900 (2011) to $4,410,800 (2026), up 118% over 15 years, per county tax rolls. The 2026 roll splits $4,410,800 into $1,419,000 land and $2,991,800 improvements.
Zoning: RCM (per King County)
Lot: 70,950 sq ft
Water: Water District (per King County)
Sewer: Public (per King County)
Access: Public
Street surface: Paved
Floor and use mix: Office Building 19,664 SF (county building sections)