One of 100 reachable commercial buildings in Tukwila. Larger than 93% of commercial buildings in Tukwila (median 17,700 SF), derived from assessor records.
Usable building area
132,181 SF, King County Assessor
Lot size
807,450 SF, King County Assessor
Year built
1970, King County Assessor
Stories
4, King County Assessor
Buildings on parcel
7, King County Assessor
Predominant use
Hospital, King County Assessor
Assessed value
$18,718,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$141.61/SF, derived from assessor records
Usable area / lot
0.16, derived from assessor records
Vintage
1970s vintage
Zoning
MDR, King County
County use code
Hospital
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
MakeMe Estimate: $21.6M (estimated market value), with a likely range of $17.9M to $26M (half of recent verified sales in this segment landed inside that range). Based on 6 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 2.8 mi. This property type carries wider measured error; treat the estimate as a starting point. Recent sale check: this building sold for $29,950,000 in 2023; the estimate is about 28% apart. Treat the recorded trade as strong evidence alongside the model.
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: Commercial in Tukwila
median verified sale $304.16/SF over the trailing 24 months; 3 sales in the last 12 months and 6 in 24 (newest verified sale 2024-11).
Computed from 76 verified arm's-length sales in King County public records (6 in the trailing 24 months). Free public records. Not an appraisal.
Last sold: 2023-10-04 for $29,950,000 (recorded arm's-length sale).
Current ownership dates to 2023 (about 3 years) per recorded transfers.
2023-10-04: $29,950,000 from Cascade Behavioral Hospital LLC to Washington State of/Department of Social Health SE…, rec. 20231010000016
2013-11-27: $9,030,600 from Highline Medical Center to Cascade Behavioral Hospital LLC, rec. 20131202001672
1989-08-15: $7,500,000 from Uhs of Riverton INC to Private party (part of a 3-parcel sale; price is the whole deal), rec. 198908150700
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 $76,000 (2011) to $18,718,000 (2026), up 24529% over 15 years, per county tax rolls. The 2026 roll splits $18,718,000 into $4,474,400 land and $14,243,600 improvements.
Zoning: MDR (per King County)
Lot: 807,450 sq ft
Water: Water District (per King County)
Sewer: Public (per King County)
Access: Public
Street surface: Paved
Floor and use mix: Convalescent Hospital 110,840 SF; Medical Office 7,865 SF; Basement, Finished 7,250 SF; Industrial Light Manufacturing 4,576 SF; Office Building 825 SF; Basement, Office 825 SF (county building sections)