MakeMe Estimate: $1.14M (estimated market value), with a likely range of $1.01M to $1.47M (half of recent verified sales in this segment landed inside that range). Based on 7 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 0.2 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. Buyer and seller names are withheld. Get this data via API.
Market context: Office in Burien
median verified sale $302.42/SF over the trailing 24 months; 4 sales in the last 12 months and 6 in 24 (newest verified sale 2026-04).
Computed from 144 verified arm's-length sales in King County public records (6 in the trailing 24 months). Free public records. Not an appraisal.
Last sold: 2010-11-08 for $420,000 (recorded arm's-length sale).
Current ownership dates to 2010 (about 16 years) per recorded transfers.
2010-11-08: $420,000 from Private party to Burien Oral & Maxillofacial Surgery LLC, rec. 20101112001263
2010-06-23: $815,000 from Chandler Investment II LLC to Private party (part of a 2-parcel sale; price is the whole deal), rec. 20100624000433
2007-07-10: transfer from Tax Deferred Exchange Services INC to Chandler Investments II LLC (part of a 2-parcel sale; price is the whole deal), rec. 20070723000846
2007-05-09: $765,000 from Private party to Tax Deferred Exchange Services INC (part of a 2-parcel sale; price is the whole deal), rec. 20070515002409
1995-10-24: transfer from Private party to Private party (part of a 2-parcel sale; price is the whole deal), rec. 199510310135
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 $452,700 (2011) to $943,900 (2026), up 109% over 15 years, per county tax rolls. The 2026 roll splits $943,900 into $225,000 land and $718,900 improvements.
Zoning: MU-DT (per King County)
Lot: 7,500 sq ft
Water: Water District (per King County)
Sewer: Public (per King County)
Access: Public
Street surface: Paved
Floor and use mix: Dental Office/Clinic 3,240 SF (county building sections)