MakeMe Estimate: $5.6M (estimated market value), with a likely range of $4.94M to $6.46M (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: 6 comparable sales within 3 miles; nearest 1.2 mi. This property type carries wider measured error; treat the estimate as a starting point. Recent sale check: this building sold for $4,637,000 in 2023; the estimate is about 21% 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. The strongest 5 of 6 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.
Market context: Office in Renton
median verified sale $283.97/SF over the trailing 24 months; 4 sales in the last 12 months and 9 in 24 (newest verified sale 2025-12); the middle 80% of recent sales traded at 0.96x to 1.35x their county assessed value, median 1.01x (9 sales with usable county values).
2021: $294.01/SF median (5 sales)
2022: $290.17/SF median (6 sales)
2023: $272.49/SF median (7 sales)
2024: $288.89/SF median (5 sales)
2025: $274.56/SF median (4 sales)
This estimate sits at 1.20x county assessed value, the 78th percentile of those recent sale premiums.
Computed from 260 verified arm's-length sales in King County public records (9 in the trailing 24 months). Free public records. Not an appraisal.
Last sold: 2023-10-25 for $4,637,000 (recorded arm's-length sale).
Current ownership dates to 2023 (about 3 years) per recorded transfers.
2023-10-25: $4,637,000 from STG Renton LLC to Middle Tree Properties LLC, rec. 20231027000702
2020-08-28: $3,050,000 from Scripps Renton Realty LLC to STG Renton LLC, rec. 20200901001790
2012-05-08: $3,072,500 from Park Tower Building LLC to Scripps Renton Realty LLC, rec. 20120511001325
2008-02-18: $3,600,000 from Park Tower Associates LLC to Park Tower Building LLC (non-market transfer), rec. 20080229002816
2001-03-29: $1,985,000 from Private party to Park Tower Associates LLC, rec. 20010330001626
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 $3,054,400 (2011) to $4,675,300 (2026), up 53% over 15 years, per county tax rolls. The 2026 roll splits $4,675,300 into $1,302,400 land and $3,372,900 improvements.
Zoning: CA (per King County)
Lot: 50,094 sq ft
Water: Water District (per King County)
Sewer: Public (per King County)
Access: Public
Street surface: Paved
Floor and use mix: Office Building 21,117 SF (county building sections)