Commercial · Black Diamond · Seattle-Bellevue metro, WA
One of 26 reachable commercial buildings in Black Diamond. Larger than 12% of commercial buildings in Black Diamond (median 5,035 SF), derived from assessor records.
Usable building area
1,320 SF, King County Assessor
Lot size
88,440 SF, King County Assessor
Year built
1962, King County Assessor
Stories
1, King County Assessor
Predominant use
Sfr, King County Assessor
Assessed value
$556,500, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$421.59/SF, derived from assessor records
Usable area / lot
0.01, derived from assessor records
Vintage
1960s vintage
Zoning
CC, King County
County use code
Single Family(C/I Zone)
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
MakeMe Estimate: $729K (estimated market value), with a likely range of $606K to $880K (half of recent verified sales in this segment landed inside that range). Based on 4 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.
lower confidence: 2 comparable sales within 3 miles; nearest 0.8 mi. This property type carries wider measured error; treat the estimate as a starting point. Comparable-sale caveat: the estimate is 45% above the $381.55/SF median of the shown comparable sales.
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.
Current ownership dates to 2024 (about 2 years) per recorded transfers.
2024-10-28: $211,500 from Provident Properties LLC to Black Diamond City of ( BNFT Of) CCD Black Diam (part of a 2-parcel sale; price is the whole deal), rec. 20241031001247
2020: transferred to CC-Diamond Valley MH Owner LLC, no consideration (3 recorded transfers, 2020 to 2020)
2020-04-14: $10,000 from Provident Properties LLC to Collective Parks-Cedarbrook MHC LLC (part of a 2-parcel sale; price is the whole deal), rec. 20200428001005
2016: transferred to Provident Properties LLC, no consideration (2 recorded transfers, 2016 to 2016)
2016-09-15: $900,000 from Black Diamond Plaza LLC to Private party (part of a 2-parcel sale; price is the whole deal), rec. 20160922001806
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. Not an appraisal. How this estimate works.
Land, site, and value history
Assessed value moved from $279,000 (2011) to $556,500 (2026), up 99% over 15 years, per county tax rolls. The 2026 roll splits $556,500 into $442,200 land and $114,300 improvements.
Zoning: CC (per King County)
Lot: 88,440 sq ft
Water: Water District (per King County)
Sewer: Public (per King County)
Access: Public
Street surface: Paved
Floor and use mix: Residence 1,320 SF (county building sections)