28730 Maple Valley Black Diamond Rd SE, Maple Valley, WA 98038
Small-Bay Industrial · Maple Valley · Seattle-Bellevue metro, WA
Imagery suggests: commercial service building. AI estimate from public imagery. In recent public imagery (2026-06), the building appears serviceable with visible wear. AI estimate from public imagery; may be outdated.
One of 32 reachable small-bay industrial buildings in Maple Valley. Larger than 3% of small-bay industrial buildings in Maple Valley (median 7,564 SF), derived from assessor records.
Own this building?
Claim privately
Claiming is for you. Your mailing address is never shown; no offer reaches you unless you opt in.
Claimed owners can confirm facts, watch the estimate, and decide whether to reply.
Claim or manage this building- Building size
- 2,472 SF, King County Assessor
- Lot size
- 16,449 SF, King County Assessor
- Year built
- 1981, King County Assessor
- Stories
- 1, King County Assessor
- Predominant use
- Office & Shop, King County Assessor
- Assessed value
- $315,800, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $127.75/SF, derived from assessor records
- Lot coverage
- 15%, derived from assessor records
- Vintage
- 1980s vintage
- Zoning
- CB, King County
- County use code
- Service Building
- Construction (observed)
- metal, AI estimate from public imagery
- Parking (observed)
- surface lot, AI estimate from public imagery
- Frontage (observed)
- interior, AI estimate from public imagery
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 28634 Maple Valley Black Diamond Rd SE, Maple Valley · 0 mi · 2,612 SF · built 1958 · assessed $123.51/SF
- 28620 Maple Valley Black Diamond Rd SE, Maple Valley · 0.1 mi · 15,142 SF · built 1960 · assessed $117.99/SF
- 27215 Maple Valley Black Diamond Rd SE, Maple Valley · 1 mi · 16,763 SF · built 2000 · assessed $168.57/SF
- 27016 Maple Valley Black Diamond Rd SE, Maple Valley · 1.1 mi · 17,894 SF · built 2002 · assessed $330.40/SF
- 26700 242nd Ave SE, Maple Valley · 1.3 mi · 24,742 SF · built 2011 · assessed $277.90/SF
- 23765 SE 264th St, Maple Valley · 1.5 mi · 6,000 SF · built 2001 · assessed $215.22/SF
Want to talk to the owner? makeme1031 delivers a private, principal-to-principal letter to the owner of record. We never publish the owner's identity or address.