31509 3rd Ave, Black Diamond, WA 98010
NNN Retail · Black Diamond · Seattle-Bellevue metro, WA
Imagery suggests: gas station with retail strip, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.
One of 15 reachable nnn retail buildings in Black Diamond. Larger than 87% of nnn retail buildings in Black Diamond (median 4,340 SF), derived from assessor records.
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Claim or manage this building- Building size
- 14,820 SF, King County Assessor
- Lot size
- 40,075 SF, King County Assessor
- Year built
- 1962, King County Assessor
- Stories
- 1, King County Assessor
- Predominant use
- Black Diamond Center, King County Assessor
- Assessed value
- $2,955,500, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $199.43/SF, derived from assessor records
- Lot coverage
- 37%, derived from assessor records
- Vintage
- 1960s vintage
- Zoning
- CC, King County
- County use code
- Retail Store
- Parking (observed)
- surface lot, AI estimate from public imagery
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 31329 3rd Ave, Black Diamond · 0.1 mi · 3,076 SF · built 1998 · assessed $366.91/SF
- 31117 3rd Ave, Black Diamond · 0.2 mi · 4,822 SF · built 1936 · assessed $222.27/SF
- 30848 3rd Ave, Black Diamond · 0.4 mi · 4,340 SF · built 1995 · assessed $176.91/SF
- 30800 3rd Ave, Black Diamond · 0.5 mi · 2,400 SF · built 1972 · assessed $176.92/SF
- 30741 3rd Ave, Black Diamond · 0.5 mi · 28,581 SF · built 2006 · assessed $208/SF
- 32616 3rd Ave, Black Diamond · 0.7 mi · 1,240 SF · built 1965 · assessed $260.81/SF
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