3236 78th Ave SE, Mercer Island, WA 98040
Office · Mercer Island · Seattle-Bellevue metro, WA
Imagery suggests: mid-rise office, 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 AI estimate from public imagery; may be outdated.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 18 reachable office buildings in Mercer Island. Larger than 50% of office buildings in Mercer Island (median 14,172 SF), derived from assessor records.
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Claim or manage this building- Building size
- 14,172 SF, King County Assessor
- Lot size
- 19,735 SF, King County Assessor
- Year built
- 1966, King County Assessor
- Stories
- 2, King County Assessor
- Predominant use
- Medical/Professional Offices, King County Assessor
- Assessed value
- $4,808,700, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $339.31/SF, derived from assessor records
- Lot coverage
- 72%, derived from assessor records
- Vintage
- 1960s vintage
- Zoning
- MF-2, King County
- County use code
- Medical/Dental Office
- 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.
- 7834 SE 32nd St, Mercer Island · 0.1 mi · 5,006 SF · built 1961 · assessed $646.58/SF
- 3023 80th Ave SE, Mercer Island · 0.2 mi · 13,494 SF · built 1987 · assessed $284.25/SF
- 3003 Island Crest Way, Mercer Island · 0.2 mi · 3,683 SF · built 1957 · assessed $505.67/SF
- 2856 80th Ave SE, Mercer Island · 0.2 mi · 12,080 SF · built 2021 · assessed $232.43/SF
- 2825 80th Ave SE, Mercer Island · 0.3 mi · 5,405 SF · built 1960 · assessed $398.76/SF
- 8015 SE 28th St, Mercer Island · 0.3 mi · 27,585 SF · built 2001 · assessed $188.08/SF
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