4209 21st Ave W, Seattle, WA 98199
Office · Seattle · 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 AI estimate from public imagery; may be outdated.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 957 reachable office buildings in Seattle. Larger than 58% of office buildings in Seattle (median 20,410 SF), derived from assessor records.
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Claim or manage this building- Building size
- 30,172 SF, King County Assessor
- Lot size
- 9,000 SF, King County Assessor
- Year built
- 1994, King County Assessor
- Stories
- 4, King County Assessor
- Predominant use
- Office Building, King County Assessor
- Assessed value
- $4,509,000, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $149.44/SF, derived from assessor records
- Lot coverage
- 335%, derived from assessor records
- Vintage
- 1990s vintage
- Zoning
- MML U/65, King County
- County use code
- Office Building
- Parking (observed)
- surface lot, AI estimate from public imagery
- Frontage (observed)
- corner, AI estimate from public imagery
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 4055 21st Ave W, Seattle · 0 mi · 9,088 SF · built 1973 · assessed $256.14/SF
- 4215 21st Ave W, Seattle · 0 mi · 13,210 SF · built 1972 · assessed $223.94/SF
- 4039 21st Ave W, Seattle · 0.1 mi · 39,270 SF · built 1983 · assessed $153.78/SF
- 4241 21st Ave W, Seattle · 0.1 mi · 22,365 SF · built 1979 · assessed $191.56/SF
- 4027 21st Ave W, Seattle · 0.1 mi · 9,260 SF · built 1960 · assessed $341.32/SF
- 4242 22nd Ave W, Seattle · 0.1 mi · 8,486 SF · built 1959 · assessed $288.96/SF
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