401 5th Ave, Seattle, WA 98104
Office · Seattle · Seattle-Bellevue metro, WA
Imagery suggests: loading dock facility, 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 AI estimate from public imagery; may be outdated.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 92% of office buildings in Seattle (median 20,410 SF), derived from assessor records.
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Claim or manage this building- Building size
- 372,242 SF, King County Assessor
- Lot size
- 28,320 SF, King County Assessor
- Year built
- 2006, King County Assessor
- Stories
- 13, King County Assessor
- Predominant use
- Administration & Public Services, King County Assessor
- Assessed value
- $0, per the King County Assessor (not a market appraisal)
- Lot coverage
- 1314%, derived from assessor records
- Vintage
- 2000s vintage
- Zoning
- DMC 340/290-440, King County
- County use code
- Office Building
- Construction (observed)
- masonry, AI estimate from public imagery
- 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.
- 400 Yesler Way, Seattle · 0 mi · 114,395 SF · built 1909
- 300 5th Ave, Seattle · 0.1 mi · 413,264 SF · built 2009 · assessed $143.51/SF
- 110 Prefontaine Pl S, Seattle · 0.1 mi · 73,470 SF · built 1909 · assessed $143.37/SF
- 600 5th Ave, Seattle · 0.1 mi · 310,490 SF · built 2001
- 600 4th Ave, Seattle · 0.1 mi · 213,978 SF · built 2003
- 206 3rd Ave S, Seattle · 0.1 mi · 18,300 SF · built 1904
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