500 4th Ave, Seattle, WA 98104

Commercial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: high-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 AI estimate from public imagery; may be outdated.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 1,256 reachable commercial buildings in Seattle. Larger than 95% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

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Building size
224,857 SF, King County Assessor
Lot size
59,280 SF, King County Assessor
Year built
1971, King County Assessor
Stories
9, King County Assessor
Predominant use
Government Office Building, King County Assessor
Assessed value
$0, per the King County Assessor (not a market appraisal)
Lot coverage
379%, derived from assessor records
Vintage
1970s vintage
Zoning
DMC 340/290-440, King County
County use code
Governmental Service
Construction (observed)
masonry, AI estimate from public imagery
Parking (observed)
none visible, AI estimate from public imagery
Frontage (observed)
mid block, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

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Land, site, and value history

Permit history

Source: King County permit records (newest first).