1900 9th Ave, Seattle, WA 98101
Office · Seattle · Seattle-Bellevue metro, WA
Imagery suggests: parking garage entrance. 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 AI estimate from public imagery; may be outdated.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 89% of office buildings in Seattle (median 20,410 SF), derived from assessor records.
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Claim or manage this building- Building size
- 299,070 SF, King County Assessor
- Lot size
- 13,560 SF, King County Assessor
- Year built
- 2004, King County Assessor
- Stories
- 11, King County Assessor
- Predominant use
- Office/Laboratory Bldg., King County Assessor
- Assessed value
- $153,411,600, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $512.96/SF, derived from assessor records
- Lot coverage
- 2206%, derived from assessor records
- Vintage
- 2000s vintage
- Zoning
- DMC 340/290-440, King County
- County use code
- Medical/Dental Office
- Construction (observed)
- masonry, AI estimate from public imagery
- Parking (observed)
- structured, AI estimate from public imagery
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 800 Stewart St, Seattle · 0.1 mi · 43,506 SF · built 1978 · assessed $231.96/SF
- 1920 Terry Ave, Seattle · 0.1 mi · 512,883 SF · built 2019 · assessed $595.59/SF
- 1800 9th Ave, Seattle · 0.1 mi · 480,840 SF · built 1990 · assessed $122.30/SF
- 1926 8th Ave, Seattle · 0.1 mi · 876,139 SF · built 2009 · assessed $211.54/SF
- 1007 Stewart St, Seattle · 0.1 mi · 501,704 SF · built 2017 · assessed $222.12/SF
- 1906 7th Ave, Seattle · 0.1 mi · 615,000 SF · built 2003
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