1818 Westlake Ave N, Seattle, WA 98109
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 AI estimate from public imagery; may be outdated.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
- 30,840 SF, King County Assessor
- Lot size
- 26,295 SF, King County Assessor
- Year built
- 1965, King County Assessor
- Stories
- 4, King County Assessor
- Predominant use
- Office Bldg, King County Assessor
- Assessed value
- $8,742,500, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $283.48/SF, derived from assessor records
- Lot coverage
- 117%, derived from assessor records
- Vintage
- 1960s vintage
- Zoning
- C2-40, King County
- County use code
- Office Building
- Construction (observed)
- masonry, AI estimate from public imagery
- Parking (observed)
- none visible, AI estimate from public imagery
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 1800 Westlake Ave N, Seattle · 0 mi · 10,860 SF · built 1963 · assessed $498.41/SF
- 1836 Westlake Ave N, Seattle · 0 mi · 10,260 SF · built 1962 · assessed $373.19/SF
- 1848 Westlake Ave N, Seattle · 0.1 mi · 23,355 SF · built 1949 · assessed $329.66/SF
- 1813 Westlake Ave N, Seattle · 0.1 mi · 66,462 SF · built 1952 · assessed $404.43/SF
- 1725 Westlake Ave N, Seattle · 0.1 mi · 34,698 SF · built 1920 · assessed $295.05/SF
- 1700 Westlake Ave N, Seattle · 0.1 mi · 162,328 SF · built 1970 · assessed $276.24/SF
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