333 8th Ave N, Seattle, WA 98109

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: modern commercial building. 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 AI estimate from public imagery; may be outdated.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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Building size: 364,133 SF, King County Assessor
Lot size: 28,800 SF, King County Assessor
Year built: 2019, King County Assessor
Stories: 6, King County Assessor
Predominant use: Class A, King County Assessor
Assessed value: $40,613,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $111.53/SF, derived from assessor records
Lot coverage: 1264%, derived from assessor records
Vintage: 2010s vintage
Zoning: SM-SLU 85-280, 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.

300 8th Ave N, Seattle · 0 mi · 365,449 SF · built 2019 · assessed $213.10/SF
400 Dexter Ave N, Seattle · 0 mi · 443,118 SF · built 2017 · assessed $491.67/SF
325 9th Ave N, Seattle · 0.1 mi · 480,702 SF · built 2014 · assessed $229.12/SF
333 Dexter Ave N, Seattle · 0.1 mi · 957,631 SF · built 2018 · assessed $236.63/SF
903 Thomas St, Seattle · 0.1 mi · 254,218 SF · built 2018 · assessed $202.92/SF
400 9th Ave N, Seattle · 0.1 mi · 483,397 SF · built 2014 · assessed $227.53/SF

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Sale history and market context

MakeMe Estimate: $38,487,514 (estimated market value), with a likely range of $34,783,173 to $50,147,409 (half of recent verified sales in this segment landed inside that range). Based on 12 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2019 (about 7 years) per recorded transfers.

2019-11-05: $204,185,000 from City Investors Xxvii LLC to Ponte Gadea Seattle LLC (part of a 5-parcel sale; price is the whole deal), rec. 20191106000911

2 administrative transfers (no consideration), 2016 to 2016

2000-08-01: $8,458,000 from King County Rural Library Distsrict to City Investors VII LLC (part of a 5-parcel sale; price is the whole deal), rec. 20000801001518

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $5,904,000 (2011) to $40,613,000 (2026), up 588% over 15 years, per county tax rolls. The 2026 roll splits $40,613,000 into $24,624,000 land and $15,989,000 improvements.

Zoning: SM-SLU 85-280 (per King County)

Lot: 28,800 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 198,366 SF; Underground Parking Structure 164,346 SF; Retail Store 1,421 SF (county building sections)

County districts report (schools, fire, sewer, council; on kingcounty.gov)

Permit history

2025-11-06: Remodel, declared value $100,000, permit 7059281-CN

2025-07-08: Electrical, declared value $1,088,060, permit 7095098-EL

2025-06-16: Remodel, declared value $2,000,000 (Revisit), permit 7042794-CN

2025-05-12: Remodel (Revisit), permit 7071194-BK

2025-03-10: Remodel, declared value $121,300 (Screened), permit 7056902-CN

2019-07-11: Remodel, declared value $150,000 (Complete), permit 6693951-CN

2018-11-16: Remodel, declared value $12,333,904 (Complete), permit 6598767-CN

2018-04-04: Remodel, declared value $13,261,099 (Complete), permit 6648898

2017-05-24: Building, New, declared value $52,881,433 (Complete), permit 6355565

2017-01-17: Building, New, declared value $1,960,000 (Complete), permit 6545590

Source: King County permit records (newest first).