615 2nd Ave, Seattle, WA 98104

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: historic mixed-use, 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 AI estimate from public imagery; may be outdated.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 74% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 87,236 SF, King County Assessor
Lot size: 12,960 SF, King County Assessor
Year built: 1900, King County Assessor
Stories: 7, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $15,594,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $178.76/SF, derived from assessor records
Lot coverage: 673%, derived from assessor records
Vintage: pre-war vintage
Zoning: PSM 100/100-130, King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, 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.

110 Cherry St, Seattle · 0 mi · 29,200 SF · built 1903 · assessed $162.93/SF
705 2nd Ave, Seattle · 0 mi · 116,640 SF · built 1911 · assessed $136.56/SF
614 1st Ave, Seattle · 0 mi · 25,492 SF · built 1902 · assessed $163.36/SF
616 1st Ave, Seattle · 0 mi · 28,480 SF · built 1900 · assessed $192.42/SF
600 1st Ave, Seattle · 0 mi · 89,355 SF · built 1900 · assessed $131.79/SF
710 2nd Ave, Seattle · 0.1 mi · 388,934 SF · built 1922 · assessed $145.95/SF

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Sale history and market context

MakeMe Estimate: $14,739,068 (estimated market value), with a likely range of $13,320,464 to $19,204,308 (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.

Last sold: 2018-09-27 for $20,250,000 (recorded arm's-length sale).

Current ownership dates to 2024 (about 2 years) per recorded transfers.

2024-05-07: transfer from Go-Brickman Broderick Owner LLC to Broderick Partners LLC (non-market transfer), rec.

2018-09-27: $20,250,000 from Hra Broderick LP to Go-Brickman Broderick Owner LLC, rec. 20180927000879

2014-03-05: $13,750,000 from Broderick Building LLC to Hra Broderick LP, rec. 20140307001333

2007-03-21: $13,422,474 from Alhadeff Properties LTD Partnership to Broderick Building LLC, rec. 20070326000528

3 administrative transfers (no consideration), 1994 to 1995

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 $10,153,300 (2011) to $15,594,100 (2026), up 54% over 15 years, per county tax rolls. The 2026 roll splits $15,594,100 into $5,832,000 land and $9,762,100 improvements.

Zoning: PSM 100/100-130 (per King County)

Lot: 12,960 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 69,347 SF; Basement, Storage 7,467 SF; Retail Store 6,229 SF; Basement, Office 4,193 SF (county building sections)

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

Permit history

2025-06-19: Electrical, declared value $5,000 (Screened), permit 7092080-EL

2019-10-01: Remodel, declared value $100,000 (Screened), permit 6718306-CN

2019-07-22: Remodel (Screened), permit 6737767-BK

2000-03-13: Remodel (Complete), permit 712212

1997-12-17: Remodel (Complete), permit 696142

Source: King County permit records (newest first).