410 W Harrison St, Seattle, WA 98119

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: modern office. 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 AI estimate from public imagery; may be outdated.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 66% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 50,028 SF, King County Assessor
Lot size: 28,700 SF, King County Assessor
Year built: 1962, King County Assessor
Stories: 3, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Office/ Lab Building, King County Assessor
Assessed value: $19,806,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $395.90/SF, derived from assessor records
Lot coverage: 174%, derived from assessor records
Vintage: 1960s vintage
Zoning: C2-55 (M), King County
County use code: Medical/Dental Office
Construction (observed): steel glass, 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.

351 Elliott Ave W, Seattle · 0.1 mi · 162,420 SF · built 2000 · assessed $275.03/SF
309 W Republican St, Seattle · 0.1 mi · 3,822 SF · built 1900 · assessed $385.03/SF
401 Elliott Ave W, Seattle · 0.1 mi · 132,010 SF · built 2000 · assessed $395.27/SF
450 3rd Ave W, Seattle · 0.1 mi · 240,700 SF · built 2016 · assessed $172.64/SF
300 W Republican St, Seattle · 0.1 mi · 80,035 SF · built 2024 · assessed $296.68/SF
333 Elliott Ave W, Seattle · 0.1 mi · 183,964 SF · built 2008 · assessed $165.36/SF

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Sale history and market context

MakeMe Estimate: $20,319,562 (estimated market value), with a likely range of $18,363,847 to $26,475,427 (half of recent verified sales in this segment landed inside that range). Based on 55 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2004 (about 22 years) per recorded transfers.

2004-05-19: $5,500,000 from Dina Corporation to Are Seattle No 10 LLC (part of a 2-parcel sale; price is the whole deal), rec. 20040520002591

1996-09-03: transfer from Diamond Parking INC to Dina Corporation (part of a 13-parcel sale; price is the whole deal), rec. 199610110000

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 $6,640,700 (2011) to $19,806,000 (2026), up 198% over 15 years, per county tax rolls. The 2026 roll splits $19,806,000 into $6,457,500 land and $13,348,500 improvements.

Zoning: C2-55 (M) (per King County)

Lot: 28,700 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Laboratories 20,525 SF; Parking Structure 15,612 SF; Office Building 13,891 SF (county building sections)

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

Permit history

2022-02-10: Remodel, declared value $175,000 (Complete), permit 6882270-CN

2020-11-23: Remodel, declared value $375,000 (Complete), permit 6811206-CN

2020-09-23: Remodel (Complete), permit 6802029-CN

2017-01-25: Remodel, declared value $80,000 (Complete), permit 6577928

2008-06-29: Remodel, declared value $1,900,000 (Complete), permit 6132255

2004-11-12: Remodel, declared value $1,000,000 (Complete), permit 746721

Source: King County permit records (newest first).