1417 Boylston Ave, Seattle, WA 98122

Commercial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise apartments, 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 AI estimate from public imagery; may be outdated.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 1,256 reachable commercial buildings in Seattle. Larger than 34% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

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Building size: 6,350 SF, King County Assessor
Lot size: 5,000 SF, King County Assessor
Year built: 1901, King County Assessor
Stories: 3, King County Assessor
Predominant use: Multi-Res, King County Assessor
Units: 8, King County Assessor
Assessed value: $1,486,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $234.02/SF, derived from assessor records
Lot coverage: 127%, derived from assessor records
Vintage: pre-war vintage
Zoning: MR (M), King County
County use code: Historic Prop(Residence)
Construction (observed): steel glass, 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.

1423 Boylston Ave, Seattle · 0 mi · 5,120 SF · built 1912 · assessed $280.08/SF
722 E Union St, Seattle · 0 mi · 33,708 SF · built 1912 · assessed $229.41/SF
1517 Boylston Ave, Seattle · 0.1 mi · 16,236 SF · built 1910 · assessed $464.58/SF
1200 University St, Seattle · 0.1 mi · 207,022 SF · built 2000 · assessed $293.05/SF
1415 Summit Ave, Seattle · 0.1 mi · 48,783 SF · built 1904 · assessed $295.59/SF
801 E Pine St, Seattle · 0.1 mi · 63,330 SF · built 1915

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Sale history and market context

MakeMe Estimate: $1,834,722 (estimated market value), with a likely range of $1,554,740 to $2,243,237 (half of recent verified sales in this segment landed inside that range). Based on 139 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2013-01-31 for $1,230,000 (recorded arm's-length sale).

Current ownership dates to 2013 (about 13 years) per recorded transfers.

2013-01-31: $1,230,000 from J & K Belboy LLC to Yuhao LLC, rec. 20130131002121

2009-11-02: $1,839,500 from Belboy Building LLC to J&K Belboy LLC (part of a 2-parcel sale; price is the whole deal), rec. 20091102001790

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 $626,000 (2011) to $1,486,000 (2026), up 137% over 15 years, per county tax rolls. The 2026 roll splits $1,486,000 into $1,000,000 land and $486,000 improvements.

Zoning: MR (M) (per King County)

Lot: 5,000 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 4,654 SF; Basement, Unfinished 1,696 SF (county building sections)

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