1517 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 AI estimate from public imagery; may be outdated.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 54% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

Own this building?

Claim privately

Claiming is for you. Your mailing address is never shown; no offer reaches you unless you opt in.

Claimed owners can confirm facts, watch the estimate, and decide whether to reply.

Claim or manage this building

Building size: 16,236 SF, King County Assessor
Lot size: 5,000 SF, King County Assessor
Year built: 1910, King County Assessor
Stories: 6, King County Assessor
Predominant use: Sonder Hotel, King County Assessor
Units: 39, King County Assessor
Assessed value: $7,543,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $464.58/SF, derived from assessor records
Lot coverage: 325%, derived from assessor records
Vintage: pre-war vintage
Zoning: NC3P-75 (M), King County
County use code: Hotel/Motel
Construction (observed): wood frame, 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.

1423 Boylston Ave, Seattle · 0.1 mi · 5,120 SF · built 1912 · assessed $280.08/SF
1417 Boylston Ave, Seattle · 0.1 mi · 6,350 SF · built 1901 · assessed $234.02/SF
801 E Pine St, Seattle · 0.1 mi · 63,330 SF · built 1915
722 E Union St, Seattle · 0.1 mi · 33,708 SF · built 1912 · assessed $229.41/SF
405 E Pike St, Seattle · 0.1 mi · 35,780 SF · built 2014 · assessed $492.59/SF
1415 Summit Ave, Seattle · 0.1 mi · 48,783 SF · built 1904 · assessed $295.59/SF

Want to talk to the owner? makeme1031 delivers a private, principal-to-principal letter to the owner of record. We never publish the owner's identity or address.

Sale history and market context

MakeMe Estimate: $7,286,883 (estimated market value), with a likely range of $6,174,889 to $8,816,434 (half of recent verified sales in this segment landed inside that range). Based on 34 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2019-12-27 for $4,100,000 (recorded arm's-length sale).

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

2019-12-27: $4,100,000 from Boylston Wpig LLC to Ihotel LLC, rec. 20191227000609

2014-03-25: $40,000 from Boylston Wpic LLC to Avalon Capitol Hill LLC, rec. 20140325000452

1999-04-22: transfer from Private party to Boylston Wpic LLC (non-market transfer), rec. 199904272079

1997-07-21: $870,000 from Private party to Private party, rec. 199707231309

1992-11-16: $615,000 from Private party to Private party, rec. 199211242618

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 $1,611,000 (2011) to $7,543,000 (2026), up 368% over 15 years, per county tax rolls. The 2026 roll splits $7,543,000 into $2,625,000 land and $4,918,000 improvements.

Zoning: NC3P-75 (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: Hotel, Limited Service Midscale 16,236 SF (county building sections)

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

Permit history

2019-08-19: Remodel, declared value $1,600,000 (Complete), permit 6616474-CN

2016-09-20: Remodel, declared value $100,000 (Complete), permit 6510698

2015-11-03: Remodel, declared value $500,000 (Complete), permit 6499377

2007-03-12: Remodel, declared value $10,000 (Complete), permit 6100843

2007-03-12: Remodel (Complete), permit 3006446

Source: King County permit records (newest first).