1515 Dexter Ave N, Seattle, WA 98109

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: structured parking garage, 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 AI estimate from public imagery; may be outdated.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 58% of office buildings in Seattle (median 20,410 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: 30,918 SF, King County Assessor
Lot size: 22,019 SF, King County Assessor
Year built: 1980, King County Assessor
Stories: 3, King County Assessor
Predominant use: Office Bldg, King County Assessor
Assessed value: $7,500,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $242.58/SF, derived from assessor records
Lot coverage: 140%, derived from assessor records
Vintage: 1980s vintage
Zoning: NC3P-55 (M), King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): structured, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

1607 Dexter Ave N, Seattle · 0 mi · 6,972 SF · built 1912 · assessed $341.70/SF
1505 Westlake Ave N, Seattle · 0.1 mi · 381,511 SF · built 1994 · assessed $123.27/SF
1617 8th Ave N, Seattle · 0.1 mi · 7,000 SF · built 1966 · assessed $377.53/SF
1606 8th Ave N, Seattle · 0.1 mi · 3,028 SF · built 1968 · assessed $517.77/SF
1633 Westlake Ave N, Seattle · 0.1 mi · 189,650 SF · built 2000 · assessed $126.68/SF
1725 Westlake Ave N, Seattle · 0.1 mi · 34,698 SF · built 1920 · assessed $295.05/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: $7,922,476 (estimated market value), with a likely range of $7,714,937 to $10,467,774 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 1991-10-09 for $2,033,891 (recorded arm's-length sale).

Current ownership dates to 2017 (about 9 years) per recorded transfers.

2017-12-21: $9,000,000 from Salal Credit Union to 1515 Dexter LLC (non-market transfer), rec. 20171221000854

1991-10-09: $2,033,891 from Assoc Center LTD Part to Group Health Credit Union, rec. 199110100555

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 $3,681,700 (2011) to $7,500,000 (2026), up 104% over 15 years, per county tax rolls. The 2026 roll splits $7,500,000 into $5,504,700 land and $1,995,300 improvements.

Zoning: NC3P-55 (M) (per King County)

Lot: 22,019 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 23,141 SF; Basement, Parking 7,602 SF; Storage Warehouse 175 SF (county building sections)

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

Permit history

2025-12-09: Electrical, declared value $3,500 (Screened), permit 7120499-EL

2020-03-17: Remodel, declared value $563,527 (Complete), permit 6702164-CN

2019-05-28: Remodel, declared value $400,000 (Complete), permit 6645345-CN

2019-03-11: Remodel, declared value $100,000 (Complete), permit 6716427-CN

2010-06-24: Remodel, declared value $125,000 (Complete), permit 6245778

Source: King County permit records (newest first).