1015 3rd Ave, Seattle, WA 98104

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: structured parking garage. 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 AI estimate from public imagery; may be outdated.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 89% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 293,576 SF, King County Assessor
Lot size: 26,640 SF, King County Assessor
Year built: 1998, King County Assessor
Stories: 13, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $59,948,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $204.20/SF, derived from assessor records
Lot coverage: 1102%, derived from assessor records
Vintage: 1990s vintage
Zoning: DOC1 U/450/U, 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.

1000 2nd Ave, Seattle · 0 mi · 589,921 SF · built 1986 · assessed $203.80/SF
1001 4th Ave, Seattle · 0 mi · 1,179,473 SF · built 1969 · assessed $168.46/SF
1111 3rd Ave, Seattle · 0.1 mi · 776,762 SF · built 1980 · assessed $177.59/SF
1110 3rd Ave, Seattle · 0.1 mi · 186,768 SF · built 1972 · assessed $173.50/SF
1015 2nd Ave, Seattle · 0.1 mi · 232,045 SF · built 1950 · assessed $227.53/SF
999 3rd Ave, Seattle · 0.1 mi · 1,325,986 SF · built 1983 · assessed $169.66/SF

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Sale history and market context

MakeMe Estimate: $51,766,902 (estimated market value), with a likely range of $46,784,448 to $67,449,824 (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: 1997-02-11 for $5,692,000 (recorded arm's-length sale).

Current ownership dates to 1997 (about 29 years) per recorded transfers.

1997-02-11: $5,692,000 from Third & Spring LLC to Expeditors International of Wa INC, rec. 199702120930

1996-04-30: transfer from Seattle City of to Private party (non-market transfer), rec. 199604302308

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 $46,867,000 (2011) to $59,948,000 (2026), up 28% over 15 years, per county tax rolls. The 2026 roll splits $59,948,000 into $42,624,000 land and $17,324,000 improvements.

Zoning: DOC1 U/450/U (per King County)

Lot: 26,640 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 203,725 SF; Underground Parking Structure 74,481 SF; Retail Store 15,370 SF (county building sections)

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

Permit history

2018-07-06: Remodel, declared value $200,000 (Screened), permit 6677068-CN

2018-05-15: Remodel, declared value $400,000 (Screened), permit 6668378-CN

2018-04-12: Remodel, declared value $315,000 (Screened), permit 6630693

2015-09-08: Remodel, declared value $60,000 (Screened), permit 6491551

2014-11-17: Remodel, declared value $1,500,000 (Screened), permit 6427532

2014-08-04: Remodel, declared value $165,000 (Screened), permit 6430190

2013-06-04: Remodel, declared value $266,240 (Complete), permit 6359216

2004-03-29: Building, New (Complete), permit 741440

2000-04-05: Remodel, declared value $800,000 (Screened), permit 712735

1998-03-12: Remodel, declared value $150,000 (Complete), permit 697563

Source: King County permit records (newest first).