102 Occidental Ave S, Seattle, WA 98104

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise mixed-use, 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 AI estimate from public imagery; may be outdated.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 72% 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: 75,496 SF, King County Assessor
Lot size: 13,320 SF, King County Assessor
Year built: 1900, King County Assessor
Stories: 6, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $10,340,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $136.96/SF, derived from assessor records
Lot coverage: 567%, derived from assessor records
Vintage: pre-war vintage
Zoning: PSM 100/100-120, King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, AI estimate from public imagery
Frontage (observed): corner, AI estimate from public imagery

Nearby comparable buildings

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

427 2nd Ave Ext S, Seattle · 0 mi · 34,934 SF · built 1900 · assessed $179.31/SF
104 1st Ave S, Seattle · 0 mi · 36,330 SF · built 1902 · assessed $137.16/SF
95 Yesler Way, Seattle · 0 mi · 6,923 SF · built 1900 · assessed $98.86/SF
112 1st Ave S, Seattle · 0.1 mi · 18,160 SF · built 1906 · assessed $137.63/SF
502 2nd Ave, Seattle · 0.1 mi · 304,346 SF · built 1912 · assessed $135.95/SF
100 1st Ave S, Seattle · 0.1 mi · 54,390 SF · built 1985 · assessed $140.10/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: $10,339,676 (estimated market value), with a likely range of $9,344,505 to $13,472,109 (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: 2019-12-31 for $6,062,500 (recorded arm's-length sale).

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

2019-12-31: $6,062,500 from Private party to Tatnuck Ventures LLC, rec. 20200103001073

2 administrative transfers (no consideration), 2011 to 2016

2006-06-30: $8,950,000 from No Boundaries LTD to Private party (non-market transfer), rec. 20060630003961

2006-06-30: transfer from Private party to Private party (non-market transfer), rec. 20101109001520

1996-09-11: $2,050,000 from Po-Sum INC to No Boundaries LTD, rec. 199609301203

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 $7,019,900 (2011) to $10,340,100 (2026), up 47% over 15 years, per county tax rolls. The 2026 roll splits $10,340,100 into $5,994,000 land and $4,346,100 improvements.

Zoning: PSM 100/100-120 (per King County)

Lot: 13,320 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 48,856 SF; Basement, Parking 13,320 SF; Retail Store 13,320 SF (county building sections)

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

Permit history

2024-10-07: Remodel, declared value $7,330 (Screened), permit 7025050-CN

2024-02-25: Electrical, declared value $1,000 (Screened), permit 7011190-EL

2023-08-23: Electrical, declared value $4,200 (Screened), permit 6982336-EL

2023-06-20: Other, declared value $3,500 (Screened), permit 6971291-RF

2023-05-04: Electrical, declared value $4,500 (Screened), permit 6962908-EL

2021-09-21: Remodel, declared value $30,000 (Screened), permit 6836839-CN

2021-08-30: Remodel, declared value $75,000 (Screened), permit 6821382-CN

2018-09-06: Remodel, declared value $242,250 (Screened), permit 6630035-CN

2015-02-12: Remodel, declared value $150,000 (Complete), permit 6449356

2014-07-16: Remodel, declared value $650,000 (Complete), permit 6411091

Source: King County permit records (newest first).