3317 E Union St, Seattle, WA 98122

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mixed-use retail/residential, 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 AI estimate from public imagery; may be outdated.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 5,391 reachable multifamily buildings in Seattle. Larger than 48% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 8,805 SF, King County Assessor
Lot size: 5,000 SF, King County Assessor
Year built: 1907, King County Assessor
Stories: 2, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: 1137-1139 34th Ave, King County Assessor
Assessed value: $2,348,900, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $266.77/SF, derived from assessor records
Lot coverage: 176%, derived from assessor records
Vintage: pre-war vintage
Zoning: NC1-40 (M), King County
County use code: Apartment(Mixed Use)
Construction (observed): masonry, 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.

3310 E Spring St, Seattle · 0.1 mi · 51,831 SF · built 2003 · assessed $290.58/SF
1430 34th Ave, Seattle · 0.1 mi · 24,918 SF · built 1996 · assessed $291.36/SF
3200 E Union St, Seattle · 0.1 mi · 12,456 SF · built 1971 · assessed $291.67/SF
1422 37th Ave, Seattle · 0.2 mi · 7,446 SF · built 1902 · assessed $298.82/SF
2719 E Pike St, Seattle · 0.3 mi · 4,080 SF · built 1941 · assessed $425/SF
628 34th Ave, Seattle · 0.3 mi · 3,752 SF · built 1962 · assessed $358.74/SF

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Sale history and market context

MakeMe Estimate: $2,310,728 (estimated market value), with a likely range of $2,051,204 to $2,635,898 (half of recent verified sales in this segment landed inside that range). Based on 667 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2014 (about 12 years) per recorded transfers.

3 administrative transfers (no consideration), 2013 to 2014

2013-03-30: $1,050,000 from Private party to Goldfinger LLC (part of a 3-parcel sale; price is the whole deal), rec. 20130403000590

2013-03-29: $1,050,000 from Cascade Key Investments LLC to Goldfinger LLC (part of a 3-parcel sale; price is the whole deal), rec. 20130403000311

5 administrative transfers (no consideration), 1993 to 2013

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 $1,303,400 (2011) to $2,348,900 (2026), up 80% over 15 years, per county tax rolls. The 2026 roll splits $2,348,900 into $1,475,000 land and $873,900 improvements.

Zoning: NC1-40 (M) (per King County)

Lot: 5,000 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Line Retail 2,905 SF; Office Building 2,650 SF; Market 1,750 SF; Basement, Unfinished 1,500 SF (county building sections)

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

Permit history

2026-02-16: Remodel, declared value $125,000, permit 7128312-CN

2026-01-22: Other, declared value $105,423, permit 7125932-RF

2026-01-21: Electrical (Screened), permit 7125921-EL

2026-01-05: Electrical (Screened), permit 7123419-EL

2025-04-17: Remodel, declared value $200,000 (Revisit), permit 7028921-CN

2022-06-07: Remodel, declared value $50,000 (Complete), permit 6862368-CN

2021-07-12: Remodel, declared value $30,000 (Complete), permit 6837584-CN

2010-12-21: Remodel, declared value $29,500 (Defunct), permit 6261931

Source: King County permit records (newest first).