1314 E Union St, Seattle, WA 98122

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: urban apartment building, 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 AI estimate from public imagery; may be outdated.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 95% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 121,067 SF, King County Assessor
Lot size: 11,664 SF, King County Assessor
Year built: 2025, King County Assessor
Stories: 7, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Mixed-Use Apartments Southtower, King County Assessor
Units: 141, King County Assessor
Assessed value: $23,267,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $192.18/SF, derived from assessor records
Lot coverage: 1038%, derived from assessor records
Vintage: 2020s vintage
Zoning: NC3-75 (M), King County
County use code: Apartment(Mixed Use)
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): none visible, AI estimate from public imagery

Nearby comparable buildings

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

1305 E Madison St, Seattle · 0 mi · 37,010 SF · built 1907 · assessed $228.80/SF
1311 E Union St, Seattle · 0 mi · 25,590 SF · built 1924 · assessed $345.85/SF
1323 E Union St, Seattle · 0.1 mi · 66,580 SF · built 2023 · assessed $354.32/SF
1319 E Union St, Seattle · 0.1 mi · 24,316 SF · built 1909 · assessed $241.98/SF
1401 E Union St, Seattle · 0.1 mi · 6,972 SF · built 1963 · assessed $298.34/SF
1408 E Union St, Seattle · 0.1 mi · 142,586 SF · built 2009 · assessed $279.20/SF

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Sale history and market context

MakeMe Estimate: $27,103,409 (estimated market value), with a likely range of $24,756,373 to $27,970,941 (half of recent verified sales in this segment landed inside that range). Based on 98 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works. About $192K per unit at the midpoint (141 units).

Current ownership dates to 2022 (about 4 years) per recorded transfers.

2022-11-08: $6,791,393 from Private party to 14th and E Union LLC, rec.

2003-09-04: transfer from Private party to Private party (non-market transfer), rec. 20031223001529

1994-12-19: $409,000 from Private party to Private party (non-market transfer), rec. 199412230851

1992-04-17: $45,000 from Private party to Private party, rec. 199206231024

1992-04-17: $30,000 from Private party to Private party, rec. 199206231025

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 $1,575,600 (2011) to $23,267,100 (2026), up 1377% over 15 years, per county tax rolls. The 2026 roll splits $23,267,100 into $6,123,600 land and $17,143,500 improvements.

Zoning: NC3-75 (M) (per King County)

Lot: 11,664 sq ft

Nuisance flags: Traffic noise

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Apartment 99,911 SF; Parking Levels (Intermediate/Under Building) 17,726 SF; Retail Store 1,727 SF; Restaurant, Table Service 1,703 SF (county building sections)

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

Permit history

2026-01-05: Electrical (Screened), permit 7123506-EL

2025-10-22: Electrical, declared value $1,500 (Screened), permit 7113055-EL

2025-07-09: Other, declared value $15,000 (Screened), permit 7094999-RF

2024-11-04: Electrical, declared value $1,000 (Screened), permit 7054494-EL

2024-10-30: Building, New, declared value $23,061,060 (Revisit), permit 6883524-CN

2024-06-26: Remodel, declared value $950,000 (Complete), permit 6956408-CN

2024-06-14: Demolition, declared value $30,000,000 (Complete), permit 6850563-DM

2023-08-26: Electrical, declared value $1,000 (Screened), permit 6983001-EL

Source: King County permit records (newest first).