321 10th Ave, Seattle, WA 98122

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise multifamily, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears serviceable with visible wear. AI estimate from public imagery; may be outdated.

One of 5,391 reachable multifamily buildings in Seattle. Larger than 74% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 21,902 SF, King County Assessor
Lot size: 10,847 SF, King County Assessor
Year built: 1989, King County Assessor
Stories: 5, King County Assessor
Predominant use: Hill House Apts, King County Assessor
Units: 27, King County Assessor
Assessed value: $6,378,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $291.21/SF, derived from assessor records
Lot coverage: 202%, derived from assessor records
Vintage: 1980s vintage
Zoning: MR (M), King County
County use code: Apartment
Construction (observed): masonry, AI estimate from public imagery

Nearby comparable buildings

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

914 E Terrace St, Seattle · 0 mi · 30,648 SF · built 2000 · assessed $199.39/SF
303 10th Ave, Seattle · 0 mi · 64,534 SF · built 1999 · assessed $203.77/SF
411 10th Ave, Seattle · 0 mi · 20,973 SF · built 1996 · assessed $216.99/SF
400 10th Ave, Seattle · 0 mi · 37,485 SF · built 1985 · assessed $288.14/SF
1014 E Terrace St, Seattle · 0.1 mi · 4,602 SF · built 1907 · assessed $325.29/SF
216 10th Ave, Seattle · 0.1 mi · 2,970 SF · built 1900 · assessed $346.80/SF

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Sale history and market context

MakeMe Estimate: $6,830,227 (estimated market value), with a likely range of $6,238,760 to $7,048,851 (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 $253K per unit at the midpoint (27 units).

Current ownership dates to 2009 (about 17 years) per recorded transfers.

2009-11-19: transfer from Chin-Yuen Sheen One LLC to Shing-Yeen Sheen One LLC (non-market transfer), rec. 20091124001625

1998-09-10: $2,189,024 from Private party to Shing-Yeen Sheen One LLC (non-market transfer), rec. 199809161210

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 $3,017,000 (2011) to $6,378,000 (2026), up 111% over 15 years, per county tax rolls. The 2026 roll splits $6,378,000 into $4,338,800 land and $2,039,200 improvements.

Zoning: MR (M) (per King County)

Lot: 10,847 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Apartment 18,235 SF; Basement, Parking 3,667 SF (county building sections)

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