315 Belmont Ave E, Seattle, WA 98102

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise apartments, 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 AI estimate from public imagery; may be outdated.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 62% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 13,849 SF, King County Assessor
Lot size: 7,200 SF, King County Assessor
Year built: 1965, King County Assessor
Stories: 2, King County Assessor
Predominant use: Thunderbird Apts, King County Assessor
Units: 16, King County Assessor
Assessed value: $3,914,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $282.62/SF, derived from assessor records
Lot coverage: 192%, derived from assessor records
Vintage: 1960s vintage
Zoning: MR (M), King County
County use code: Apartment
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.

309 Belmont Ave E, Seattle · 0 mi · 18,610 SF · built 1928 · assessed $232.89/SF
323 Belmont Ave E, Seattle · 0 mi · 10,508 SF · built 1963 · assessed $291.40/SF
616 E Thomas St, Seattle · 0 mi · 10,032 SF · built 1927 · assessed $340.31/SF
510 E Thomas St, Seattle · 0 mi · 8,460 SF · built 1956 · assessed $338.42/SF
525 E Harrison St, Seattle · 0 mi · 10,938 SF · built 1956 · assessed $330.86/SF
327 Belmont Ave E, Seattle · 0 mi · 8,910 SF · built 1961 · assessed $362.07/SF

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Sale history and market context

MakeMe Estimate: $3,721,886 (estimated market value), with a likely range of $3,303,871 to $4,245,636 (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. About $233K per unit at the midpoint (16 units).

Last sold: 2023-11-27 for $5,196,800 (recorded arm's-length sale).

Current ownership dates to 2023 (about 3 years) per recorded transfers.

2023-11-27: $5,196,800 from Ardy Enterprises USA INC to 315 Belmont Visea A LLC, rec. 20231201000549

2005-06-03: $2,496,800 from Thunderbird LLC to Ardy Enterprises USA INC, rec. 20050608001725

2003-01-28: $1,546,000 from Private party to Thunderbird LLC, rec. 20030131001795

2002-11-22: transfer from Private party to Private party (non-market transfer), rec. 20021223002652

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 $1,611,000 (2011) to $3,914,000 (2026), up 143% over 15 years, per county tax rolls. The 2026 roll splits $3,914,000 into $2,880,000 land and $1,034,000 improvements.

Zoning: MR (M) (per King County)

Lot: 7,200 sq ft

Rated views: Olympic Mountains

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 11,868 SF; Basement, Parking 1,981 SF (county building sections)

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

Permit history

2025-05-06: Remodel, declared value $10,000 (Screened), permit 7081838-CN

2025-04-25: Electrical, declared value $1,500 (Screened), permit 7082669-EL

2025-01-29: Electrical, declared value $8,000 (Screened), permit 7067708-EL

2025-01-21: Remodel, declared value $20,000 (Screened), permit 7065923-CN

2024-08-08: Electrical, declared value $4,000 (Screened), permit 7040135-EL

2024-08-08: Electrical, declared value $4,000 (Screened), permit 7040134-EL

2024-07-22: Remodel, declared value $60,000 (Screened), permit 7036461-CN

Source: King County permit records (newest first).