11448 Rainier Ave S, Seattle, WA 98178

Commercial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: garden 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 AI estimate from public imagery; may be outdated.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 1,256 reachable commercial buildings in Seattle. Larger than 89% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

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Building size: 124,930 SF, King County Assessor
Lot size: 175,800 SF, King County Assessor
Year built: 1995, King County Assessor
Stories: 3, King County Assessor
Predominant use: Il, Al, King County Assessor
Units: 158, King County Assessor
Assessed value: $21,101,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $168.90/SF, derived from assessor records
Lot coverage: 71%, derived from assessor records
Vintage: 1990s vintage
Zoning: R-48, King County
County use code: Retirement Facility
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): none visible, AI estimate from public imagery
Frontage (observed): interior, AI estimate from public imagery

Nearby comparable buildings

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

11416 Rainier Ave S, Seattle · 0 mi · 2,910 SF · built 1957 · assessed $961.03/SF
11326 Rainier Ave S, Seattle · 0.1 mi · 495 SF · built 1959 · assessed $5,273/SF
11326 Rainier Ave S, Seattle · 0.1 mi · 2,532 SF · built 1930 · assessed $397.79/SF
11619 84th Ave S, Seattle · 0.4 mi · 3,750 SF · built 1947
8212 S 118th St, Seattle · 0.4 mi · 48,161 SF · built 1995
12320 80th Ave S, Seattle · 0.8 mi · 111,934 SF · built 1961

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Sale history and market context

MakeMe Estimate: $23,927,196 (estimated market value), with a likely range of $20,275,856 to $28,949,627 (half of recent verified sales in this segment landed inside that range). Based on 33 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 1997 (about 29 years) per recorded transfers.

1997-07-02: $1,500,000 from Private party to Lakeshore Development Assoc L P (non-market transfer), rec. 199707030646

1994-06-24: $500 from Private party to U S West Communications INC (non-market transfer), rec. 199407190486

1992-01-27: transfer from Private party to State of Washington (non-market transfer), rec. 199203231377

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 $9,250,000 (2011) to $21,101,200 (2026), up 128% over 15 years, per county tax rolls. The 2026 roll splits $21,101,200 into $4,922,400 land and $16,178,800 improvements.

Zoning: R-48 (per King County)

Lot: 175,800 sq ft

Rated views: Cascades, Lake Washington

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residences Assisted Living (Low Rise) 124,930 SF (county building sections)

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

Permit history

2019-09-23: Other, declared value $47,413 (Screened), permit MECH19-0559

2017-03-10: Remodel, declared value $150,000 (Screened), permit ADDC16-0486

2015-08-11: Remodel, declared value $18,000 (Complete), permit ADDC15-0335

2004-08-26: Remodel, declared value $49,868 (Revisit), permit B04M1171

2003-10-01: Remodel, declared value $2,211,000 (Complete), permit B03M1794

Source: King County permit records (newest first).