311 Cedar St, Seattle, WA 98121

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: modern 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 AI estimate from public imagery; may be outdated.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 97% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 176,815 SF, King County Assessor
Lot size: 12,720 SF, King County Assessor
Year built: 2011, King County Assessor
Stories: 17, King County Assessor
Predominant use: Mixed Use Residential/Retain, King County Assessor
Units: 185, King County Assessor
Assessed value: $63,737,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $360.47/SF, derived from assessor records
Lot coverage: 1390%, derived from assessor records
Vintage: 2010s vintage
Zoning: DMR/R 280/65, King County
County use code: Apartment(Mixed Use)
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): structured, AI estimate from public imagery

Nearby comparable buildings

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

225 Cedar St, Seattle · 0 mi · 269,065 SF · built 2014 · assessed $407.91/SF
320 Cedar St, Seattle · 0 mi · 45,172 SF · built 1908 · assessed $283.96/SF
2602 4th Ave, Seattle · 0.1 mi · 22,400 SF · built 1923 · assessed $313.66/SF
2614 4th Ave, Seattle · 0.1 mi · 70,200 SF · built 1979
2721 4th Ave, Seattle · 0.1 mi · 69,590 SF · built 1994 · assessed $397.09/SF
2550 3rd Ave, Seattle · 0.1 mi · 192,077 SF · built 2000 · assessed $302.71/SF

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Sale history and market context

MakeMe Estimate: $58,930,799 (estimated market value), with a likely range of $53,827,652 to $60,817,069 (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 $319K per unit at the midpoint (185 units).

Last sold: 2020-07-13 for $66,454,000 (recorded arm's-length sale).

Current ownership dates to 2020 (about 6 years) per recorded transfers.

2024-10-29: transfer from Alto 92 Owner LP to Alto 92 Owner Sub LLC (non-market transfer), rec. 20241029000514

2020-07-13: $66,454,000 from 311 Cedar Street LLC to Alto 92 Owner LP, rec. 20200713001073

2013-07-18: $61,968,800 from Alto Apartments LLC to 311 Cedar Street LLC, rec. 20130718003309

3 administrative transfers (no consideration), 2010 to 2013

2009-03-02: $4,730,000 from Private party to Harbor Alto LLC, rec. 20090302001489

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 $3,305,800 (2011) to $63,737,000 (2026), up 1828% over 15 years, per county tax rolls. The 2026 roll splits $63,737,000 into $11,829,600 land and $51,907,400 improvements.

Zoning: DMR/R 280/65 (per King County)

Lot: 12,720 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Apartment 137,594 SF; Underground Parking Structure 35,731 SF; Retail Store 3,490 SF (county building sections)

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

Permit history

2024-01-29: Electrical, declared value $29,119 (Screened), permit 7006792-EL

2022-06-15: Remodel, declared value $2,000,000 (Complete), permit 6834008-CN

2013-05-03: Remodel, declared value $60,000 (Screened), permit 6356554

2010-11-18: Building, New, declared value $22,468,731 (Complete), permit 6124652

2010-11-02: Building, New, declared value $635,000 (Complete), permit 6189026

2010-09-21: Demolition (Complete), permit 6189381

2009-10-30: Building, New (Complete), permit 3006557

Source: King County permit records (newest first).