2400 E Boston St, Seattle, WA 98112

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise mixed-use, 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 AI estimate from public imagery; may be outdated.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 82% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 34,132 SF, King County Assessor
Lot size: 7,700 SF, King County Assessor
Year built: 2016, King County Assessor
Stories: 3, King County Assessor
Predominant use: 3 Story Mixed Use Apartments, King County Assessor
Units: 28, King County Assessor
Assessed value: $7,787,300, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $228.15/SF, derived from assessor records
Lot coverage: 443%, derived from assessor records
Vintage: 2010s vintage
Zoning: NC1-40 (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
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.

2311 24th Ave E, Seattle · 0.1 mi · 5,800 SF · built 1925 · assessed $352.26/SF
2300 24th Ave E, Seattle · 0.1 mi · 20,366 SF · built 1926 · assessed $303.20/SF
1602 E Garfield St, Seattle · 0.5 mi · 9,468 SF · built 1910 · assessed $211.45/SF
1710 E Galer St, Seattle · 0.6 mi · 3,780 SF · built 1908 · assessed $357.94/SF
2410 Boyer Ave E, Seattle · 0.6 mi · 31,682 SF · built 1966 · assessed $325.64/SF
1907 E Highland Dr, Seattle · 0.6 mi · 5,868 SF · built 1928 · assessed $270.28/SF

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Sale history and market context

MakeMe Estimate: $7,559,527 (estimated market value), with a likely range of $6,710,497 to $8,623,318 (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 $270K per unit at the midpoint (28 units).

Current ownership dates to 2010 (about 16 years) per recorded transfers.

2010-10-01: $939,400 from Community Birth & Health LLC to 2200 Boston LLC (part of a 2-parcel sale; price is the whole deal), rec. 20101001000864

2007-02-12: transfer from Community Birth and Health LLC to Seattle City of (non-market transfer), rec. 20070226001273

1997-01-02: $746,000 from RMW Associates to Private party (part of a 2-parcel sale; price is the whole deal), rec. 199701070498

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 $654,500 (2011) to $7,787,300 (2026), up 1090% over 15 years, per county tax rolls. The 2026 roll splits $7,787,300 into $2,502,500 land and $5,284,800 improvements.

Zoning: NC1-40 (M) (per King County)

Lot: 7,700 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Apartment 21,976 SF; Basement, Parking 10,773 SF; Mixed Use Office 1,383 SF (county building sections)

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

Permit history

2025-07-09: Electrical, declared value $840, permit 7095355-EL

2024-06-24: Electrical, declared value $675 (Complete), permit 7032168-EL

2023-10-04: Electrical, declared value $1,000 (Screened), permit 6989552-EL

2016-05-20: Remodel, declared value $205,080 (Complete), permit 6484383

2014-12-01: Building, New, declared value $1,877,776 (Complete), permit 6359106

2007-05-09: Building, New (Complete), permit 3003436

2007-04-19: Demolition (Complete), permit 6074350

1998-05-05: Remodel, declared value $35,000 (Complete), permit 698770

Source: King County permit records (newest first).