1017 Boren Ave, Seattle, WA 98104

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 AI estimate from public imagery; may be outdated.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 89% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 51,900 SF, King County Assessor
Lot size: 14,400 SF, King County Assessor
Year built: 1925, King County Assessor
Stories: 5, King County Assessor
Predominant use: Chassleton Apts, King County Assessor
Units: 62, King County Assessor
Assessed value: $8,897,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $171.43/SF, derived from assessor records
Lot coverage: 360%, derived from assessor records
Vintage: pre-war vintage
Zoning: MIO-240-HR (M), King County
County use code: Apartment
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): surface lot, 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.

1001 Minor Ave, Seattle · 0.1 mi · 235,046 SF · built 2017 · assessed $257.41/SF
1019 Terry Ave, Seattle · 0.1 mi · 58,503 SF · built 1924 · assessed $278.86/SF
1000 Minor Ave, Seattle · 0.1 mi · 236,148 SF · built 2012 · assessed $379.14/SF
1205 Spring St, Seattle · 0.1 mi · 24,840 SF · built 1905 · assessed $191.71/SF
1020 Seneca St, Seattle · 0.1 mi · 52,620 SF · built 1925 · assessed $243.42/SF
1100 Minor Ave, Seattle · 0.1 mi · 132,024 SF · built 1997 · assessed $135.91/SF

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Sale history and market context

MakeMe Estimate: $10,243,006 (estimated market value), with a likely range of $9,356,006 to $10,570,866 (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 $165K per unit at the midpoint (62 units).

Current ownership dates to 2006 (about 20 years) per recorded transfers.

2006-02-13: $23,995,500 from Mad Boar Investments LLC to 1000 Madison LLC (part of a 4-parcel sale; price is the whole deal), rec. 20060217000514

3 administrative transfers (no consideration), 1993 to 1998

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 $2,986,500 (2011) to $8,897,000 (2026), up 198% over 15 years, per county tax rolls. The 2026 roll splits $8,897,000 into $4,140,000 land and $4,757,000 improvements.

Zoning: MIO-240-HR (M) (per King County)

Lot: 14,400 sq ft

Nuisance flags: Traffic noise

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Apartment 51,900 SF (county building sections)

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