6537 Oswego Pl NE, Seattle, WA 98115

Multifamily · Seattle · Seattle-Bellevue metro, WA

One of 5,391 reachable multifamily buildings in Seattle. Larger than 25% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 5,290 SF, King County Assessor
Lot size: 7,800 SF, King County Assessor
Year built: 1950, King County Assessor
Stories: 2, King County Assessor
Predominant use: 11 Unit Apartment, King County Assessor
Units: 11, King County Assessor
Assessed value: $2,128,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $402.27/SF, derived from assessor records
Lot coverage: 68%, derived from assessor records
Vintage: 1950s vintage
Zoning: LR3 RC (M), King County
County use code: Apartment
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): surface lot, 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.

546 NE Ravenna Blvd, Seattle · 0 mi · 11,459 SF · built 1988 · assessed $310.59/SF
537 NE Ravenna Blvd, Seattle · 0.1 mi · 3,216 SF · built 1987 · assessed $462.69/SF
539 NE Ravenna Blvd, Seattle · 0.1 mi · 3,824 SF · built 1971 · assessed $373.17/SF
500 NE 65th St, Seattle · 0.1 mi · 18,432 SF · built 1930 · assessed $368.12/SF
6527 5th Ave NE, Seattle · 0.1 mi · 2,966 SF · built 1962 · assessed $441/SF
6806 Oswego Pl NE, Seattle · 0.1 mi · 9,100 SF · built 1987 · assessed $277.14/SF

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Sale history and market context

MakeMe Estimate: $2,063,182 (estimated market value), with a likely range of $1,831,461 to $2,353,517 (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 $188K per unit at the midpoint (11 units).

Last sold: 2018-04-18 for $2,360,000 (recorded arm's-length sale).

Current ownership dates to 2018 (about 8 years) per recorded transfers.

2018-04-18: $2,360,000 from 6537 Oswego LLC to Private party, rec. 20180420000814

2016-05-06: $1,893,800 from Private party to 6537 Oswego LLC, rec. 20160510001316

2006-05-09: $1,034,000 from Oswego Apartments LLC to Private party, rec. 20060519000176

2003-08-26: $689,000 from Private party to Oswego Apartments LLC, rec. 20030902001381

1995-11-09: $450,000 from Private party to Private party (non-market transfer), rec. 199511151133

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 $1,102,000 (2011) to $2,128,000 (2026), up 93% over 15 years, per county tax rolls. The 2026 roll splits $2,128,000 into $1,950,000 land and $178,000 improvements.

Zoning: LR3 RC (M) (per King County)

Lot: 7,800 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 5,290 SF (county building sections)

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