10550 Midvale Ave N, Seattle, WA 98133

Multifamily · 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 serviceable with visible wear. AI estimate from public imagery; may be outdated.

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

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Building size: 3,072 SF, King County Assessor
Lot size: 7,350 SF, King County Assessor
Year built: 1959, King County Assessor
Stories: 2, King County Assessor
Predominant use: 4 Plex, King County Assessor
Units: 4, King County Assessor
Assessed value: $1,049,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $341.47/SF, derived from assessor records
Lot coverage: 42%, derived from assessor records
Vintage: 1950s vintage
Zoning: LR3 (M), King County
County use code: 4-Plex
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.

10555 Midvale Ave N, Seattle · 0 mi · 2,952 SF · built 1971 · assessed $358.06/SF
10532 Midvale Ave N, Seattle · 0 mi · 7,882 SF · built 1977 · assessed $274.17/SF
10541 Stone Ave N, Seattle · 0 mi · 20,980 SF · built 1984 · assessed $194.33/SF
10551 Midvale Ave N, Seattle · 0 mi · 6,978 SF · built 1986 · assessed $184.72/SF
10557 Stone Ave N, Seattle · 0 mi · 5,220 SF · built 1983
10539 Midvale Ave N, Seattle · 0 mi · 5,184 SF · built 1986 · assessed $274.50/SF

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Sale history and market context

MakeMe Estimate: $1,112,880 (estimated market value), with a likely range of $987,890 to $1,269,487 (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 $278K per unit at the midpoint (4 units).

Last sold: 2012-09-11 for $535,000 (recorded arm's-length sale).

Current ownership dates to 2012 (about 14 years) per recorded transfers.

2012-09-11: $535,000 from Private party to Private party, rec. 20120912002108

2001-07-30: $384,000 from Private party to Private party, rec. 20010802001880

1997-12-11: $279,000 from Private party to Private party, rec. 199712151369

1993-10-02: $259,950 from Private party to Private party, rec. 199310071416

1992-03-10: $175,000 from Private party to Private party, rec. 199203190240

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 $515,500 (2011) to $1,049,000 (2026), up 103% over 15 years, per county tax rolls. The 2026 roll splits $1,049,000 into $992,000 land and $57,000 improvements.

Zoning: LR3 (M) (per King County)

Lot: 7,350 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) 3,072 SF (county building sections)

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