518 N 43rd St, Seattle, WA 98103

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: walk-up 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 AI estimate from public imagery; may be outdated.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 37% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 6,750 SF, King County Assessor
Lot size: 7,500 SF, King County Assessor
Year built: 1963, King County Assessor
Stories: 3, King County Assessor
Predominant use: Apartment, King County Assessor
Units: 10, King County Assessor
Assessed value: $2,410,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $357.04/SF, derived from assessor records
Lot coverage: 90%, derived from assessor records
Vintage: 1960s vintage
Zoning: LR1 (M), King County
County use code: Apartment
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, AI estimate from public imagery
Frontage (observed): corner, AI estimate from public imagery

Nearby comparable buildings

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

4238 Evanston Ave N, Seattle · 0 mi · 9,990 SF · built 1959 · assessed $296.10/SF
4223 Evanston Ave N, Seattle · 0 mi · 11,191 SF · built 1986 · assessed $239.84/SF
4250 Fremont Ave N, Seattle · 0 mi · 10,136 SF · built 1909 · assessed $425.35/SF
4311 Dayton Ave N, Seattle · 0.1 mi · 5,869 SF · built 1972 · assessed $327.14/SF
511 N 43rd St, Seattle · 0.1 mi · 6,800 SF · built 1964 · assessed $304.26/SF
4323 Evanston Ave N, Seattle · 0.1 mi · 31,500 SF · built 1991 · assessed $213.65/SF

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Sale history and market context

MakeMe Estimate: $2,407,098 (estimated market value), with a likely range of $2,136,751 to $2,745,830 (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 $241K per unit at the midpoint (10 units).

Last sold: 2021-11-16 for $2,945,000 (recorded arm's-length sale).

Current ownership dates to 2024 (about 2 years) per recorded transfers.

2024-03-20: transfer from Private party to Seattle Rose Investments LLC (50%) (non-market transfer), rec. 20240320000638

2021-11-16: $2,945,000 from Private party to Private party, rec. 20211201001629

2021-11-16: transfer from Private party to Private party (non-market transfer), rec. 20211201001630

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 $1,125,000 (2011) to $2,410,000 (2026), up 114% over 15 years, per county tax rolls. The 2026 roll splits $2,410,000 into $1,575,000 land and $835,000 improvements.

Zoning: LR1 (M) (per King County)

Lot: 7,500 sq ft

Rated views: Seattle skyline

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 6,750 SF (county building sections)

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