3021 21st Ave W, Seattle, WA 98199

Multifamily · Seattle · Seattle-Bellevue metro, WA

One of 5,391 reachable multifamily buildings in Seattle. Larger than 12% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 3,800 SF, King County Assessor
Lot size: 6,000 SF, King County Assessor
Year built: 1967, King County Assessor
Stories: 2, King County Assessor
Predominant use: Four Plex, King County Assessor
Units: 4, King County Assessor
Assessed value: $1,328,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $349.47/SF, derived from assessor records
Lot coverage: 63%, derived from assessor records
Vintage: 1960s vintage
Zoning: LR1 (M), King County
County use code: 4-Plex

Nearby comparable buildings

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

3031 21st Ave W, Seattle · 0 mi · 3,664 SF · built 1966 · assessed $352.07/SF
3023 20th Ave W, Seattle · 0.1 mi · 15,345 SF · built 1991 · assessed $279.24/SF
3052 21st Ave W, Seattle · 0.1 mi · 42,763 SF · built 2007 · assessed $234.50/SF
3019 20th Ave W, Seattle · 0.1 mi · 6,264 SF · built 1977 · assessed $298.69/SF
2110 W Dravus St, Seattle · 0.1 mi · 4,946 SF · built 2015 · assessed $467.45/SF
2863 Thorndyke Ave W, Seattle · 0.1 mi · 7,985 SF · built 1967 · assessed $287.04/SF

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Sale history and market context

MakeMe Estimate: $1,445,764 (estimated market value), with a likely range of $1,283,387 to $1,649,215 (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 $361K per unit at the midpoint (4 units).

Last sold: 2026-05-22 for $1,550,000 (recorded arm's-length sale).

Current ownership dates to 2026 per recorded transfers.

2026-05-26: transfer from Private party to Private party (non-market transfer), rec. 20260526000873

2026-05-22: $1,550,000 from Private party to Private party, rec. 20260526000872

2022-05-25: $1,660,000 from Private party to Private party, rec. 20220531000760

2003-03-25: $495,000 from Private party to Private party, rec. 20030410001127

2000-12-21: transfer from Private party to Private party (non-market transfer), rec. 20010124001508

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 $539,000 (2011) to $1,328,000 (2026), up 146% over 15 years, per county tax rolls. The 2026 roll splits $1,328,000 into $1,009,000 land and $319,000 improvements.

Zoning: LR1 (M) (per King County)

Lot: 6,000 sq ft

Rated views: Territorial

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 3,800 SF (county building sections)

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