4200 S Webster St, Seattle, WA 98118

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 well maintained. AI estimate from public imagery; may be outdated.

One of 5,391 reachable multifamily buildings in Seattle. Larger than 52% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 9,880 SF, King County Assessor
Lot size: 12,423 SF, King County Assessor
Year built: 1958, King County Assessor
Stories: 2, King County Assessor
Predominant use: Rex Apts, King County Assessor
Units: 20, King County Assessor
Assessed value: $3,517,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $355.97/SF, derived from assessor records
Lot coverage: 80%, derived from assessor records
Vintage: 1950s vintage
Zoning: NC3P-95 (M2), King County
County use code: Apartment
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

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

7500 Renton Ave S, Seattle · 0 mi · 11,842 SF · built 1959 · assessed $304.09/SF
4013 S Webster St, Seattle · 0.1 mi · 7,030 SF · built 2005
7523 Martin Luther King Jr Way S, Seattle · 0.1 mi · 10,298 SF · built 2005
4219 S Othello St, Seattle · 0.1 mi · 387,971 SF · built 2010 · assessed $235.25/SF
7500 40th Ave S, Seattle · 0.1 mi · 13,340 SF · built 2005
7536 Renton Ave S, Seattle · 0.1 mi · 8,207 SF · built 1967 · assessed $306.69/SF

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Sale history and market context

MakeMe Estimate: $3,573,388 (estimated market value), with a likely range of $3,172,051 to $4,076,242 (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 $179K per unit at the midpoint (20 units).

Last sold: 2022-09-30 for $3,208,250 (recorded arm's-length sale).

Current ownership dates to 2022 (about 4 years) per recorded transfers.

2022-09-30: $3,208,250 from Rex Apartments LLC to 4200 Webster Qozb LLC, rec. 20221004000188

2020-04-01: $23,000 from Rex Apartments LLC to Othello Park Development LLC, rec. 20201009001122

2007-01-09: transfer from Private party to Rex Apartments LLC (non-market transfer), rec. 20070111001177

1996-08-05: $470,000 from Private party to Private party, rec. 199608090539

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 $766,000 (2011) to $3,517,000 (2026), up 359% over 15 years, per county tax rolls. The 2026 roll splits $3,517,000 into $2,111,900 land and $1,405,100 improvements.

Zoning: NC3P-95 (M2) (per King County)

Lot: 12,423 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) 9,880 SF (county building sections)

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