Multifamily · Mercer Island · Seattle-Bellevue metro, WA
County valuation incomplete: County building evidence or valuation-model support is incomplete here, so this page shows county public facts and private owner claim tools without a MakeMe Estimate.
One of 29 reachable multifamily buildings in Mercer Island.
Building size (estimated)
7,631 SF, estimated from lot coverage
Lot size
12,718 SF, King County Assessor
Predominant use
Apartment(mixed Use), King County Assessor
Assessed value
$2,797,900, per the King County Assessor (not a market appraisal)
Zoning
TC, King County
County use code
Apartment(Mixed Use)
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
County building evidence or valuation-model support is incomplete here, so this page shows county public facts and private owner claim tools without a MakeMe Estimate.
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Last sold: 2003-12-02 for $2,000,000 (recorded arm's-length sale).
Current ownership dates to 2008 (about 18 years) per recorded transfers.
2008-07-03: $112,084,900 from One Island Square LLC to Island Square Newco LLC (part of a 2-parcel sale; price is the whole deal), rec. 20080707001032
2004-03-31: transfer from Christ I LLC to One Island Square LLC (non-market transfer), rec. 20040402000738
2003-12-02: $2,000,000 from Mercer Island LLC+Spencer Malone Partnership to Christ I LLC, rec. 20031202001884
1994-12-28: $435,200 from Private party to Private party (non-market transfer), rec. 199412301592
1994-12-28: transfer from Private party to Private party (non-market transfer), rec. 199412301591
Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.
Value over time
Dark line: county assessed value per King County tax rolls. Diamonds: recorded arm's-length sales.
Land, site, and value history
Assessed value moved from $1,271,800 (2011) to $2,797,900 (2026), up 120% over 15 years, per county tax rolls. The 2026 roll splits $2,797,900 into $2,797,900 land and $0 improvements.