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 1,805 reachable commercial buildings in Seattle.
Building size (estimated)
22,313 SF, estimated from lot coverage
Lot size
55,782 SF, King County Assessor
Predominant use
Houseboat, King County Assessor
Assessed value
$24,797,000, per the King County Assessor (not a market appraisal)
Zoning
LR2, King County
County use code
Houseboat
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: 1990-05-23 for $1,270,211 (recorded arm's-length sale).
Ownership tenure is not asserted for this parcel: the most recent recorded transfer is a non-market conveyance.
2016: transferred to Mallard Cove Floating Homes Association, no consideration (2 recorded transfers, 2016 to 2016)
2012-02-26: $925,000 from Private party to Private party (non-market transfer), rec. 20120301001624
1990-05-23: $1,270,211 from Mallard Cove Properties to Mallard Cove Floating Homes, rec. 199006041032
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 $8,405,000 (2011) to $24,797,000 (2026), up 195% over 15 years, per county tax rolls. The 2026 roll splits $24,797,000 into $24,795,000 land and $2,000 improvements.