3801 E Mercer Way, Mercer Island, WA 98040

Commercial · Mercer Island · Seattle-Bellevue metro, WA

One of 25 reachable commercial buildings in Mercer Island. Larger than 76% of commercial buildings in Mercer Island (median 35,785 SF), derived from assessor records.

Usable building area
88,362 SF, King County Assessor
Lot size
341,071 SF, King County Assessor
Year built
1969, King County Assessor
Stories
2, King County Assessor
Predominant use
Sport Facility, King County Assessor
Assessed value
$36,636,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$414.61/SF, derived from assessor records
Usable area / lot
0.26, derived from assessor records
Vintage
1960s vintage
Zoning
R-8.4, King County
County use code
Sport Facility

Nearby comparable buildings

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

This looks like a public or civic asset. We show assessor facts only and do not invite private offers here.

Sale history and market context

Ownership tenure is not asserted for this parcel: the most recent recorded transfer is a non-market conveyance.

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$0$10M$20M$30M$40M201120142017202020232026$36.6MCounty assessed value

Dark line: county assessed value per King County tax rolls.

Land, site, and value history

Assessed value moved from $14,142,200 (2011) to $36,636,000 (2026), up 159% over 15 years, per county tax rolls. The 2026 roll splits $36,636,000 into $10,914,200 land and $25,721,800 improvements.

Taxes

Permit history

Source: King County permit records (newest first).