Homes for Sale in Mercer Island, WA

85 homes for sale ยท Updated September 25, 2026

Market snapshot for Mercer Island, WA

Median price
$2,999,988
Average price
$4,431,080
Highest price
$28,000,000
Avg price / sqft
$1,008/sqft
Avg home size
3,917 sqft
Avg days on market
67
Avg year built
1985
Avg beds / baths
4.3 bd / 4.1 ba

Homes by bedrooms

Homes by property type

Homes by price

Homes by neighborhood

Homes by zip code