Homes for Sale in Castlerock, WA

19 homes for sale · Updated October 15, 2026

Market snapshot for Castlerock, WA

Median price
$634,777
Average price
$778,846
Highest price
$2,500,000
Avg price / sqft
$360/sqft
Avg home size
2,028 sqft
Avg days on market
116
Avg year built
2000
Avg beds / baths
3.1 bd / 2.4 ba

All homes for sale in Castlerock