Homes for Sale in Rock Island, WA
10 homes for sale · Updated September 25, 2026
Market snapshot for Rock Island, WA
- Median price
- $487,450
- Average price
- $929,760
- Highest price
- $4,995,000
- Avg price / sqft
- $379/sqft
- Avg home size
- 1,940 sqft
- Avg days on market
- 43
- Avg year built
- 2005
- Avg beds / baths
- 3 bd / 2.7 ba