Homes for Sale in Castro Valley, CA
57 homes for sale ยท Updated September 25, 2026
Market snapshot for Castro Valley, CA
- Median price
- $950,000
- Average price
- $1,022,593
- Highest price
- $3,380,000
- Avg price / sqft
- $592/sqft
- Avg home size
- 1,756 sqft
- Avg days on market
- 46
- Avg year built
- 1972
- Avg beds / baths
- 3.3 bd / 2.5 ba