Homes for Sale in Castro Valley, CA
60 homes for sale ยท Updated August 12, 2026
Market snapshot for Castro Valley, CA
- Median price
- $998,944
- Average price
- $1,067,497
- Highest price
- $3,800,000
- Avg price / sqft
- $606/sqft
- Avg home size
- 1,746 sqft
- Avg days on market
- 41
- Avg year built
- 1971
- Avg beds / baths
- 3.2 bd / 2.6 ba