Castro Valley Attractions & Activities - The Best Holiday Destinations for 2020
Castro Valley is an unincorporated town in Alameda County in the Bay Area of California. It has a population of about 50,000 and is located north of Hayward and east of San Leandro and south of the Oakland hills. Since it is unincorporated, Castro Valley is governed by the County of Alameda, which has its county seat in Oakland.
The Most Frequently Asked Travel Questions about Castro Valley