Castro Valley, CA

    Castro Valley is a census-designated place in Alameda County, California, United States. At the 2010 census, it was the fifth most populous unincorporated area in California and the twenty-third most populous in the United States. The population was 66,441 at the 2020 census.
    • Elevation: 161 ft (49 m)
    • Country: United States
    • State: California
    • County: Alameda
    • ZIP codes: 94546, 94552, 94541,
    • Area code(s): 510, 341
    • FIPS code: 06-11964

    Nearby

    • Castro Valley Ca | The 10 Best Hotels

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      4/5 (11K reviews)

    • All Castro Valley Homes for Sale

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      AdSearch homes, condos, townhomes & properties for sale in California. Find your CA dream home today!
      Types: Single Family Homes, Condos, Townhouses, Homes, Houses, Foreclosed Homes
    Data from: en.wikipedia.org