4 Bedroom Homes in Castro Valley, CA

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8 of 78 Listings

Thomas O'Leary

Realty.com

Lic. #01840925

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Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

4 Bedroom Homes in Castro Valley, CA: 78 active listings as of October 28, 2026, 21:55 UTC.

Property types among these 78 listings, by the property type each listing’s MLS reports, spelled as the MLS spells it. Types with fewer than 5 listings, and listings whose MLS reports no type, are not shown, so the shares can total less than 100%.
Property type	Listings	Share
Single Family Residence	57	73.1%
Townhouse	21	26.9%