Castro Valley, CA - single-family homes for sale

The information being provided by California Regional MLS (Southern California) is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the California Regional MLS (Southern California). CENTURY 21 Classic Estates is not a Multiple Listing Service (MLS), nor does it offer MLS access. This website is a service of CENTURY 21 Classic Estates, a broker participant of California Regional MLS (Southern California). This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information, regardless of source, including but not limited to open house information, square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by California Regional MLS (Southern California) and is protected by all applicable copyright laws. Any unauthorized dissemination of this information is in violation of copyright laws and is strictly prohibited. Copyright 2021 California Regional MLS (Southern California). All rights reserved. CRMLS Member Broker: Sol Almarines

MetroList MLS 2026. This information is being provided by MetroList MLS. All measurements and calculations of area are approximate. Information provided by Seller/Other sources, not verified by Broker. All interested persons should independently verify accuracy of information. Provided properties may or may not be listed by the office/agent presenting the information. Data Updated: July 3, 2026. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Any offer of compensation is made only to Participants of MLS where the subject listing is filed and in accordance with such MLS's regulations or rules. MFMLS Member Broker: Romeo Aurelio

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. Data last updated at July 3, 2026 CAMAXMLS Member Broker: Mike Southwick

The information being provided by San Francisco Association of REALTORS is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the San Francisco Association of REALTORS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information, regardless of source, including but not limited to open house information, square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by San Francisco Association of REALTORS and is protected by all applicable copyright laws. Any unauthorized dissemination of this information is in violation of copyright laws and is strictly prohibited. CABCREIS Member Broker: Romeo Aurelio

The information being provided by Bay Area Real Estate Information Service is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the Bay Area Real Estate Information Service. CENTURY 21 Epic is not a Multiple Listing Service (MLS), nor does it offer MLS access. This website is a service of CENTURY 21 Epic, a broker participant of Bay Area Real Estate Information Service. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information, regardless of source, including but not limited to open house information, square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by Bay Area Real Estate Information Service and is protected by all applicable copyright laws. Any unauthorized dissemination of this information is in violation of copyright laws and is strictly prohibited. Properties in listings may have been sold or may no longer be available. Copyright 2026 Bay Area Real Estate Information Service. All rights reserved. CABAREIS Member Broker: Mike Southwick