Our website features the best real estate search for 4 bathroom properties available in Castro Valley and surrounding areas. It is the only site you will ever need! It is easy-to-use and updated by the official REALTOR®’s database every 15 minutes.
You can save searches, and get daily email alerts of new listings, price changes, sold data, and market reports. Our Interactive Map Search allows you to view properties on a map or refine your search by drawing the boundaries around the area you desire.
Curious about what’s happening in the Castro Valley real estate market? Sign up for a Castro Valley Real Estate Market Report to see what’s active, under contract, and sold!
Considering selling or refinancing your home? Get an INSTANT property valuation now!
Reimagined for modern living with a 4 bedroom, 3 bath main home and 1 bedroom permitted ADU! 18977 Patton has been expanded on, and brought to its exceptional full potent...
Welcome to 16989 Brierly Court, a truly special single story custom home tucked away in the highly desirable Parsons Estates neighborhood of Castro Valley. Offered for th...
Built in 2005 and proudly owned by the original owner, this custom home offers 5 bedrooms, 4 bathrooms, and 3,272 sq. ft. of living space on an 8,193 sq. ft. lot. The spa...
Modern design with a private ADU! This brand-new home offers approximately 1,714 total sq. ft. The main residence features 3 bedrooms and 3 full baths, plus a private-ent...
Two living spaces in one brand-new home! The main residence features 3 bedrooms and 3 full baths, plus a private-entry 1-bedroom, 1-bath ADU with its own kitchen, ideal f...
Brand-new, beautifully finished and designed for flexible living! The main residence features 3 bedrooms and 3 full baths, plus a private-entry 1-bedroom, 1-bath ADU with...
The best deal in Castro Valley! Built in 2025, this 2,062 sq.ft. End unit home offers 4 bedrooms, 3.5 bathrooms, a separate ADU with its own private entrance, and approxi...
A move-in ready single family home with a newly built ADU and fully paid off solar panels. The main house is equipped with a one car garage and 3 bedrooms and 2 bathrooms...
Perfect for multi-generational living, this exceptional east-facing hillside retreat is tucked away on a private 0.89-acre two parcel lot in the highly sought-after Castr...

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 on: