This unique property features two separate remodeled homes (one with high end finishes) situated on one expansive lot, offering excellent flexibility for multi-generational living, rental income, or future development potential. Both homes enjoy a prime location within walking distance to Castro Valley Boulevard’s shopping, dining, and everyday conveniences. Commuters will appreciate the easy access to major freeways, making travel throughout the Bay Area simple and efficient. The large lot provides abundant outdoor space for gardening, entertaining, or expansion, while also presenting exciting possibilities for investors or builders seeking to maximize value. Whether you’re looking for a live-in one, rent-the-other setup, extended family housing, or a property with long-term upside, this Castro Valley gem checks all the boxes. Don’t miss your chance to own two homes on one lot in a convenient and desirable location with tremendous further development potential! Check with Alameda County to confirm that the lot supports up to 8 condos or townhomes or if you could do a 5 way lot split and build 3 additional detached separate homes. New central heat and A/C in main house. Both houses have new water heaters.
MLS #
BE41112461
MLS Source
Bay East
Days on Site
42
Appliances
Other
Flooring
Other
Cooling
Air Conditioning - None
Heating
Forced Air, Wall Furnace
Roof
Composition
Garage/Parking
Access - Side Yard, Off-Street Parking, RV/Boat Parking, Garage: Car(s)
Sewer
Public Sewer
Water
Public
Complex Amenities
Other
Listing Agent
Bob Frey
RE/MAX Accord
License #: 01324680
Phone: (510) 220-8459
Co-Listing Agent
Kailani Frey Breitinger
RE/MAX Accord
License #: 02137730
Phone: (510) 566-5442
| # Buildings | # Leased Units | # Total Units | 
|---|---|---|
| – | – | 2 | 
| Unit # | Sq Ft | Beds | Baths | Rent | 
|---|---|---|---|---|
| 1 | 939 | 2 | 0/0 | – | 
| 2 | 650 | 1 | 0/0 | – | 
20378 Stanton Ave is a Residential Income in Castro Valley, CA 94546. This 1,589 square foot property sits on a 0.46 Acres Lot and features – bedrooms & – full bathrooms. It is currently priced at $1,789,900 and was built in 1925. This address can also be written as 20378 Stanton Ave, Castro Valley, CA 94546.
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This listing information is up-to-date as of November 03, 2025. For the most current information, please contact Bob Frey, (510) 220-8459