NOT FOR SALE
$1,077,429
Last evaluated 1/28/2026
$1,400,657 High Range
$754,200 Low Range
Confidence
Score

20540 Forest Ave Castro Valley, CA 94546

Duplex (2 units, any combination) Residence
4 Beds
2 Baths
... Bed/Bath
2,058 Sq. Ft.
map pin Google Map static image of property
Static Map
Interactive Map
20540 Forest Ave, Castro Valley, CA is a duplex home that contains 2,058 Sq. Ft. sq ft and was built in 1936. It contains 4 bedrooms and 2 bathrooms.
Parcel #
84C-713-9-1
Lot Size
15,213 Sq. Ft.
Property Type
Duplex (2 units, any combination)
County
ALAMEDA
Living Area Sq. Ft.
2,058 Sq. Ft.
Year Built
1936
megaphone icon

See How Much You Could Save

Thinking about buying or selling? Talk to one of our Mortgage Professionals today to see how much you could save on your next home. Call us at 833-981-2030.

Let's Talk
Evaluate Your Home Refinance