NOT FOR SALE
$2,073,785
Last evaluated 1/28/2026
$2,335,465 High Range
$1,685,895 Low Range
Confidence
Score

20459 John Dr Castro Valley, CA 94546

Quadruplex (4 units, any combination) Residence
10 Beds
7 Baths
... Bed/Bath
3,864 Sq. Ft.
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20459 John Dr, Castro Valley, CA is a quadruplex home that contains 3,864 Sq. Ft. sq ft and was built in 1966. It contains 10 bedrooms and 7 bathrooms.
Parcel #
84A-265-1-28
Lot Size
5,700 Sq. Ft.
Property Type
Quadruplex (4 units, any combination)
County
ALAMEDA
Living Area Sq. Ft.
3,864 Sq. Ft.
Year Built
1966
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