Guide for Reuse, Repair, Recycling, and Safe Disposal
for Alameda County, Contra Costa County, and the City of Palo Alto

Unocal 76 - Castro Valley - 2445 Castro Valley Blvd.

Information is constantly changing! Call ahead to verify hours and availability.

Unocal 76

2445 Castro Valley Blvd., Castro Valley, California 94546
(510) 581-6700

M-Sa 8-5:30

Item Notes Method Destination
Antifreeze Small fee applicable.
  • Drop-off for a Fee
  • Safe Disposal
Batteries - Automotive or Boat
  • Free Drop-off
  • Recycle
Tires Small fee applicable per tire.
  • Drop-off for a Fee
  • Recycle
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