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

What do I do with:



Unocal 76 - Castro Valley - 2445 Castro Valley Blvd.

Due to COVID-19, facilities, programs, and businesses may have modified operations or be temporarily closed – call first.

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.
  • Paid Drop-off
  • Safe Disposal
Batteries - Automotive or Boat
  • Free Drop-off
  • Recycle
Motor Oil Small fee applicable.
  • Paid Drop-off
  • Recycle
Oil Filters Small fee applicable.
  • Paid Drop-off
  • Recycle
Tires Small fee applicable per tire.
  • Paid Drop-off
  • Recycle

Questions? Comments?   We're here to help!      Get in touch!

Brought to you by A public agency reducing waste in Alameda County since 1976.

Grab the mobile apps for answers on the go:

Download on the App Store
Get it on Google Play