Mt. Diablo Resource Recovery specializes in providing solid waste, recycling and yard waste services designed to recover, recycle and reuse as much material as possible to benefit the environment and keep renewable items out of the landfill.

As the collection and recycling company for Bethel Island, Brentwood, and Knightsen in Contra Costa County. Mt. Diablo Resource Recovery, owned by the Garaventa family, is one of the only remaining family-owned recycling and resource recovery companies in Northern California. We are honored to be part of the community and we are here to serve you!

It is our goal to collect, recover, recycle and reuse as much material as possible to keep renewable items out of the landfill.

Can we count on your help?

Visit Mt. Diablo Resource Recovery Park’s Education Center where we provide free tours of the Park, education lessons for kids, summer camps and more. For more information, please contact [email protected]

Mt. Diablo Resource Recovery, Bethel Island, Brentwood & Knightsen

85 Carol Ln, Oakley, CA 94561
(925) 682-9113

Office business hours are Monday through Friday from 8 AM to 5 PM.
Please note our offices are closed from 12-1 for lunch.

[email protected]

Customer Support


  • Contra Costa County Ordinance states: It is mandatory to have weekly garbage service, and the owner is responsible for this service. New tenants are required to provide their rental/lease agreement and photo ID to start service. We are basing these policies on the contra Costa County Code, Chapter 418-6 requires by law to subscribe with a collector for collection and disposal of solid waste.