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 the Bethel Island, Knightsen and Brentwood 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

Mt. Diablo Resource Recovery, Bethel Island & Knightsen

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


  • Mt. Diablo Resource Recovery provides pick-up service each week. Please wheel all carts to the curb by 5AM on your day of service and place carts 3 feet apart.
  • Mt. Diablo Resource Recovery will not pick up over-loaded carts.
  • Contra Costa County Ordinance states: It is mandatory to have weekly garbage service and it is the owner’s responsibility for this service. New tenants are required to provide their rental/lease agreement and photo ID to start service. As long as there are no outstanding bills at the property, we will open up an account for your new tenant. However, when there is an outstanding balance, we require the past due balance to be resolved before service will be restarted at the property in the tenant’s name. Otherwise, the service must be started in the property owner’s name. 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.
  • If you have extra garbage, computers, appliances, televisions, or other bulky items, please call Mt. Diablo Resource Recovery at (925) 682-9113 for prices and to schedule a special pickup.