News + Announcements
Join us for a special guided tour at Mt. Diablo Resource Recovery’s Materials Recovery Facility (MRF).
This exclusive behind-the-scenes tour takes you through the full journey of your sorted materials. You will see how your everyday efforts make a big impact as materials are collected, ...
Never Put Sharps in Your Trash or Recycling
If you use needles, lancets, or other sharps at home, please don't place them in your trash or recycling carts. Sharps in any pickup container pose a serious safety risk to our collection and sorting crews.
The good news is there's a free ...
Mt. Diablo Resource Recovery is excited to announce a new free recycling program exclusively for Rio Vista residents. You can now drop off your empty prescription bottles at our Rio Vista office at no charge.
By capturing your empty prescription bottles through our new drop-off program, we ...
Kish Rajan, the CEO of Mt. Diablo Resource Recovery, sat down with Be Curious Contra Costa for an in-depth discussion about waste management. From AI-powered sorting to new regulations, battery fire risks, and MDRR's first-of-its-kind SWEEP Platinum Certification.
▶ Watch Now
Recent recycling data in California can be concerning, but that is not the whole story. Our CEO, Kish Rajan, recently wrote an article for Recycling Today highlighting the reasons for optimism. These include emerging technologies such as AI-powered sorting, California's landmark recycling law ...
Pittsburg, CA - April 7, 2026 - Mt. Diablo Resource Recovery (MDRR), a leading environmental services provider serving more than 300,000 residents in the East San Francisco Bay Area, has been awarded the Solid Waste Environmental Excellence Performance (SWEEP) Platinum Certification—the ...
We're Moving! Effective Monday, June 1, 2026.
Exciting update — the Mt. Diablo Resource Recovery Oakley office and lobby is relocating! Our move to 1070 Laurel Road, Oakley, CA 94561 (the former BAC Bank building) puts us near downtown, with a larger lobby and dedicated parking.
Our last day ...
Mt. Diablo Resource Recovery is proud to celebrate the 15th anniversary of its Give Back Program (GBP). This long-standing community initiative provides annual support to the Food Bank of Contra Costa & Solano.
As part of the program’s 15th anniversary, Mt. Diablo Resource Recovery ...
During this guided Earth Month tour, you’ll go behind the scenes at Mt. Diablo Resource Recovery and gain rare access to areas most people never see. See firsthand how we collect and process materials, and maximize recycling while minimizing landfilling.
What You’ll Experience
Visitors ...
Exciting news! Our community partner, the Contra Costa County Department of Conservation & Development, is offering their annual virtual composting workshop series. Join these free workshops to learn how to turn kitchen food scraps into nutrient-rich compost for use in home gardens and ...
Repair is a powerful way to reduce waste, and we’re proud to team up with Sustainable Contra Costa and the City of Pittsburg for the Pittsburg Repair Workshop.
This free community event promotes reuse, waste reduction, and resource conservation by helping residents repair everyday household ...
Mt. Diablo Resource Recovery has been honored with the 2026 Top Benefits Award from Mployer, an independent organization known for its rigorous, data‑driven evaluation of employer benefit programs across the country.
This recognition places MDRR among the top-performing employers in our ...
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