Customer Service
We’re here to help!
At Mt. Diablo Resource Recovery, we are your essential environmental partner. We are committed to providing exceptional customer support and quality service. So if you have questions about your service or other waste-related questions, just ask.
Frequently Asked Questions
If you have questions, we have answers!
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Residential
Commercial
General Questions
Visit your local Mt. Diablo Resource Recovery office
Office business hours are Monday through Friday from 8 AM to 5 PM. Please note, our offices are closed from 12-1 for lunch.
Walk-in payments are accepted during regular business hours or drop-off payments anytime using the secure payment lockbox available at each office.
- Concord – 4080 Mallard Dr, Concord, CA 94520
- Pittsburg – 555 California Ave, Pittsburg, CA 94565
- Oakley – 85 Carol Ln, Oakley, CA 94561
- Rio Vista – 100 Main St, Rio Vista, CA 94517