New Diablo Water District Customer Portal now available: online payment options, historical consumption and new features that will be launched soon to help customers manage their water use and bills.  

To pay via phone call: 866-279-7518

Due to the COVID-19 pandemic, our office is closed to the public.  Please use one of our online bill payment solutions or call the office 925-625-3798 to make payment arrangements.

Customer Info

The District is committed to empowering our customers to use online tools for quicker and more efficient customer service.  If you do require additional customer service please call the office and let of our associates guide you through your questions.

Office hours: M - F 8am to 5pm

Emergencies: 24 hours / 7 days per week

Phone: (925) 625-3798