The City of Martinez owns and operates its own treatment plant that supplies water serving over 10,000 customers. You can view and pay their water bill online using this service.

To pay your bill online, you will need your Account Number & Customer ID. 


What is the billing cycle for water bills in the City of Martinez?

The City of Martinez Water Billing is done Bi-monthly with bills generated on the 12th, 19th and 26th of each month. Commercial customers with large meters are billed monthly. 

What are my options to pay water bills in Martinez, CA?

You have the following options to pay for your water bill in the City of Martinez (CA):

  • Pay in Person: You can make in-person payments during business hours payments by cash, check or credit card on the second floor of City Hall located at 525 Henrietta Street.

    You can also deposit a check in the dropbox located outside the City Hall.
  • Pay by mail: You can mail a check for paying your water bill to 525 Henrietta Street, Martinez, CA 94553
  • Pay Online: You can pay by credit card using the online payment by clicking PAY NOW button above.