Municipal Utility Services (MUS)

The City of Santa Ana Treasury Division administers Municipal Utility Services (MUS). The MUS office is open Monday through Thursday 7:30 am to 5:30 pm and on alternating Fridays from 8:00 am to 5:00 pm. The MUS office is closed every other Friday and legal holidays. The office telephone lines are open from 8:00 am to 5:00 pm. To contact the Municipal Utility Services office during office hours please call (714) 647-5454.  For emergency water service outside of normal business hours please call (714) 953-8026.

MUS includes basic service charge, water consumption, utility users’ tax, refuse, sanitation, and sewer service charge.

Get services

Make a one-time payment

Don't want to register to create an account at this time? That's ok. Click on the link above to submit a one-time payment.

Create an online MUS account

Create an online MUS account to set up options such as Auto Pay, Make a Payment, View Billing and Payment History.

Log in to your MUS account

If you've already created an online MUS account then you can log in here.

Bank account information

How to find your checking account information

Sample check pointing out routing number, account number and check number.

  • Please verify that you are using the correct Routing Number and Checking Account Number for payment.
  • If the electronic check payment is returned for any reason, then you will be charged a Return Check Fee of $25.00 for the first return or $35.00 for subsequent returns.

Additional information

Residential Water Service Discontinuation Policy

Read the Residential Water Service Discontinuation Policy in English, Spanish, Vietnamese, Tagalog, Korean, and Chinese.

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