The City of Fullerton, California, provides convenient options to pay your water and utility bills, including fast one-time (guest) payments through the online self-service portal, automatic payments, phone payments, mail, and in-person service at City Hall.
- Customers can make one-time payments and manage their accounts through the official City of Fullerton Citizen Self Service portal. For complete and current payment options, visit the Pay Utility Online page at https://www.cityoffullerton.com/government/departments/administrative-services-finance/utility-services/pay-utility-online.
- You can also access the main Utility Services page at https://www.cityoffullerton.com/government/departments/administrative-services-finance/utility-services.
One-Time / Guest Payment Online (No Full Recurring Setup Required)
The City of Fullerton offers a convenient one-time payment option through its Citizen Self Service portal. This allows quick payments without enrolling in automatic recurring payments.
How to make a one-time (guest) payment:
- Go to the Citizen Self Service portal at https://www.cityoffullerton.com/munisselfservice.
- Register or sign in using your customer and account numbers from your bill (or use the one-time payment option if available without full registration).
- Select your account and enter the payment amount.
- Pay securely with a credit or debit card (Visa, MasterCard, or Discover).
This option is ideal for fast, occasional payments. Note that eCheck payments are not accepted through the online portal.
Full Online Account Portal & Auto Pay
For full account management, register or log into the Citizen Self Service portal.
Key features include:
- View and pay current or past bills
- Set up Auto Pay (automatic recurring payments)
- Enroll in paperless/e-billing
- Request start/stop service
- View billing history and usage
Auto Pay is available through the portal for convenient monthly payments.
Pay by Phone
Make secure payments using the automated phone system.
- Call (877) 768-8795 (available 24/7)
- Have your Customer ID and Account Number ready
- Pay with check or credit/debit card
For assistance during business hours, call Utility Services at (714) 738-6890.
Pay In Person
You can pay your utility bill in person at City Hall.
Location: City Hall – Central Cashier (1st Floor) 303 W. Commonwealth Ave. Fullerton, CA 92832
Hours: Monday – Thursday: 7:30 a.m. – 5:00 p.m. Every other Friday: 7:30 a.m. – 4:00 p.m. (Closed every other Friday)
Accepted payments: Cash, checks, debit, and credit cards.
After-hours option: A payment drop box is located on the north side of City Hall for after-hours payments.
Pay by Mail
Mail your payment with the remittance stub from your bill.
- Make checks or money orders payable to City of Fullerton
- Include your account number on the check
- Mail to: City of Fullerton PO Box 45850 San Francisco, CA 94145-0850 (Payment Mailing Address for Utility Billing Only)
Allow extra time for mail delivery and processing.
Contact Utility Services Customer Service
For billing questions, payment issues, start/stop service, or assistance:
- Phone: (714) 738-6890 (business hours)
- 24/7 Payment Line: (877) 768-8795
- Address: Utility Services Division, City Hall, 303 W. Commonwealth Ave., 1st Floor, Fullerton, CA 92832
Staff can help with payment arrangements and account-specific questions.
Frequently Asked Questions
Can I pay my Fullerton water bill without creating a full online account?
Yes. Use the one-time payment (guest pay) option through the Citizen Self Service portal at https://www.cityoffullerton.com/munisselfservice by entering your account details.
Where can I pay my Fullerton utility bill in person?
Pay in person at City Hall, 303 W. Commonwealth Ave., 1st Floor, Central Cashier, Fullerton, CA 92832. Hours are Monday–Thursday 7:30 a.m.–5:00 p.m. and every other Friday 7:30 a.m.–4:00 p.m. Cash, checks, and cards are accepted. A drop box is available on the north side for after-hours payments.
What is the mailing address for Fullerton utility payments?
Mail payments to: City of Fullerton, PO Box 45850, San Francisco, CA 94145-0850. Include your account number on the check.
How do I set up automatic payments?
Log into the Citizen Self Service portal at https://www.cityoffullerton.com/munisselfservice and enroll in Auto Pay for automatic recurring payments.
Is there a fee for paying by credit card or phone?
Convenience fees may apply for credit/debit card payments (check the portal or phone system for current rates). Confirm details before completing your transaction.
What should I do if I need help paying my bill?
Contact Utility Services at (714) 738-6890 during business hours or explore payment assistance options through your online account or the City’s website.