Utility Billing

Notice: The City of Round Rock Utility Billing office will be closed from 1 to 5 p.m. on Friday, April 30. You may pay your bill at RRTXWater.com or by calling 1-855-894-2392.

Connect Service  Rates and Fees

RRTXWater Logo

Notice: Disconnects for utility non-payment have resumed. If you are a utility customer experiencing hardship due to COVID-19, you may apply for financial assistance through the Round Rock Area Serving Center. Learn more

Payment Methods:

  • Online Payment – You can make a one-time payment or set up auto-pay at RRTXWater.com.
  • Phone – Call the toll-free number at 1-855-894-2392.
  • Online Banking
  • 24 Hour Deposit Boxes – A deposit box is located at the corner of Bagdad Avenue and Sheppard Street at City Hall, 221 E. Main Street, in addition to a freestanding deposit box on the east side of of the building. Check or money orders only.
  • Lobby or Walk-in – Located at City Hall, 221 E. Main Street, from 8 a.m. to 5 p.m. Monday through Friday. Cash payments are accepted.
  • Regular Mail – Mail to Utility Billing, 221 E. Main Street, Round Rock, Texas, 78664.


New Residents

All of the information you need to know when moving to Round Rock is included in the New Resident Guide. The water, wastewater (sewer), drainage utility, garbage and recycling collection services are provided through the City. You can apply for these services at RRTXWater.com. The gas and electric providers are listed below.

Water, Wastewater, Garbage and Recycling City of Round Rock 512-218-5460
Gas Atmos Energy 1-800-460-3030
Oncor* Power to Choose 1-866-797-4839

* Oncor delivers the electricity. Residents choose which provider the services are billed through.

For more information on the utility services listed on your utility bill, please select the appropriate link below.

Want to know what you’re paying for? Watch this quick video about the water service a typical residential water bill covers, and the costs of delivering a consistent, reliable flow of safe and affordable drinking water to your faucet.


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Utility Billing Office
221 E. Main Street
Round Rock, Texas 78664
Phone: 512-218-5460 | Fax: 512-218-5463
Normal business hours are 8 a.m. to 5 p.m., Monday – Friday. Closed on City holidays.