Utility Billing

The City of San Marcos Utility Customer Service Lobbies located at 1040 Highway 123 and at 630 E. Hopkin will be closed to the public effective March 19, 2020.

The drive-through stations at both locations will be open between 9 a.m. – 2 p.m. Monday - Friday to accept utility payments.

The Utility Customer Service night-drop payments will continue to be processed Monday – Friday as normal.

Utility Customer Service Phone Line 512.393.8383 (8 a.m. – 5 p.m. Monday – Friday): Customer service representatives are available to discuss account information, payment arrangements, and any other utility customer service issue.

Other Payment Options:

Utility Web Options:


Automated telephone line: 512.393.8383

HEB Business Centers:

  • 641 E. Hopkins 11 a.m. - 5 p.m., Monday - Saturday
  • 200 W. Hopkins 10 a.m. - 7 p.m., Monday - Friday
  • 11 a.m. - 5 p.m., Saturday & Sunday

By Mail: 636 E. Hopkins

San Marcos, TX 78666

Utility service connection and disconnections can be handled online

Utility Web Options: Customer Connect  or via email at utility_billing@sanmarcos.gov

Utility Forms: Online Document Forms

Email: utility_billing@sanmarcos.gov

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