Utility Customer Services

Utility Customer Services drive-thrus and lobbies are open, M-F, 8 a.m. to 5 p.m. 

New drive-thru drop box will replace existing drive-thru at 630 E Hopkins beginning December 4th, 2023. Utility Billing office for 630 E Hopkins will permanently be closed as of December 15th, 2023. Office lobby, drive-thru and night drop will remain open at 1040 HWY 123 to provide you with continued exceptional customer service. 

Customer service representatives may also be reached by emailing or calling 512-393-8383. Many tasks can also be taken care of through Customer Connect.

The City of San Marcos bills utility accounts monthly based on four weekly cycles. Your account's billing cycle depends on the location of your service address. Specific information regarding your cycle is provided either by email or in person when a move in is processed. For more information please call 512-393-8383.

Utility Assistance Options

The City of San Marcos Utility Customer Service Division provides options to assist utility customers through challenging times. Please review the assistance options below for information on financial assistance, extended payment arrangements, late fees, and disconnections.

Community Action, Inc.

Residents needing financial assistance may visit the Community Action website to complete applications due to COVID-19 related income loss or for other regular utility financial assistance not related to the pandemic.  Applications are available in both English and Spanish and may be completed online, emailed, or dropped off at their office at 215 S. Reimer Avenue, Ste 130, San Marcos.

Priority for financial assistance is given to the lowest percentages of income levels, highest energy burdens, vulnerable individuals 60 years and over, persons with disabilities, families with children five years of age or younger, and veterans. Recipients must also live in Hays, Caldwell, or Blanco Counties.

  1. Utility Assistance Agencies
  2. Extended Payment Arrangements
  3. Donate to Help Others


  1. Late Fees and Disconnections
  2. Customer Payment Options
  3. Additional Service Options

Any changes to the bill date or due date for any month will be shown on your bill statement. Please note that the payments received after the due date printed on your bill statement are accessed a late penalty of 10% of the current balance. Please contact Utility Customer Services if you have any questions 512-393-8333.

Disconnections are not processed on weekends or holidays.

Enroll in REC Program

Stay Vigilant about Potential Fraud

Some customers may be the victim of phone or email scams, especially during the COVID-19 crisis. We urge you to remain vigilant and aware of the potential for people to try to get you to send them money or gift cards, or provide them with your personal information.

Common Sense Steps to Avoiding Scams

Your San Marcos Utility Billing Center will never call you asking for personal information. If you suspect the call is not legitimate, take note of the number then terminate the call immediately.

We do not call customers after normal business hours or on weekends.

If you receive a call demanding payment or telling you they will shut off your services, please terminate the call immediately.

Helpful Phone Numbers

Other Private Utility Companies