Customer Account Services

Sherri L. Winslow, DirectorSherri Winslow, Deputy Director of Customer Account Services

Service and Information

P.O. Box 4863 / Houston, TX 77210-4863
Phone: 713.371.1400

You Can Pay Your Water Bill Online!


Customer Account Services (CAS) provides customer information, billings, credit, collections, and all meter-associated services to water and wastewater utility customers within the City of Houston.  Customer Account Services also provides wholesale water services to many nearby towns and utility districts.

Customer Account Services provides these services to approximately 2.1 million residents in Houston, generating over $600 million in gross revenue. The funds generated by Customer Account Services are used to support and maintain the city's water and wastewater systems.

Our goal is to consistently meet the expectations of every customer by offering outstanding customer service, increased flexibility, greater value, and improved operational efficiency. The City  of Houston was the first major city in the U.S. to use in ground automated water meter reading (AMR) technology. Utility company managers from all over the country come to Houston to inspect our state-of-the-art payment processing equipment and our Automatic Meter Reading Program.

Customers can pay their utility bills online at and email us at, or call 713.371.1400 between 8:00 am and 7:00 pm Monday through Friday.