When the Pay by Phone or Online Payment system is down, please utilize other payment options (Personal Check, Money Order or Cashier’s Check).
This can be dropped off or mailed to the office. Located in front of the Water Office at 903 Hollywood St, Houston, TX 77015.
Please place in the Drop Box, located on the wall.
Online Billpay
To register your account online or to pay your bill, click here
To learn about our payment app. Click here: Billing App
When the Pay by Phone or Online Payment system is down, please utilize other payment options (Personal Check, Money Order or Cashier’s Check).
This can be dropped off or Mailed to the office.
Customer Support
For billing, service requests and other inquiries use the following:
Pay By Phone Number: (832) 271-2934
General Customer Service Number: (713) 453-5493
For general phone inquiries, please contact our Customer Service department Monday through Friday from 8:00 a.m. to 5:00 p. m., with the exception of holidays.
Our payment hours are:
Main Office (LOBBY IS CLOSED)
903 Hollywood St.
Houston, Texas 77015
Phone: 713 - 453 - 5493
Monday through Friday from 8:00 a.m. to 5:00 p.m.
For after-hour emergencies, please contact our dispatch team at 713-453-5493.
CONFIDENTIALITY
To protect your sensitive account information and follow the Texas Public Information Act and Chapter 182 of the Texas Utilities Code, all Harris County WCID No. 36 utility account records are kept confidential.
If you’d like to add or remove someone as an authorized contact on your account, please email your request along with a copy of your ID (account holder) to customerservice@hcwcid36.com. This will let our team share account information with the person you designate.

