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Contact Us

Phone numbers, addresses, online commenting, and more ways you can contact us at the TCEQ.

Program Directories

Permitting and Compliance
Environmental Quality and Cleanup
Administration and Support

Regional Offices Statewide

TCEQ Headquarters

Main Switchboard:

For the Hearing Impaired (TDD):

Office Hours:
8:00 a.m. to 5:00 p.m., Mon. thru Fri. (except holidays)

Mailing Address:
Contact Name, Mail Code
P.O. Box 13087
Austin, TX 78711-3087
- Use for regular and certified mail.

Physical Address:
Contact Name, Building Letter
12100 Park 35 Circle
Austin, TX 78753
- Use for express carrier deliveries (U.S. Post Office Express Mail, FedEx, UPS, etc.).
- Please call your TCEQ contact to determine the exact building location before sending to the physical address.

Austin offices street map

Security procedures for visitors to the TCEQ

Express Links

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