Regional Offices Statewide
For the Hearing Impaired (TDD):
8:00 a.m. to 5:00 p.m., Mon. thru Fri. (except holidays)
Contact Name, Mail Code
P.O. Box 13087
Austin, TX 78711-3087
- Use for regular and certified mail.
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