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Questions or Comments:

Austin Headquarters Address Information

Street and mailing addresses, and number for main switchboard.

Main Switchboard:

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

Physical Address:
TCEQ, 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.