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Contact Information
Email: hcmud537@sklaw.us
Phone: (713) 850-9000
Address:
1330 Post Oak Blvd., Ste. 2650
Houston, TX 77056
For water and wastewater related emergencies or questions about your bill please contact Si Environmental, LLC customer service at (281) 807-9500. For legal inquiries and public information requests contact Sandford Kuhl Hagan Kugle Parker Kahn LLP at (713) 850-9000. To contact the board and for all other inquiries, you may use the form below.
Customer Support
Si Environmental, LLC
Attn: Jaison Sanwald
For billing and service requests from 8:30am–5pm Monday–Friday
(281) 807-9500
cyp.customerservice@sienviro.com
After-Hour Emergency
(281) 807-9500