Payments are now accepted at the Si Environmental, LLC Humble office location.
Address: 7702 FM 1960 East, Ste. 100, Humble, TX, 77346
Office Hours: Monday-Friday, 9:00 a.m. to 4:30 p.m.
For convenience, there is a drop slot for after after-hours payment to the right of the front door. No cash is accepted