2002 W Grand Pkwy N #100, Katy, Texas 77449
Customer Service: (281) 579-4500, 7:00 AM – 7:00 PM
Emergencies / After-Hours Service: (281) 398-8211, 24/7
Email: MUDCustomerService@Inframark.com

Payment Options

Online: PayMyInframarkBill.com

QR Readers “InstaPay” (Credit/Debit Card or Electronic Check)

In-Person: Checks, Money Order or Cashier’s Check ONLY
2002 West Grand Parkway North, Katy, Texas 77449
(Payment lobby and payment drop box located on the North side of the building.)
Phone: (281) 579-4500 (Select Option 1)
Office Hours: 7:30 AM – 5:00 PM (CST)

Address the envelope and form of payment to Cinco MUD No. 7
P.O. BOX 684000, Houston, Texas 77268

Fiesta Mart Check Free Payment Option (must have copy of your bill)

Auto Draft (please click on “PAY MY BILL” at the top of PayMyInframarkBill.com.)

  • Credit/Debit Card payments, convenience fee of 3% of payment amount
  • Electronic Check, convenience fee of $1.00
  • There is a 24 hr. waiting period to initiate electronic payments for districts requiring startup fee payment prior to service