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Payment Options

Please Note: Bills are due by the 18th of every month.

If your service has been disconnected, you may not utilize all the payment options. Cashier's check or Money Order by mail or in person, or a cash payment at the grocery store or Walmart will be required to reconnect service. If payment is made at the grocery store or Walmart, please call the District at 281 392-8112 or MDS at 281 290-6507 with the confirmation number to restore service.


1) Payment by mail.
  • Only check, Money Order, or Cashier's check are accepted as payment.

  • Payment may be mailed to either of two locations.

    • Harris County MUD 81
      805 Hidden Canyon
      Katy, TX. 77450
      ________________________

    • Municipal District Services
      P.O. Box 3150
      Houston, TX. 77253-3150
2) Office payment in person.
  • Only check, Money Order, or Cashier's check are accepted as payment.

  • Payment may be dropped off during business hours at two locations.

    • Harris County MUD 81
      805 Hidden Canyon
      Katy, TX. 77450

      Ph: 281 392-8112
      This office is opened Monday - Friday from 8 am to 2 pm.
      There is a drop box for after-hours payments at this office.
      ________________________

    • Municipal District Services
      406 Grand Parkway S. Ste 260
      Katy, TX 77494

      This office is open Monday - Friday from 8:30 am to 4:30 pm.
3) Payment from your bank
  • You may use your existing at-home internet bill payment service (offered by your bank) to make an electronic payment.

  • Make payment to "Harris County MUD 81" and use the mailing address above. Please include your account number for proper processing.

  • The Customer is not charged any fees by the District for this payment option (There may be fees assessed by your bank).
4) On-line Credit, Debit, or eCheck Payments
  • To pay online with credit card or eCheck, go to mds.firstbilling.com.

  • A charge will be assessed for this service. For Credit or Debit Card, the fee will be $3.50 per transaction if the transaction is less than $300.00, and 2.65% if the transaction is over $300.00. The fee for an eCheck will be $3.50 per transaction.
5) Payment by Phone
  • You may pay by the automated system by calling (855) 337-5451.

  • You may pay with a live representative by calling (855) 270-3592, Monday through Friday, 8:30 am until 4:30 pm.

  • A charge will be assessed for this service. For Credit or Debit Card, the fee will be $3.50 per transaction if the transaction is less than $300.00, and 2.65% if the transaction is over $300.00. The fee for an eCheck will be $3.50 per transaction.
6) Grocery Store Payments
  • Payments are accepted at any Kroger or HEB payment location in the Greater Houston area by presenting payment coupon with the account number. There will be a $1.50 fee per transaction to the service provider.

  • Payments are accepted at any Walmart location at the customer service desk by presenting payment coupon with the account number. There will be a $1.00 fee per transaction for a 3-day delivery or a $1.50 fee per transaction for an overnight delivery.

Please note that fees charged by a service provider are for the administrative costs of providing the services. Harris County Municipal Utility District 81 does not receive any portion of the service fees.

Harris County Municipal Utility District No. 81    •    805 Hidden Canyon Katy, Texas 77450    •     hcmud81@comcast.net     •    281 392-8112