Bill Payment

Martin County Water and Sanitation Districts offers a wide variety of convenient payment options for our customers. Simply choose the option that best suits your needs.

Payment By Mail

If paying by check or money order through the mail, please send all payments with your payment coupon. To avoid late fees, please mail your payment at least five to seven business days before the due date specified on your bill. 

Pay by Phone

If paying by phone please call 1-866-325-8322 and follow instructions. 

Online Bill Payment

If paying your bill Online, just click the green "Pay Your Bill Now" button.  Have your account number handy and follow the prompts. Please note that a third-party processing fee is applied to this type of payment. Please review that information below. 

Schedule A (Web)                                       Payment Amount                                       Service Fee

Payment Type

eCheck                                                         $000.01- $5000.00                                         $2.00

Credit Card/Debit Card                    $000.01- $150.00                                            Residential $2.95

                                                                         $150.01- $5000.00                                         $2.95%

Schedule B (V-Termial) :                          Payment Amount                                       Service Fee

Payment Type

eCheck                                                         $000.01- $5000.00                                         $2.00

Credit Card/Debit Card                    $000.01- $150.00                                            2.75% w/min of $1.75

                                                                         $150.01- $5000.00                                         $2.95%

*NexBillPay accepts all major credit cards, except American Express

Payment Drop-off Location

You may pay your bill in person at our office address. We accept cash, check, or money orders. To avoid longer wait times, please note that Mondays, Fridays and the first day after a holiday are normally very busy. Customers may also use our payment drop box located to the left of the billing office beside the flag pole. If using this type of payment, please refrain from using cash if possible. 

*Any payment received after business hours (Monday - Friday, 8:00AM to 4:00 PM) will be posted the following business day.

Payment Through Financial Institution Online Bill Pay

Many financial institutions such as major banks offer their customers the ability to pay their bills via an online bill payment service (through your bank's website). Normally, these services debit the customer's checking or savings account to pay the bill. Depending on the financial institution, they may or may not charge a fee for the service. Payments may take up to seven business days to post to the customer's account. Please consult with your bank for more information.