Ways to Pay Your Tax Bill

Payments by Mail or 24-Hour Depository Box

  • Include both copies of the tax bill
  • Enclose a self-addressed, stamped envelope for a mailed receipt
  • Include your telephone number in case of questions
  • Make check payable to: City of South Milwaukee
  • Be sure all escrow checks are properly endorsed

24-Hour Depository Box

The depository box is located on the wall of City Hall facing 15th Avenue, just north of the main doors. Avoid waiting in a long line and deposit your payment (checks only - no cash) anytime during regular business hours or after the office is closed. The box is opened and emptied daily, Monday through Friday.

For 2020 credit, tax payments must be deposited in box on or before December 31, 2020.

Mailed Payments

To be considered timely, payment must be received or postmarked by the U.S. Postal Service on or before the tax installment due date. Mail tax payments to:
City of South Milwaukee
P.O. Box 367
South Milwaukee, WI 53172

Payments at City Hall

The Treasurer’s office is open Monday through Friday from 7:30 am to 4 pm with the exception of holidays.

  • Bring both copies of the tax bill with you. One copy is retained by the City Treasurer’s office and one copy will be receipted and returned to you for your records.
  • Please have all checks made out ahead of time to help keep the lines moving.
  • Make check payable to: City of South Milwaukee.
  • If your escrow check exceeds the taxes due, a refund check will be mailed to you in approximately two to three weeks. For an immediate refund by check, you may pay your taxes at Tri-City National Bank in South Milwaukee, or contact your mortgage company to see if they will reissue your payment as two separate checks - one to the City of South Milwaukee for the total taxes due, and one to you for the difference.
  • Please Note: We do not accept payment by debit or credit card at City Hall. You must use the services of Official Payments Corporation to pay with a card.

Payments by Credit or Debit Card Online or by Telephone Only

Tax payments may be made using your VISA, MasterCard or Discover credit card, Visa or MasterCard debit card, or e-Check through Official Payments Corporation (OPC). A convenience fee is charged to you by OPC for using this service, based on the amount of the transaction. Call 800-272-9829 (1-800-2PAYTAX) or visit Official Payments and enter jurisdiction code 5842.

Official Payments Corporation will provide the total fee amount to be charged prior to your acceptance of the transaction, along with a confirmation number when the transaction is completed.

Payments at the South Milwaukee Offices of Tri-City National Bank Through January 31 Only

  • The tax bill must be paid in full (No installments or partial payments)
  • You must bring both copies of the tax bill with you in order to pay at the bank.
  • A refund check will be issued by Tri-City National Bank at the time of payment for escrow checks that exceed the taxes due.

Tri-City South Milwaukee Office Locations

  • Tri-City National Bank - 2115 10th Avenue

Payments at the South Milwaukee Office of BMO-Harris Bank Through January 31 Only

  • The tax payment must be for the exact amount of the tax bill - no refunds for escrow overpayments per bank’s policy.
  • You must bring both copies of the tax bill with you in order to pay at the bank.

BMO-Harris South Milwaukee Office Location

  • BMO Harris Bank - 1001 Marquette Avenue