Tax Due Dates
Property tax shall be paid in one of the following ways:
- In full on or before January 31st to the local municipality.
- In 2 installments, as indicated on the tax bill, with the first installment payable on or before January 31st to the local municipality and the second installment payable on or before July 31st to the Walworth County Treasurer. The exception being if the tax is less than $100, then the full amount is due on or before January 31st to the local municipality.
Village of Mukwonago Only
In 3 installments, as indicated on the tax bill, the first installment shall be paid on or before January 31st, the second on or before April 30th and the third installment shall be paid on or before July 31st, to the Village of Mukwonago.
Personal Property Taxes
Personal property taxes must be paid in full by January 31st to the local municipality, unless installment options are indicated on the tax bill.
Failure to Pay on Time
If your tax bill qualifies and if you choose to pay your taxes in installments, then you must pay each installment by the due date or the total amount of your remaining unpaid taxes, special assessments, special charges and special taxes (if any) will be delinquent (s.74.11(7) or 74.12 and 7487, Wisconsin Statutes).
All delinquent taxes are subject to interest of 1% per month from February 1 until paid, and in addition, will be subject to a.5% penalty for a total of 1.5% interest and penalty per month (fraction of a month counts as a whole month).