The 2nd installment of taxes, to be paid to the Fond du Lac County Treasurer, is due by July 31st, 2024.  Please include payment and pay stub to insure properly applied payment to your account.  Make checks payable and mail to:

The Fond du Lac County Treasurer will accept payments at the City-County Government Center, 160 South Macy Street 8:00 a.m. to 4:30 p.m. Monday through Friday, excluding holidays.  Fond du Lac County Treasurer’s Office 920-929-3010

Using a credit or debit card.  https://www.fdlco.wi.gov/departments/departments-n-z/treasurer/pay-taxes-online This service is only available for the 2nd installment payment.  The service allows you the options by calling 1-855-844-7563 or paying online at the link above, using a credit or debit card. 

***Please note any payments mailed to the Town of Byron and made out to the Town of Byron could result in late payments and subject to interest and penalties.***