*** Immediate notice - The Winnebago County Treasurer's Office will continue to have staff available to conduct daily business; however, for the safety of our staff and the public, FACE TO FACE COUNTER SERVICE HAS BEEN SUSPENDED.  For your convenience there is a drop box next to the enterance of the County Administration Building located at 112 Otter Ave, Oshkosh WI 54901.

Available Services/Information

• Pay Taxes Online - There is a fee of 2.39% of the payment amount for credit card payments, $3.95 for debit card payments and $1.50 for an e-check payment.

• Property Information Lookup - This link will include current owership information for Winnebago County properties and will only include City of Oshkosh, Neenah, Menasha or Appleton properties if there is a delinquent tax balance. If you are looking for current ownership information please use one of the links below.

Other Cities Tax Information

• City of Appleton
• City of Oshkosh
• City of Neenah
• City of Menasha

• Winnebago County Tax Collection Policy