Property Tax Payments Due January 31st The Fond du Lac County Treasurer’s office is reminding residents that the first installment of the 2016 property taxes is due by Jan 31. Residents are encouraged to pay early to avoid delays. Return the appropriate payment stub(s) with your payment. Include a self-addressed, stamped envelope if a payment receipt is requested. Payment for parcels located in the City of Fond du Lac and the Village of North Fond du Lac can be made payable and mailed to the Fond du Lac County Treasurer Office, 160 S. Macy St., P.O. Box 1515, Fond du Lac, WI 54936-1515. Payments for all other municipalities (towns, villages, cities) are collected by the appropriate municipality. Please see tax bill payment stub for further payment details. Warning: If payments are not made or postmarked by the due date, the installment option is lost and total tax is delinquent and subject to penalty and interest charges. See reverse side of your property tax bill for complete explanation. For more information, contact the County Treasurer’s Office at 929-3010.