Town of Linn residents: Second property tax installment payments are due to the Walworth County Treasurer by Thursday, July 31, 2025. Please make checks payable and mail to: Walworth County Treasurer, PO Box 1001, Elkhorn, WI 53121. A copy of your property tax bill is available at the Walworth County website: https://www.co.walworth.wi.us/. If you have any questions, please contact the Treasurer’s Office at 262-741-4251.