Sherri Hawkins, Green County Treasurer, reminds taxpayers that the second installment of real estate taxes is due by July 31. Please make checks payable to the Green County Treasurer. The Treasurer’s office is located in the Courthouse, 1016 16th Ave, on the 1st floor, Room #6. Office hours are from 8:00 a.m. – 4:30 p.m., Monday through Friday. To mail payments, please remit to the Green County Treasurer, 1016 16th Ave, Monroe, WI 53566. If you wish to receive a receipt, please enclose a self addressed stamped envelope. An after-hours drop box is located on east door of Courthous...