Green County Treasurer 1016 16th Ave Monroe, WI 53566 Phone : (608) 328-9435 Business Category Public Finance Taxation & Monetary Policy Green County Of--treasurer Court House Monroe, WI 53566 Phone : (608) 328-9435 Business Category Government Offices-County Government Offices & Public Schools Treasurer Court House Monroe, WI 53566 Phone : (608) 328-9435 Business Category Government Offices-County Government Offices & Public Schools