According to our records, this business is located at P.O. BOX 211 in La Salle (in La Salle County), Illinois 61301, the location GPS coordinates are: 41.341111 (latitude), -89.090833 (longitude). Duncan Insurance Office is categorized under Insurance Companies (SIC code 6411). Known organization president is Dick Martuzzo. You can contact the company by phone at (815) 223-0277.