According to our records, this business is located at 1921 N Market St. in Monticello (in Piatt County), Illinois 61856, the location GPS coordinates are: 40.0483925 (latitude), -88.5727311 (longitude). Piatt County Developmental Service is categorized under State Government Offices (SIC code 9121). Known organization executive director is Phyllis Usher. The company employs
approximately 25 people. You can contact the company by phone at (217) 762-8546; the following fax number is also provided: (217) 762-4066.