According to our records, this business is located at 8253 E Farm School Rd. in Rock City (in Stephenson County), Illinois 61070, the location GPS coordinates are: 42.4003921 (latitude), -89.4509791 (longitude). Johns Concrete is categorized under Stucco, Gunite, and Grouting Contractors (SIC code 1771). Known organization owner is John Trava. You can contact the company by phone at (815) 449-9191.