According to our records, this business is located at P.O. BOX 66 in Quincy (in Adams County), Illinois 62306, the location GPS coordinates are: 39.9356016 (latitude), -91.4098726 (longitude). Koenker Plumbing & Heating is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization president is Barbara Bratton. You can contact the company by phone at (217) 222-2964.