| Business | Phone |
| Clinton County Circuit Clerk 207 N Main St, Plattsburg 64477 | (816) 539-3731 |
| Clinton County Collector 207 N Main St, Plattsburg 64477 | (816) 539-3726 |
| Clinton County Commissioner 207 N Main St, Plattsburg 64477 | (816) 539-2536 |
| Clinton County Coroner 207 N Main St, Plattsburg 64477 | (816) 539-2156 |
| Clinton County Juvenile Ofcr 207 N Main St, Plattsburg 64477 | (816) 539-2260 |
| Clinton County Prosecutor 207 N Main St, Plattsburg 64477 | (816) 539-3711 |
| Clinton County Recorder-Deeds 207 N Main St, Plattsburg 64477 | (816) 539-3719 |
| Clinton County Road Engineer 257 E Highway 116, Plattsburg 64477 | (816) 539-2932 |