| Business | Phone |
| Chesterfield City Adm 690 Chesterfield Pkwy W, Chesterfield 63017 | (636) 537-4711 |
| Chesterfield City Finance 690 Chesterfield Pkwy W, Chesterfield 63017 | (636) 537-4712 |
| Chesterfield City Lcerk Chesterfield 63017 | (636) 537-6715 |
| Chesterfield City Municipal Ct Chesterfield 63017 | (636) 537-4718 |
| Chesterfield City Planning 690 Chesterfield Pkwy W, Chesterfield 63017 | (636) 537-4746 |
| Chesterfield Planning Dept 690 Chesterfield Pkwy W, Chesterfield 63017 | (636) 537-4736 |