The following information about local service providers is subject to change:
| Bus Service | Warren Co. Transit Service | 1-800-838-7433 |
| Cable | Time-Warner Cable | 513-932-0310 |
| Bureau of Motor Vehicles | Mason: Deputy Registrar | 513-398-8928 |
| Community Center | Mason Community Center | 513-229-8555 |
| Emergency, Police | Mason Police | 911 |
| Emergency, F&R | Mason Fire & Rescue | 911 |
| Gas & Electric | Cinergy | 513-421-9500 |
| Hospitals | Bethesda North | 513-745-1111 |
| Children's Hospital MC, Mason | 513-398-8877 | |
| Health Alliance Primary Care, Mason | 513-584-6534 | |
| Library | Mason Public Library | 513-398-2711 |
| Post Office | Mason Branch, Rte. 42 & Snider Rd. | 513-398-1926 |
| Taxes | Nick Nelson, Auditor | 513-596-1235 |
| Trash Collection (info) | CSI...Collection Day is THURSDAY | 513-771-4202 |
| Water | City of Mason | 513-398-3067 |