A dedicated staff of town employees work in several departments to keep the town running smoothly. The Plainfield Municipal Building at 206 West Main Street currently houses:
The Police Department and Town Court are located at 1075 West Main Street. The Plainfield Fire Territory is located at 591 Moon Road. At 986 South Center Street the Department of Public Works is responsible for capital asset management and all water-related issues. The town of Plainfield also has a Recreational Center located at 651 Vestal Road providing fun activities for all ages.