  | Administrative Services Department | Administrative Services contains the following: Chief of Staff
Buildings & Maintenance
Economic Development
Central Printing & Mail and Records Center
Project Management/Architect
Vehicle Services |
| | Buildings and Facilities Division | The main objectives are to repair and maintain County office buildings, grounds and County Park Land. Such work includes carpentry, electrical, heating and air conditioning as well as the maintenance to County Park Land. |
| | Division of Parks & Recreation | The Hunterdon County Division of Parks and Recreation focus is to provide for meaningful use of leisure time, encourage appreciation of our natural resources, and preserve and protect open space and greenways for the enjoyment of future generations. |
| | Finance Department | |
| | Health Department | The staff at the Department of Health is a multi-disciplinary group: Public Health Nurses, Registered Environmental Health Specialists, Health Educators, Entomologists, and Infectious Disease Specialists. |
| | Human Resources Department | The Hunterdon County Human Resources Department is the Centralized Office for: Employee Personnel Files, Health Benefits Programs, Attendance Records, Workmen's Compensation, Salary Resolutions & Schedules, State Certification Lists and Paperwork. |
| | Human Services Department | The Hunterdon County Human Services Department is made up of the Senior Services Division, Social Services Division and Housing Division. |
| | Hunterdon County Sheriff's Office | |
| | Information Technology Department | The department is responsible for implementing and supporting all county workstations (hardware and software), local and area networks, email and internet applications as well as the development and maintenance of the various County web sites. |
| | Library | |
| | Office of the County Clerk | |
| | Planning and Land Use | |
| | Prosecutor's Office | The Prosecutor’s Office is the Chief Law Enforcement Agency in Hunterdon County. Once a part-time office, the HCPO is staffed with Assistant Prosecutors, Detectives, and support staff dedicated to investigating and prosecuting criminal matter. |
| | Public Safety Department | The Department consists of the County Communications Division (9-1-1), the Emergency Management Division, Office of the County Fire Marshal, Emergency Services Training Center, and Homeland Security. |
| | Public Works Department | Department of Public Works, including the Divisions of Roads, Bridges and Engineering provides engineering direction, technical support for the County's roads and bridges, maintenance and repair for County roads, bridges, culverts, and storm sewers. |
| | Vehicle Services Division | |