The Planning and Inspections Department is divided into seven divisions which have the following fields of expertise:
- Administration and Planning Systems - In addition to providing leadership, clerical aid, coordination, agenda administration, and GIS mapping to the entire department, this division is involved in special projects such as the Efland-Mebane Small Area Plan and others.
- Comprehensive Planning - Includes most of the long-range planning such as the Land Use Element, Transportation Planning, and the 2030 Comprehensive Plan.
- Current Planning and Zoning - Deals with most of the short-range planning such as major and minor subdivision regulation, Planned Development and Special Use Permit, Transfer of Development Rights, home occupations, and zoning.
- Engineering - The Engineering Division is responsible for the operation and maintenance of the Efland Sewer System and Lake Orange. In addition, engineering staff collaborate on other County-constructed infrastructure projects and economic development infrastructure design.
- Erosion Control - The Erosion Control Division enforces the Erosion Control, Stormwater, Neuse and Jordan Lake Riparian Buffer portions of the Orange County Unified Development Ordinance and; reviews erosion control plans; issues plan approvals and permits; inspects permitted sites; and investigates complaints and unauthorized land disturbances.
- GIS - The Planning GIS division (which is part of the Administration and Planning Systems division) is responsible for the Geographic Information Systems (GIS) mapping for the Planning Department, census projects and data collection for various planning projects.
- Inspections - The building inspections division enforces the mandated NC State Building Code and conducts inspections during construction of buildings, mechanical, electrical and plumbing systems to ensure code compliance.