The County of Orange is a regional service provider and planning agency whose core businesses include public safety, public health, environmental protection, regional planning, public assistance, social services and aviation.
County of Orange Agencies/Departments include the following: Auditor-Controller, Child Support Services, County Counsel, County Executive Office, District Attorney, Health Care Agency, Housing & Community Services, Human Resources, Integrated Waste Management, John Wayne Airport, OC Public Library, Probation, Public Defender, Register of Voters, Resources & Development Management, Sheriff-Coroner, Social Services Agency, and Treasurer-Tax Collector.