| Auditor-Controller |
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| Board of Supervisors |
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| First District - Supervisor Andrew Do |
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| Second District - Supervisor Katrina Foley |
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| Third District – Supervisor Donald P. Wagner |
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| Fourth District - Supervisor Doug Chaffee |
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| Fifth District - Supervisor Lisa Bartlett |
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| Child Support Services |
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| Clerk-Recorder |
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| OC Archives |
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| County Executive Office |
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| County Procurement Office |
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| Human Resource Services – Recruitment |
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| District Attorney |
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| Child Abduction Unit |
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| Health Care Agency |
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| John Wayne Airport |
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| OC Animal Care |
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| OC Dana Point Harbor |
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| OC Parks |
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| OC Public Libraries |
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| OC Public Works |
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| OC Waste and Recycling |
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| Probation Department |
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| Registrar of Voters |
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| Sheriff-Coroner |
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| Emergency Management Bureau |
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| Public Safety |
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| Recruitment |
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| Social Services Agency |
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| Treasurer-Tax Collector |
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| Veterans Service Agency |
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