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