  | Board of County Commissioners Meetings | |
| | Building Safety - Contractor Meetings | |
| | Clerk to the Board | |
| | Development & Transportation | |
| | Fairgrounds | |
| | Head Start | |
| | Human Services | |
| | Invasive Species Management | |
| | jeffco.us Home Calendar | |
| | JEFFTAAG Meetings | Calendar for the Jefferson County Transportation Action and Advocacy Group (JEFFTAAG) monthly meetings. |
| | Mediation Training & Events | |
| | Open Space Advisory Committee | All meeting dates for the Open Space Advisory Committee (OSAC). |
| | Open Space Master Calendar | |
| | Planning and Zoning | Events for Planning and Zoning, including Community meetings. |
| | Planning and Zoning Boards and Commission Events | |
| | Public Health | |
| | Sheriff's Office Events | |
| | Slash Collection | Clear your property and bring your tree debris to the Jefferson County Slash Collection! Sign up for notifications here to get reminders of where we'll be all summer long. |
| | Transportation and Engineering | Calendar for public meetings and open houses with the Transportation and Engineering Division. |