  | Boards and Commissions | Contains details of upcoming meetings and other events for the Town's boards and commissions. |
| | Communitywide Events | Contains information on community events provided by the Castle Rock Chamber of Commerce, Downtown Development Authority and Economic Development Council. |
| | Fire / EMS | Includes information on upcoming Fire / EMS events, including CPR classes and Candidate Physical Agility Testing dates. |
| | Main Town Calendar | Contains upcoming events of broad interest that are sponsored by the Town of Castle Rock. |
| | Parks, Open Space and Trails | Includes information on upcoming events at the Town's park, open space and trail properties. |
| | POST Partners Volunteers | Includes information about upcoming volunteer opportunities and other events related to the Town's POST Partners parks, open space and trails volunteer program. |
| | Public Hearing Notices | This calendar is in pilot mode. It will include public notices for upcoming use by special review and land use public hearings before Planning Commission and Town Council. |
| | Recreation | Contains information about upcoming events and programs sponsored by the Town's Recreation Division. |
| | Utilities / Castle Rock Water | Includes upcoming events and classes sponsored by the Town's Utilities Department, including the popular Water Wiser workshop series. |