Douglas County Open Space Advisory Committee (COSAC)
The Douglas County Open Space Advisory Committee’s monthly meeting will be held at the Philip S. Miller Building, 100 Third St. in Castle Rock. Visit the COSAC webpage to view the…
In observation of the Juneteenth Day holiday, all County offices will be closed on Friday, June 19, 2026. Offices will reopen for regular hours on Monday, June 22. Many County services are available 24/7 on our Online Services webpage.