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…
By order of Sheriff Darren Weekly, Stage 1 Fire Restrictions are in place for unincorporated areas of Douglas County. Ordinance No. O-012-004 restricts open fires, open burning and the use of fireworks in the unincorporated areas of Douglas County. Read more.
Thank you for participating in the June 30, 2026, Primary Election. Learn how to view the unofficial results for Douglas County and the state of Colorado.
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…
This event is for people who wish to observe and enjoy the night sky. Plan to set up your telescope while it's still light, attend an informational talk while it's getting dark, then head out to work on your skills when the stars are out. Our new site has many power outlets for all your…
Celebrate colorful Colorado at Douglas County’s annual Open Space Fall Festival, a free, family‑friendly event hosted at the beautiful Sandstone Ranch property. Join Open Space Rangers, wildfire experts and first…