Drop Boxes (3 locations within Douglas County)
- Philip S. Miller Building – Drive-up tax payment box at the northwest curb in front of the Phillip S. Miller Building, 100 Third Street in Castle Rock.
- Highlands Ranch Motor Vehicle Office – Drop box located INSIDE the Motor Vehicle Office at 2223 Wildcat Reserve Parkway, G-1 (main intersection is Highlands Ranch Parkway and Wildcat Reserve). Office hours are Monday -Friday, 8 a.m. – 5 p.m.
- Park Meadows Center Motor Vehicle Office: Drop box located INSIDE the Motor Vehicle Office at 9350 Heritage Hills Circle, Lone Tree. Office hours are Monday – Friday, 8 a.m. – 5 p.m.
Tax payments are collected from the drop boxes at the end of each business day.
For end of year prepayments, office policy requires that the payments must be in the Treasurer’s Office on the last business day of the year.