Calendar of Events
No matter what the season, there is always something going on in the City of Lone Tree. Keeping our residents informed of scheduled events and local happenings is important.
Know of an upcoming event that we need to add? Give us a call or send us an email and we will be happy to add it for you.
Upcoming Events
City Hall Closed
Begins: 2/16/2026
Ends: 2/16/2026
President's Day
City Council Meeting
Begins: 3/2/2026 - 5:30pm
Ends: 3/2/2026 - until all business is complete
The Lone Tree City Council Meetings are typically held on the first Monday of each month at 5:30 pm. The meetings are held at City Hall. The public is welcome and encouraged to attend!
City Council Meeting
Begins: 4/6/2026 - 5:30pm
Ends: 4/6/2026 - until all business is complete
The Lone Tree City Council Meetings are typically held on the first Monday of each month at 5:30 pm. The meetings are held at City Hall. The public is welcome and encouraged to attend!
City Utility Bills Due
Begins: 4/13/2026
Ends: 4/13/2026
City utility bills are due by end of business today.
Garage Sales
Begins: 4/25/2026 - 8:00 am
Ends: 4/25/2026 - 2:00 pm
City wide garage sales.
8am - 2pm
City Council Meeting
Begins: 5/4/2026 - 5:30pm
Ends: 5/4/2026 - until all business is complete
The Lone Tree City Council Meetings are typically held on the first Monday of each month at 5:30 pm. The meetings are held at City Hall. The public is welcome and encouraged to attend!
City Hall Closed
Begins: 5/25/2026
Ends: 5/25/2026
Memorial Day
City Council Meeting
Begins: 6/1/2026 - 5:30pm
Ends: 6/1/2026 - until all business is complete
The Lone Tree City Council Meetings are typically held on the first Monday of each month at 5:30 pm. The meetings are held at City Hall. The public is welcome and encouraged to attend!
City Utility Bills Due
Begins: 6/8/2026
Ends: 6/8/2026
City utility bills are due by end of business today.
Lone Tree Flyers
Begins: 6/12/2026
Ends: 6/13/2026
Lone Tree Flyers event for model aircraft. Open to the public. Located at the airfield by the American Legion.
City Hall Closed
Begins: 6/19/2026
Ends: 6/19/2026
Juneteenth
City Hall Closed
Begins: 7/3/2026
Ends: 7/3/2026
4th of July
City Hall Closed
Begins: 9/7/2026
Ends: 9/7/2026
Labor Day
City Hall Closed
Begins: 11/11/2026
Ends: 11/11/2026
Veteran's Day
City Hall Closed
Begins: 11/26/2026
Ends: 11/27/2026
Thanksgiving