#
StayHappening
Browse cities
List your event
Home
Events in Frederick
Costume Parties in Frederick
Costume Parties in Frederick
Check out happening costume parties events all around Frederick, MD
1 upcoming event
Frederick, United States
Updated 9 Nov 2026
All 1 events in Frederick
Bootleggers Ball
Sat, 20 Feb at 08:00 pm
Union Mills Public House
USD 55 TO 161
FITNESS