Washington Street Halloween Costume Party with The Grind
Live rock music by The Grind with a costume contest.
19 Halloween food, drink, and parties in Northglenn and nearby.
Northglenn hosts a free Halloween bash with a costume contest, while Westminster offers a more intimate Farm-to-Table experience for members. Explore local haunts, from family-friendly gatherings to adult-focused nights out.
Haunted Mansion-themed trick-or-treat street with inflatables and trunk-or-treat cars.
Colorado's largest Halloween event with daytime activities and nighttime scares.
Aerial adventure inspired by the 'Coraline' story
Honoring ancestors with community altars, music, art installations, and a procession.
See all Halloween parties, events, and celebrations in your area.
Patio events that felt great in September turn cold fast after dark by late October, and thin costumes make it worse. Check whether the venue has heaters, tents, or an indoor overflow before committing the night to an outdoor ticket, and build the costume over a thermal layer. Rain rarely cancels ticketed parties, so waterproof the plan, not just the outfit.
The four-bar test: can you walk a mile, use a restroom solo, get through a crowd, and store your stuff? Skip full masks, which most bars make you remove for ID anyway, and giant props that need babysitting the moment you get a drink. Pocketed costumes beat carrying a bag, and comfortable shoes outrank accurate ones by hour three.
Assume every bar makes you drop the mask at the door for ID and security, and many ban prop weapons outright, even obvious toys; door staff won't debate realism at midnight. Use coat check where it exists, a few dollars per item, cash helps, and design your costume so removable pieces fit in a pocket. Anything you'd cry about losing stays home.