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find Halloween events for every vibe.

Holiday events in Boulder, CO

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Treazures By Tee's 1st Annual Trunk or Treat
Sat, Oct 25, 12:00 PM
Loveland · Lucile Erwin Middle School
Treazures By Tee's 1st Annual Trunk or Treat
Sat, Oct 25, 12:00 PM
Loveland · Lucile Erwin Middle School
Trunk or Treat
Sat, Oct 25, 12:00 PM
Loveland · Lucile Erwin Middle School
Trunk or Treat
Sat, Oct 25, 12:00 PM
Loveland · Lucile Erwin Middle School
Sales end soon
Woof-o-Ween and Pawrade
Sunday at 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Sales end soon
Woof-o-Ween and Pawrade
Sunday at 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Carnival of Costumes - Trunk or Treat
Sat, Oct 25, 3:00 PM
Littleton · 90 E Orchard Rd
Carnival of Costumes - Trunk or Treat
Sat, Oct 25, 3:00 PM
Littleton · 90 E Orchard Rd
Just added!
✨Social✨ Denver Socials Holiday Party!
Thu, Dec 4, 5:30 PM
Washington Park · Reivers Bar & Grill
Just added!
✨Social✨ Denver Socials Holiday Party!
Thu, Dec 4, 5:30 PM
Washington Park · Reivers Bar & Grill
Monster Bash + Mystikal Makers Market
Sat, Oct 18, 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Monster Bash + Mystikal Makers Market
Sat, Oct 18, 12:00 PM
Wolhurst · Aspen Grove Shopping Center
Just added!
Trunk-or-Treat
Fri, Oct 31, 6:00 PM
· Calvary Church
Just added!
Trunk-or-Treat
Fri, Oct 31, 6:00 PM
· Calvary Church
Catira's Spooky Social
Sat, Oct 25, 7:00 PM
Greenwood Village · Catira | Venezuelan Kitchen & Cocktails
Catira's Spooky Social
Sat, Oct 25, 7:00 PM
Greenwood Village · Catira | Venezuelan Kitchen & Cocktails
Selling quickly
Trick-or-Treat AND Trunk-or-Treat HALLOWEEN EXTRAVAGANZA
Sat, Oct 25, 3:00 PM
Highlands Ranch · Grace Presbyterian Church
Selling quickly
Trick-or-Treat AND Trunk-or-Treat HALLOWEEN EXTRAVAGANZA
Sat, Oct 25, 3:00 PM
Highlands Ranch · Grace Presbyterian Church
2025 Aurora Community Trunk or Treat
Sat, Oct 25, 12:00 PM
Aurora District · 15162 E Hampden Ave
2025 Aurora Community Trunk or Treat
Sat, Oct 25, 12:00 PM
Aurora District · 15162 E Hampden Ave
Trunk-or-Treat with ViewHouse & My Neighbor Felix
Thu, Oct 30, 5:00 PM
Castlewood · My Neighbor Felix Centennial
Trunk-or-Treat with ViewHouse & My Neighbor Felix
Thu, Oct 30, 5:00 PM
Castlewood · My Neighbor Felix Centennial
Ghouls Night Out Pumpkin Painting - Centennial
Thu, Oct 30, 8:00 PM
Castlewood · ViewHouse Centennial
Ghouls Night Out Pumpkin Painting - Centennial
Thu, Oct 30, 8:00 PM
Castlewood · ViewHouse Centennial
Voodoo-House Halloween Party - $7,500 IN COSTUME CONTEST PRIZES!
Fri, Oct 31, 8:00 PM
Castlewood · ViewHouse Centennial
Voodoo-House Halloween Party - $7,500 IN COSTUME CONTEST PRIZES!
Fri, Oct 31, 8:00 PM
Castlewood · ViewHouse Centennial
Selling quickly
Merryhill of Lone Tree Trunk or Treat
Sat, Oct 25, 10:00 AM
Carriage Club · 8502 Park Meadows Dr
Selling quickly
Merryhill of Lone Tree Trunk or Treat
Sat, Oct 25, 10:00 AM
Carriage Club · 8502 Park Meadows Dr
Pumpkin Decorating & Free Sips with Nékter
Sat, Oct 18, 1:00 PM + 1 more
Omega · 3260 S College Ave
Pumpkin Decorating & Free Sips with Nékter
Sat, Oct 18, 1:00 PM + 1 more
Omega · 3260 S College Ave
Halloween at the Vehicle Vault: Trunk or Treat 2025
Sat, Oct 25, 12:30 PM
Douglas District · Vehicle Vault
Halloween at the Vehicle Vault: Trunk or Treat 2025
Sat, Oct 25, 12:30 PM
Douglas District · Vehicle Vault
Boo Bash
Sat, Oct 25, 12:00 PM
Castle Rock · Outlets at Castle Rock
Boo Bash
Sat, Oct 25, 12:00 PM
Castle Rock · Outlets at Castle Rock
Just added!
Sinners & Saints Annual Halloween Dance Party!!
Fri, Oct 31, 8:00 PM
Castle Rock · Sinners and Saints in Ecclesia Market
Just added!
Sinners & Saints Annual Halloween Dance Party!!
Fri, Oct 31, 8:00 PM
Castle Rock · Sinners and Saints in Ecclesia Market
Halloween Party at Tequila Village
Fri, Oct 31, 9:00 PM
Woodmoor · Tequila Village Mexican Cuisine Monument
Halloween Party at Tequila Village
Fri, Oct 31, 9:00 PM
Woodmoor · Tequila Village Mexican Cuisine Monument
Harvest Hoedown @ the Ranch
Fri, Oct 31, 6:00 PM
Colorado · Searle Ranch Grass Fed Beef
Harvest Hoedown @ the Ranch
Fri, Oct 31, 6:00 PM
Colorado · Searle Ranch Grass Fed Beef

Trends in Boulder

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Frequently asked questions about Boulder

What are the best party events to attend?

According to Eventbrite, the best party events are:

Treazures By Tee's 1st Annual Trunk or Treat

Carnival of Costumes - Trunk or Treat

✨Social✨ Denver Socials Holiday Party!

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

stand up comedy

halloween event

speed dating events

halloween parties

Which party events are coming up?

Discover the best party events happening soon – you don't want to miss them:

Woof-o-Ween and Pawrade

Monster Bash + Mystikal Makers Market

Pumpkin Decorating & Free Sips with Nékter

Merryhill of Lone Tree Trunk or Treat