Diamond Bar Halloween & Things to Do 2025
Your complete guide to the best halloween in Diamond Bar and surrounding areas
Diamond Bar brings Halloween 2025 to life around its civic center and scenic parklands with haunted tours and spine-chilling activities. Activities include eerie attractions, Halloween markets, and fall festivities at community centers and outdoor venues.
Find the best Diamond Bar Halloween happenings this year!
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Family-Friendly Fall Activities
53 eventsExclusive after-hours Halloween party with character meet-and-greets and treat trails.
Haunted Experiences
20 eventsImmersive extreme haunt with a prison narrative and interactive elements.
Halloween Food, Drink, and Parties
8 events18+ Halloween costume party with 'Dead Dance' theme
Editor's Picks (6)
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Oogie Boogie Bash – A Disney Halloween Party
(Anaheim)
Exclusive after-hours Halloween party with character meet-and-greets and treat trails.
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Anaheim Fall Festival and Halloween Parade
(Anaheim)
Revived Classic Car Show and parade float scavenger hunt
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The 17th Door Haunted Attraction
(Buena Park)
Immersive extreme haunt with a prison narrative and interactive elements.
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Knott's Scary Farm
(Buena Park)
Southern California's longest-running Halloween theme park event.
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CHS Haunt: Murder Castle
(Ontario)
Walkthrough experience based on H. H. Holmes' Murder Castle
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City of Chino Hills Trick or Treat
(Chino Hills)
Community trick-or-treat with costume contest
Halloween Movies, Theater, and Entertainment Near Diamond Bar
Horror screenings, spooky shows, and Halloween entertainment in Diamond Bar.
Candlelight Yorba Linda: A Haunted Evening of Halloween Classics
Immerse yourself in a hauntingly beautiful evening of Halloween classics performed by the...
View full details →Halloween Spooky Night: Movie on The Promenade
Experience a spooktacular Halloween Movie Night on The Promenade at The Shops at...
View full details →Diamond Bar Halloween Events Map
See every Halloween event, haunted attraction, and pumpkin patch on one map.
