Oct24Sat
Boo Bash 2026
A Halloween party for all ages: trunk-or-treat, pumpkin decorating, costumes, dancing and prizes.
On set dates
66 events
Oct24Sat
Halloween Carnival at Los Alamitos Race Course
Carnival games, a costume contest and live horse racing. Adults $3; kids under 18 free.
Oct24Sat
La Palma Halloween Carnival 2026
A safe, family-oriented alternative to trick-or-treating with carnival games, costume contests, treats and giveaways. No cost to attend.
Oct24Sat
Halloween Festival (Stanton)
Games, entertainment, costume contests and food trucks for all ages; no pre-registration.
Oct31Sat
Trick or Treat on Main Street
Trick-or-treating at participating shops along Main Street.
Oct13Tue
The Pumpkin Factory at Westminster Mall
A mall-lot pumpkin patch pop-up with rides, games and a petting zoo.
Oct23Fri
Halloween Spooktacular (Westminster)
Candy-filled trunks, seasonal activities and an open-air movie at the Civic Center.
Oct16Fri
Silverado Days
An 89th-year community fair with carnival rides, food, live entertainment and the pie-eating contest.
Oct28Wed
Cops N' Goblins
Activities, costume contests, games and trunk-or-treating, co-hosted with the Buena Park Police Department.
Oct24Sat
Jack-o-Lantern Jamboree
A family Halloween party with an inflatable slide, a reptile booth, carnival games, face painting and glitter tattoos, a pumpkin patch and crafts. Registration is requ...
Oct15Thu
Boo-tastic Halloween Party at Adventure City
An evening Halloween party at the amusement park: a trick-or-treat street, a Halloween train, a scavenger hunt, a light show, a dance party and 11 rides, with free glo...
Oct18Sun
Trunk or Treat at Anaheim United Methodist Church
A church trunk-or-treat with raffles, games, bounce houses, a costume contest and photo spots.
Oct24Sat
Anaheim Classic Car Show
American-made classics and hometown charm at a beloved downtown Anaheim tradition.
Oct24Sat
Anaheim Fall Festival & Halloween Parade
Downtown festival with kid and dog costume contests, then an evening parade of artist-built floats.
Oct25Sun
Anaheim Town Square Spooktacular Halloween Celebration
A Halloween event at the shopping center with performers, face painting, crafts, a magic show and trick-or-treating.
Oct25Sun
Halloween Treat Street at Anaheim Plaza
Free trick-or-treating around the center with photo spots, DJ music, raffle prizes and face painting; the first 100 costumed kids get goodie bags.
Oct29Thu
Nightmare on Center Street
Trick-or-treating at market booths decorated for Halloween, plus a themed village of costumed vendors.
Oct31Sat
Halloween Spooktacular at Anaheim Hills Festival
Trick-or-treating at participating shops and restaurants, with a DJ, face painting, balloon art and photo spots.
Oct24Sat
SoCal's Sunset Trick or Trot 5K/10K
Run or trot into the sunset with beach views, Halloween fun and a Trunk-or-Treat Expo at 3 PM.
Oct31Sat
HB Downtown Surf City Spooktacular
Main Street turns into a trick-or-treat route with a monster march, costume contest, character appearances and the Boo Wave, supporting Waymakers.
Nov8Sun
St. Martin's Lantern Fest & Parade
A lantern procession through the German courtyard. Free.
Oct13Tue
The Pumpkin Factory at MainPlace Mall
A pumpkin-patch pop-up at the mall with rides, slides, a petting zoo, games and food. Closed Mondays and Tuesdays (except Columbus Day). Entry is free Wed/Thu and $5 F...
Oct17Sat
Pumpkin Palooza at Discovery Cube Orange County
Halloween-themed science and hands-on activities at the museum, presented with OC Waste & Recycling. Ticketed; kids under 3 free; parking $10.
Oct24Sat
Boo at the Zoo
Trick-or-treating along the zoo trail with animal presentations, storytelling and a teen haunted area.
Running all season
12 listingsSeasonMulti-week
Knott's Spooky Farm
A daytime, not-scary Halloween celebration for ages 3 to 11 with trick-or-treating and a costume contest.
SeasonMulti-week
Howl-O-Ween at Great Wolf Lodge
Halloween programming at the resort, including a trick-or-treat trail, yoga, a dance party and an art class.
SeasonMulti-week
Halloween Time at the Disneyland Resort
Giant pumpkins on Main Street, Haunted Mansion Holiday and Halloween overlays on popular rides.
SeasonMulti-week
Oogie Boogie Bash
Separately ticketed Halloween party with a parade, Villains Grove and treat trails. Often sells out early.
SeasonMulti-week
Oktoberfest at Old World Village
German food and beer, oom-pah bands and dancing. Family-friendly by day, 21+ on weekend nights.
SeasonMulti-week
Mini Melodies at MainPlace
A free monthly music session for young children, held the first Wednesday of each month.