Oct17Sat
Fall Harvest
A costume parade, community booths and fall activities for all ages.
On set dates
55 events
Oct25Sun
Tales, Tails, & Treats
A themed storytime with crafts, plus a chance to meet adoptable kittens. No registration needed.
Oct26Mon
Make Your Own Trick-or-Treat Bag
Decorate your own trick-or-treat bag in the library's story room.
Oct17Sat
Halloween Pumpkin Rescue
Swim in a pool filled with floating pumpkins, pick one, decorate it and enjoy music. Advance registration required; $10-$15.
Oct22Thu
Haunted Trails
Four nights of a scary walk-through trail themed around abandoned hospitals and failed experiments. Not recommended for kids under 10; tickets required.
Oct31Sat
Halloween Time at Museum of Make Believe
A Halloween session at the storybook-forest museum: craft a potion bottle, design a mini fall scene, and enjoy wine and sugar cookies.
Oct16Fri
Fall-O-Ween at Heritage Hill
A free OC Parks evening with decorated historic grounds, a scavenger hunt and photo spots.
Oct24Sat
Halloween Spooktacular & Trunk or Treat
Games, crafts and entertainment plus a trunk-or-treat with police K-9, bomb squad and mounted units. A kids' costume parade starts at 5 PM.
Oct24Sat
Spooky Seas at the Ocean Institute
A Halloween-themed science night at the Ocean Institute with glowing laser tag, a mad-scientist lab, haunted ship tours, after-dark aquarium visits and a costume contest.
Oct30Fri
SAMLARC's Halloween Family Festival
Trick-or-treating, bounce houses, a costume contest for kids, pets and families, a photo booth, music and games.
Oct13Tue
Neurodivergent Halloween Night
A sensory-friendly trick-or-treat night with lowered lights and sound, limited capacity and sensory tools such as noise-cancelling headphones and fidgets.
Oct24Sat
Monster Splash
Pool-deck trick-or-treating, a floating pumpkin patch, pumpkin decorating, open swim and an inflatable obstacle course. Registration required.
Oct30Fri
Halloween's Eve at Pretend City
A morning-to-afternoon of dancing, a puppet show and kid-sized trick-or-treating at 10:30 AM, noon and 2 PM.
Oct31Sat
Woodbridge Trick or Treat
Handmade goods and seasonal treats at a trick-or-treat stop.
Oct15Thu
Carnival del Mar
A family street celebration with pumpkin decorating, carnival games, a reptile zoo, cotton candy and treats from 70+ local businesses.
Oct17Sat
Once Upon a Nightmare Before Christmas
A not-too-scary storybook walk through a North Pole that blends Halloween and Christmas.
Oct24Sat
Boo at the Bay: Family Halloween Party
A free family Halloween party with stories, crafts, science demos and animal visits, including booths from the OC Bird of Prey Center and the Environmental Nature Center.
Oct24Sat
Halloween Spooktacular
Free trunk-or-treating with carnival games, bounce houses, costume contests and food trucks.
Oct17Sat
Pumpkin Splash
Splash into a floating pumpkin patch with inflatables and Halloween activities; everyone takes home one pumpkin.
Oct23Fri
Casa Creepy
A family-friendly walk-through haunt at the 1927 Casa Romantica estate, with live actors in the gardens.
Oct23Fri
Trunk or Treat at Pacific Coast Church
Costumes and trick-or-treating at decorated car trunks, for kids 12 and under.
Oct13Tue
Hana Field Pumpkin Patch
Pick pumpkins and flowers, wander the flower fields, try the Jurassic Fright corn maze and visit the barnyard. A stroller or wagon helps with the haul.
Oct13Tue
Seasonal Adventures Pumpkin Patch at the OC Fairgrounds
A fairgrounds pumpkin patch with inflatables, small rides, a petting zoo and a train, plus seasonal decor and a market for squash and gourds.
Oct24Sat
Boo Ha Ha: Zombie Homecoming
A zombie-themed Halloween event at the OC Fair & Event Center.
Running all season
10 listingsSeasonMulti-week
Pumpkin City
Pumpkin patch with pony rides, a petting zoo, carnival games and kiddie rides.
SeasonMulti-week
Tanaka Farms Pumpkin Patch
Wagon rides on the 30-acre farm, pick-your-own pumpkins, a corn maze and a petting zoo.
SeasonMulti-week
Roger's Gardens Halloween Boutique
A themed, museum-style Halloween shop with collectibles, artisan decor and haunted vignettes.
SeasonMulti-week
Roger's Gardens Halloween Boutique: Moonlight Masquerade
A Venice-themed Halloween shop with masks, original designs and seasonal collections.
SeasonMulti-week
Pumpkins & Harvest Festival
A pumpkin patch and harvest festival with family activities, local food and live entertainment. Times vary; check the festival site.
SeasonMulti-week
Spooky Science at Discovery Cube OC
Hands-on slime, skeleton and bubbling-potion science, with extra activities on weekends.