Free Halloween Week Events in South OC: October 27–31, 2026
Published Oct 26, 2026
Halloween week brings plenty of chances to wear a costume more than once. Libraries, cities and community groups across South Orange County are hosting storytimes, costume parties, trick-or-treating and festivals, and admission to every event below is free.
Each event has its own South OC Kids listing with the organizer’s details. Here is what’s happening each day so you can pick the outings that fit your family.
Midweek library fun
Halloween Storytime & Trick-or-Treat Stations — San Juan Capistrano
Tuesday, October 27 · 10:30–11:30 a.m. · San Juan Capistrano Library · Ages 2–6 · Free
Halloween stories followed by trick-or-treat stations make this a short, gentle outing for preschoolers. Costumes are encouraged.
Boo Bash Costume Party — Ladera Ranch
Wednesday, October 28 · 3:30–4:30 p.m. · Ladera Ranch Library · All ages · Free
An after-school costume party with a costume catwalk and seasonal activities. Because it is open to all ages, it works for families bringing siblings of different ages.
Friday, October 30: morning and evening options
Trick or Treat at Sea Country — Laguna Niguel
Friday, October 30 · 10–11:30 a.m. · Sea Country Senior & Community Center · Ages not specified · Free
A morning trick-or-treat that suits families with little ones who are home during the day. The organizer does not list an age range, so check the listing if you have questions.
SAMLARC Halloween Family Festival — Rancho Santa Margarita
Friday, October 30 · 3:30–8 p.m. · Central Park · Ages not specified · Free admission
The biggest outing of the week, with games, pumpkin decorating, inflatables, trick-or-treating and an outdoor movie. With more than four hours to choose from, you can arrive after school or come later for the movie.
Saturday, October 31: Halloween day
Crafty Saturday: Halloween Crafts — San Juan Capistrano
Saturday, October 31 · 11 a.m.–noon · San Juan Capistrano Library · Suggested ages 4–12 · Free
A Halloween craft hour to fill the morning before trick-or-treating. No registration is required.
Calvary Chapel San Clemente Harvest Festival — San Clemente
Saturday, October 31 · 4:30–6:30 p.m. · Calvary Chapel San Clemente · Ages not specified · Free admission
Bounce houses, crafts, pumpkin bowling and more make this an early-evening option for Halloween night.
Plan your week
Pick one midweek library event and one Friday or Saturday outing, and the costume gets a few extra adventures before Halloween night. Admission is free, but food, drinks and some extras at the festivals may cost money, so bring a little cash or a card.
Want more ideas? Browse free activities across South OC.
More Halloween ideas
Many South OC libraries, parks and community groups host smaller Halloween events too, and new listings are added as organizers announce them.
Our Halloween and Fall Events guide lists every Halloween and fall event on South OC Kids through Halloween.
Event details can change. Check the organizer’s page before leaving home. Free admission may not include food, drinks or optional extras.