October 16, 2025, 6-8 p.m.
Santa Ana Police Department headquarters
60 Civic Center Plaza
Santa Ana, CA
Free, santa-ana.org  
The Santa Ana Police Department is hosting a city-wide free event for the community to enjoy Trunk or Treating with police officers, professional staff, and various organizations in a safe environment. The event will have police vehicles on display, characters in costume, Halloween themed music, a photo booth and free candy.
October 24, 2025, 4-6 p.m
El Salvador Park
1825 West Civic Center Drive
Santa Ana, CA 92702
Free, santa-ana.org
Are you ready for some Autumn fun? There will be a mini pumpkin giveaway, 
pumpkin decorating, craft booths, snacks, games, and a costume contest. 
Admission is free so gather your friends and family and have some festive fun!
For more information and to register, visit tinyurl.com/SAHarvFest25
October 25, 2025, 2-5 p.m.
 
Jerome Recreation Center
726 S Center St
Santa Ana, CA 92704 
Free, santa-ana.org
Jerome Recreation Center's amped for a spooky night full of thrills featuring games, music, haunted house and a costume contest
Take time to learn about amazing programs and services offered by your local community center while sharing in the Halloween spirit. Free and open to all ages.
Actual dates 4, 5, 11, 12, 18, 19, 25 & 26, 2025
Spooky Science
Discovery Cube Orange County	
2500 N Main Street
Santa Ana, CA
$34-37, discoverycube.org
Two floors of STEM-inspired spooks as kids can ride the bumper cars, master the maze challenge, pick a pumpkin from the patch, or dance like an Egyptian on a 10,000 square-foot interactive dance floor with a projection-mapped DJ spinning some of today's best kids tunes.
Events are not guaranteed. It is your responsibility to confirm before going.