All events are subject to change. Please confirm with the event organizer before attending.
Fullerton First Night 2026 | Downtown Fullerton Plaza
December 31: Enjoy live music, family activities, and a fireworks finale as Fullerton rings in 2026 at its annual First Night celebration. FREE!
Fullerton PD Trunk-or-Treat in Downtown Fullerton
October 24: Trick-or-treat with local officers and enjoy festive fun at Fullerton PD’s annual Trunk-or-Treat downtown.
July 4th Celebration in Downtown Fullerton
July 4: Car show, contests, entertainment, food booths, and firework show at 9pm.
Disclaimer: The Kidsguide team does their best to keep event details accurate at the time of posting, but information can change without notice! Be sure to double-check with the event organizer before heading out. Kidsguide is not responsible for any errors, omissions, or changes on our calendar—we’re just here to help you find the fun!
