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Kidz Town Halloween Hay DayHalloween Fun is back in Downtown Livermore!
Saturday, October 25, 2025 | 10 AM – 1 PM
Historic Downtown Livermore
Get ready to make magic happen at one of Livermore’s most beloved family traditions, created just for kids 5th grade and under—the 2025 Kidz Town Halloween Hay Day! This free, family-friendly event draws hundreds of local families for a morning full of festive fun, including a costume contest, live music, games, and trick-or-treating at participating downtown businesses. The excitement continues at Stockmen’s Park, where even more trick-or-treating awaits, hosted by local vendors and organizations.
It’s a lively, family-friendly celebration you won’t want to miss!
Trick or Treat Bags are back!
Trick or Treat Bags are back! Thanks to Marcel Orthodontics, the first 1,500 little trick-or-treaters will receive a FREE official Kidz Town Halloween Hay Day bag (while supplies last). Stay tuned for bag pickup locations!
Costume Contest
Costume Contest 11 AM -1 PM at Stockmen's Park - 29 S. Livermore Ave.
Show Off Your Creativity in the Costume Contest!
Our Costume Contest is free for all attendees, and we can’t wait to see your amazing family, group, and individual looks.
Costumes should be at least 70% handmade—we want to celebrate creativity and originality! Prizes will be awarded for 1st, 2nd, and 3rd place in each category:
Infant–4 years
Ages 5–8
Ages 9–12
Family/Group
Bring your best costumes and join the fun—it’s going to be spook-tacular!
Quest Science Center
Quest Science Center will present Halloween-Hijinks, an outdoor spooky science center! Quest Science Center will have hands-on, Halloween-themed science activities for Kidz Town participants to explore and engage in!
Stockmen’s Park 29 S. Livermore Ave.
Located at the Quest Plaza from 10am-12pm.
More Details, Applications and Sponsorship: https://www.eventeny.com/events/kidstownhalloweenhayday-22495/
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Event Venue & Nearby Stays
Downtown Livermore, Livermore, California, United States
