Community · Festival

Halloween Spooktacular & Trick-or-Treat Bash

A popular annual Halloween celebration in Old Town Monrovia and Library Park.

Sat, 31 Oct 2026 3:00 PM – 6:00 PM (America/Los_Angeles) Library Park Monrovia , California
The Halloween Spooktacular & Trick-or-Treat Bash is a beloved annual tradition in Monrovia, bringing the community together for an afternoon of festive fun. Held in Old Town Monrovia and Library Park, the event features trick-or-treating, activities, and a vibrant atmosphere perfect for families. Participants are encouraged to dress in their best costumes and enjoy the holiday spirit in a safe, community-focused environment. It is a highlight of the local calendar for residents of all ages.

What to Expect

A lively, family-oriented Halloween celebration.

Who Should Attend

  • Families
  • Children
  • Local residents
  • Costume enthusiasts

Agenda Overview

Afternoon of Halloween festivities.
Venue & Address
Library Park
321 S Myrtle Ave
Monrovia , California – 91016
United States
Organizer
City of Monrovia · Government
The municipal government of Monrovia, California.

Frequently Asked Questions

When is it?
October 31st, 3:00 to 6:00 p.m.
Where is it held?
Old Town Monrovia and Library Park.
Is it free?
Yes, it is a community event.
Should I wear a costume?
Yes, costumes are encouraged.
Who hosts this?
City of Monrovia.
Is it for all ages?
Yes, it is family-friendly.
Tags
Halloween festival Monrovia family community trick-or-treat
Summary
Annual Halloween festival and trick-or-treat event.
Highlights
  • Trick-or-treating
  • Costume fun
  • Old Town activities
  • Library Park setting
  • Family-friendly
  • Community celebration
Something wrong?
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