Halloween Spooktacular & Trick-or-Treat Bash

Halloween Spooktacular & Trick-or-Treat Bash

Join us on Thursday, October 31, from 3:00 to 6:00 pm, in Old Town Monrovia and Library Park for our popular Halloween events in Old Town!

Halloween Bash | City of Monrovia

2025 Trick or Treat Halloween Bash -Friday, October 31, 2025. The City of Monrovia's Trick - or - Treat and Halloween Bash will be held this ...

Halloween Spooktacular & Trick-or-Treat Bash on Oct. 31

31, from 3 to 6 p.m. in Old Town and Library Park. Activities include trick-or-treating, costume contests for all ages and dogs, library events, ...