Costa Mesa Halloween Events

Monster High: Ghouls' Night Out Early Costume Release

Halloween Bootique 19 Sep 2026

HALLOWEN NIGHT @ OC FAIRGROUNDS $10 W/RSVP BEFORE 10:30PM | 18+

OC Fairground Costa Mesa Building 31 Oct 2026

Halloween Swingthing 2026

3050 Bristol St, Costa Mesa, CA, United States, California 92626 22 Oct 2026

OC FairGrounds Halloween Night, October 31st $10 w/rsvp before 10:30pm

OC Fair & Event Center 31 Oct 2026

Candlelight: Halloween Classics

First United Methodist Church of Costa Mesa 30 Oct 2026

PAINT WINE EXPERIENCE: TRICK OR TREAT

Inspired Art Wine 17 Oct 2026

Halloween Pet Fashion Show

Paul Mitchell The School Costa Mesa 4 Oct 2026