Costa Mesa Halloween Events

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

OC Fairground Costa Mesa Building 31 Oct 2026

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

OC Fair & Event Center 31 Oct 2026

Terror in Tulum: Halloween Costume Party at Casa de Onda, Costa Mesa

Casa de Onda 31 Oct 2026

PROJECT NIGHTMARE @ OC FAIR & EVENT CENTER | OCTOBER 31ST

OC Fair & Event Center 31 Oct 2026

Palenque Costa Mesa: Halloween Costume Party

Palenque Kitchen Costa Mesa 31 Oct 2026