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

ENJOY THE FRIGHT HALLOWEEN NIGHT - TRIBUTES DEPECHE MODE & CURE COSTA MESA

The Wayfarer 31 Oct 2026

Halloween Swingthing 2026

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

Pioneer Halloween Party

Pioneer 24 Oct 2026

Eric Roebuck Band does Merle, R Charly does Waylon, Parker Smith does Hank

The Wayfarer 24 Oct 2026

M**der, I Hardly Know Her - A Special Halloween M**der Mystery Improv Comedy

Improv Collective 24 Oct 2026

Hogwash - A Wizarding World Themed Event and Show Halloween Special

Improv Collective 24 Oct 2026

Nice and Swell, Jahtiva, The Rudians

The Wayfarer 29 Oct 2026

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

OC Fair & Event Center 31 Oct 2026

Halloween cat Paint and Sip in Costa Mesa!

Salt & Lime Modern Taqueria 28 Oct 2026

Durty Nelly's Comedy Night featuring Dustin Chafin and Leah Bonnema!

Durty Nelly's Irish Pub & Restaurant 24 Oct 2026

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

Casa de Onda 31 Oct 2026

Enchanted Halloween Costume Ball by Epic Entertainment OC

Palenque Kitchen by Mezcal, Costa Mesa 24 Oct 2026

The (John) Candy with Looks Bad Sounds Worse

The Wayfarer 30 Oct 2026

Spooky Sculpt

3195 Airport Loop Dr suite d2 29 Oct 2026

Masquerade Macabre: Halloween Masquerade Party at Casa de Onda, Costa Mesa

Casa de Onda 30 Oct 2026

The Bellcrows, Dearie, Tan Universe, Ranger Jane

The Wayfarer 28 Oct 2026

OC DAY PARTY ANNUAL COSTUME PARTY

Time Nightclub 25 Oct 2026

Candlelight: Halloween Classics

First United Methodist Church of Costa Mesa 30 Oct 2026

Swing Affair Saturday Special Halloween Dance with Diego & Taylor!

DanScene Dance Studio 31 Oct 2026

Satisfaction at The Harp Inn Halloween Night!!!

The Harp Inn Irish Pub 31 Oct 2026

Halloween Networking Mixer by LeTip Newport Beach

3184 Airway Ave d 27 Oct 2026

Symphony Spooktacular

Renee and Henry Segerstrom Concert Hall 24 Oct 2026

COSTUMES & CASAMIGOS HALLOWEEN PARTY

Haunted Mansion 23 Oct 2026

SOCK HAUNT SOCIAL Halloween 50s & 60s Dance at Cafe Sevilla in Costa Mesa, Thurs 10/29 from 6-10pm!

Cafe Sevilla Orange County 29 Oct 2026