Halloween party Events and Things to do in Costa Mesa, CA

HALLOWEEN NIGHT @ OC FAIRGROUNDS $10 W/RSVP BEFORE 10:30PM | 18+
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
HALLOWEEN NIGHT @ OC FAIRGROUNDS $10 W/RSVP BEFORE 10:30PM | 18+
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
OC FairGrounds Halloween Night, October 31st $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
OC FairGrounds Halloween Night, October 31st $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
Sales end soon
XELOSA HALLOWEEN 2026
Thursday at 9:30 PM
Santa Ana · Yost Theater
Sales end soon
XELOSA HALLOWEEN 2026
Thursday at 9:30 PM
Santa Ana · Yost Theater
Haunted HEAT Halloween
Saturday at 9:30 PM
Anaheim · HEAT Ultra Lounge
Haunted HEAT Halloween
Saturday at 9:30 PM
Anaheim · HEAT Ultra Lounge
DEADZONE: Haunted Yost - Halloween Night
Saturday at 10:00 PM
Santa Ana · Yost Theater
DEADZONE: Haunted Yost - Halloween Night
Saturday at 10:00 PM
Santa Ana · Yost Theater
OC Fairgrounds Halloween Costume Party, October 31st
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
OC Fairgrounds Halloween Costume Party, October 31st
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
Selling fast
Hive & Haunted
Saturday at 4:00 PM
Irvine · Hive and Honey Rooftop Bar
Selling fast
Hive & Haunted
Saturday at 4:00 PM
Irvine · Hive and Honey Rooftop Bar
Titanic Masquerade Newport Beach OC Halloween Party Cruise
Saturday at 7:00 PM
Newport Beach · Endless Dreams Yacht Newport Beach
Titanic Masquerade Newport Beach OC Halloween Party Cruise
Saturday at 7:00 PM
Newport Beach · Endless Dreams Yacht Newport Beach
PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
EXTRAVAGANZA XALLOSWEEN PARTY
Saturday at 9:00 PM
Anaheim · Xalos Event Center
EXTRAVAGANZA XALLOSWEEN PARTY
Saturday at 9:00 PM
Anaheim · Xalos Event Center
Sales end soon
Sega Genecide
Friday at 10:00 PM
Costa Mesa · The Wayfarer
Sales end soon
Sega Genecide
Friday at 10:00 PM
Costa Mesa · The Wayfarer
Sales end soon
HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31
Friday at 7:00 PM + 1 more
Huntington Beach · Fred's Mexican Cafe
Sales end soon
HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31
Friday at 7:00 PM + 1 more
Huntington Beach · Fred's Mexican Cafe
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez
Sales end soon
W3N Fridays: FREAKFEST HALLOWEEN 10/30
Friday at 10:00 PM
Santa Ana · Yost Theater
Sales end soon
W3N Fridays: FREAKFEST HALLOWEEN 10/30
Friday at 10:00 PM
Santa Ana · Yost Theater
Terror in Tulum: Halloween Costume Party at Casa de Onda, Costa Mesa
Saturday at 9:00 PM
Costa Mesa · Casa de Onda
Terror in Tulum: Halloween Costume Party at Casa de Onda, Costa Mesa
Saturday at 9:00 PM
Costa Mesa · Casa de Onda
Sales end soon
Masquerade Macabre: Halloween Masquerade Party at Casa de Onda, Costa Mesa
Friday at 9:00 PM
Costa Mesa · Casa de Onda
Sales end soon
Masquerade Macabre: Halloween Masquerade Party at Casa de Onda, Costa Mesa
Friday at 9:00 PM
Costa Mesa · Casa de Onda
Sales end soon
TRICK or TREAT HALLOWEEN NIGHT
Saturday at 10:00 PM
Anaheim · 1233 S Brookhurst St
Sales end soon
TRICK or TREAT HALLOWEEN NIGHT
Saturday at 10:00 PM
Anaheim · 1233 S Brookhurst St
Selling fast
Monster Masquerade Halloween Costume Party
Saturday at 9:00 PM
Santa Ana · The Copper Door
Selling fast
Monster Masquerade Halloween Costume Party
Saturday at 9:00 PM
Santa Ana · The Copper Door
Newport Beach VIP Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez
Newport Beach VIP Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez

Trends in Costa Mesa

Explore more trends

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

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

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

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

XELOSA HALLOWEEN 2026

XELOSA HALLOWEEN 2026

Haunted HEAT Halloween

Haunted HEAT Halloween

DEADZONE: Haunted Yost - Halloween Night

DEADZONE: Haunted Yost - Halloween Night

OC Fairgrounds Halloween Costume Party, October 31st

OC Fairgrounds Halloween Costume Party, October 31st

Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm

Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm

Hive & Haunted

Hive & Haunted

Titanic Masquerade Newport Beach OC Halloween Party Cruise

Titanic Masquerade Newport Beach OC Halloween Party Cruise

PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN

PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN

EXTRAVAGANZA XALLOSWEEN PARTY

EXTRAVAGANZA XALLOSWEEN PARTY

Sega Genecide

Sega Genecide

HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31

HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31

Newport Beach Halloween Party Pub Crawl 2026 Halloween Night

Newport Beach Halloween Party Pub Crawl 2026 Halloween Night

W3N Fridays: FREAKFEST HALLOWEEN 10/30

W3N Fridays: FREAKFEST HALLOWEEN 10/30

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

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

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

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

TRICK or TREAT HALLOWEEN NIGHT

TRICK or TREAT HALLOWEEN NIGHT

Monster Masquerade Halloween Costume Party

Monster Masquerade Halloween Costume Party

Newport Beach VIP Halloween Party Pub Crawl 2026 Halloween Night

Newport Beach VIP Halloween Party Pub Crawl 2026 Halloween Night

Things to do around Costa Mesa

Trends in Costa Mesa

1. Halloween party

2. Sound bath

3. Halloween parties orange county

4. Lucha libre

5. Stand up comedy

6. Free kids

7. Latte art

8. Volunteer

9. Warehouse sale

10. Reformation

11. Pilates

12. House music