Costa Mesa Boo Ha Ha. Haunted Oktoberfest

October 24, 2026, 5 p.m.-12 a.m. (Midnight)

Orange County Fairgrounds, Action Sports Arena
88 Fair Dr.
Costa Mesa, CA
$55-100, ocfair.com

• Unlimited tastings from top breweries
• Dead Man's Demolition Derby
• Live music
• Costume contest
•  DJ
• Nightmare On 80s Street
• Saved By The 90s
• 10-11:30 p.m.  After Party

 Brew Ha Ha Productions and OC Fair & Event Center produce this event

Seasonal Adventures Pumpkin Patch

October 1-31, 2026

Orange County Fairgrounds
88 Fair Drive
Costa Mesa, CA
Free admission; $12 parking Fri-Sun, ocfair.com

 Monday-Thursday  4-9 p.m.
Friday  4-10 p.m.
Saturday, 11 a.m.-10 p.m.
Sunday, 11 a.m.-9 p.m. Closing at 7 p.m. on Oct. 31

OC Fair & Event Center Lot C
88 Fair Drive
Costa Mesa, CA
Free, ocfair.com
Parking is free Monday -Thursday and $12 Friday-Sunday.

Inflatable slides, kiddie rides, a petting zoo and a train. 

Seasonal Adventures Pumpkin Patch Family-fun pumpkin patch 

Pick out your perfect pumpkin or shop the farmers market for farm fresh squash and gourds. No pets allowed. 

Scarecrow Festival

October 10, 2026, 2-6 p.m.

Lions Park
1845 Park Ave.
Costa Mesa, CA
Free, costamesaca.gov

Costa Mesa Barktoberfest

October 17, 2026, 11 a.m.-2 p.m.  

Costa Mesa Bark Park - Tewinkle Park
970 Arlington Dr.
Costa Mesa, CA
Free, costamesaca.gov or (714) 754-4918

Canine Costume Contest, Vendors, Pet adoptions, K-9 Unit, Pet Costume Parade, Food Trucks, Training Introductory Class and a howling good time.

Events are not guaranteed. It is your responsibility to confirm before going.