OC Fairgrounds Halloween Costume Party, October 31st

Halloween Costume Party @ OC Fairgrounds, October 31st 🎃 HALLOWEEN NIGHT 🎃 3500+ Capacity — This Event Will Sell Out! Orange County, get ready for one of the biggest Halloween parties to hit Southern California! On Halloween Night, Saturday, October 31st, over 3,500 guests will come together at the OC Fairgrounds for an unforgettable night of music, costumes, entertainment, food, lights, and Halloween-themed production. We’ve all been to the OC Fair year after year and know the experience—great people, great food, fun rides, and an incredible atmosphere. Now, imagine taking that experience and turning it into one epic Halloween party. Expect 8 DJs, an incredible sound and lighting experience, a 40-foot state-of-the-art stage, LED walls, scary Halloween decorations, CO₂ blasts, LED robots, confetti, photo opportunities, food, and more. Get your tickets, grab your crew, put together your best Halloween costume, and get ready to take over the dance floor. This is one Halloween night you do not want to miss! 🎭 HALLOWEEN COSTUMES Halloween costumes are preferred and welcome! Get your outfits ready and come dressed to celebrate Halloween. 🎪 VENUE — OC FAIR & EVENT CENTER • 4 Bars — 21+ to drink • 16 restroom stalls in each restroom — both men's and women's • Fully decorated venue • 40-foot state-of-the-art stage + lighting • LED Wall • Professional Security + OC County Sheriff presence throughout the night 🔥 ACTIVATIONS & ENTERTAINMENT • 8 DJs • CO₂ Blasters • 2 LED Robots • Photo Booth • Glow Sticks • Confetti Poppers • And more Halloween surprises throughout the night 🍕 FOOD A variety of food options will be available throughout the event, including: • Pizza • Chicken Tenders • Candy • Nachos • French Fries • Tacos • Ice Cream 📍 LOCATION OC FAIR & EVENT CENTER 88 Fair Drive Costa Mesa, CA 92626 ALL MATURE AGES ( NO CHILDREN !!! ) 🎟️ TICKET PRICING $10 — RSVP Before 10:30 PM $20 — Early Bird Ticket Valid all night $25 — Skip the Line + Entry ⚠️ IMPORTANT EVENT INFORMATION NO REFUNDS — ALL SALES ARE FINAL. Early arrival is highly recommended. We are not responsible for your place in line. Line begins at 8:00 PM on event day. Doors open at 10:00 PM. 🎃 HALLOWEEN NIGHT AT THE OC FAIRGROUNDS Saturday, October 31, 2026 NIGHTMARE AT THE OC FAIRGROUNDS Come ready. Dress up. Bring your friends. Prepare for the nightmare. “NIGHTMARE AT THE OC FAIRGROUNDS”SATURDAY, OCTOBER 31, 2026