Oct. 1–31, 2026 · Mon–Thu 4–9pm, Fri 4–10pm, Sat 11am–10pm, Sun 11am–9pm
Costa Mesa · Pumpkin Patches · All ages
Pumpkin patch at the OC Fairgrounds with mechanical rides, inflatable slides, obstacle courses, bounce houses, a petting zoo and a train, plus pumpkins, squash, gourds and fall decor. One admission covers the rides here (under 2 free); fairgrounds parking is free Mon–Thu and paid Fri–Sun.
Tanaka’s Costa Mesa pumpkin patch at Hana Field — a separate location from the Irvine farm. Opens Oct. 3, 2026; Wed–Sun 9am–6pm; reservations required. Cashless.
A 21+ zombie homecoming at the OC Fair & Event Center: 100+ craft beer, hard seltzer and cider pours from 6:30 to 9:30pm, Saved by the 90’s, A Nightmare on 80’s Street and live lucha libre from Lucha Goth Haus, then an after-party until 11:30. Costumes encouraged; keep your face visible for ID.
OC Fair & Event Center, 88 Fair Drive, Costa Mesa, CA 92626
Pacific Symphony's family Halloween concert, recommended for ages 5+, with all attendees needing a ticket. Lobby Halloween activities before each show; costumes encouraged.
Renée and Henry Segerstrom Concert Hall, 600 Town Center Dr, Costa Mesa, CA
The one day of the season dogs can join the fun at Tanaka Farms’ Hana Field: pup costume contests at noon and 2pm, adoptions with four local rescues, 30+ pet vendors, the pumpkin patch, flower fields, the dino corn maze, tractor rides and food trucks.
A dog- and family-friendly Halloween afternoon at The LAB: a free pumpkin patch (250 pumpkins, one per person), pup and dog-plus-human costume contests, kids’ trick-or-treating, pup portraits, local dog vendors and free matchas for early costumed arrivals.
The LAB Anti-Mall, 2930 Bristol St, Costa Mesa, CA 92626