Milpitas' annual Halloween tradition, Pumpkins in the Park, held at Cardoza Park, offers a chance for the whole family to show off your costumes, trick-or-treat at community booths, and enjoy crafts, games, and performances by youth community groups. With the purchase of a Pumpkin Pass, children can also participate in special experiences and activities, such as a petting zoo, rock climbing wall, and special inflatable games. Saturday, October 25, 2025  11 a.m.- 2 p.m.Cardoza ParkKennedy Dive and Park Victoria DriveFree Admission. Purchase Pumpkin Passes for premium activities for $18