Livermore children's playspace with toddler and junior zones, a rock wall, a princess castle, party rooms, and a snack bar.

Castro Valley indoor playground with open play, party rooms, and flexible options ranging from everyday visits to private events.

Inclusive sensory play center in Redding designed with occupational-therapy roots, offering drop-in play, booked experiences, events, and private parties.

Brentwood trampoline park with open jump tickets, memberships, birthday parties, and high-energy indoor play for mixed ages.

Small Newark indoor playspace and learning studio geared mainly to infants, toddlers, and preschoolers.

Salinas family entertainment center with arcade games, toddler-friendly rides, a trampoline zone, pizza, and birthday packages.

Samoa cheer and tumbling gym with toddler Daytime Playtime, trampolines, soft equipment, and private party rentals.

Palm Desert trampoline park with wall-to-wall jumping, foam pits, ninja activities, toddler sessions, and birthday parties.

Sunvalley Mall indoor playground in Concord with large soft-play structures, walk-in play, and birthday party packages.

All-day indoor playground on California Avenue with large climbing and slide play, re-entry privileges, and birthday parties.

Atwater indoor playground geared toward younger kids, with open play, pretend-play areas, and a family-friendly neighborhood feel.

Large indoor trampoline park in Redding with jump courts, a junior zone, ninja-style attractions, arcade games, and birthday parties.

Indoor trampoline and active-play park in Chico with toddler jump times, ninja-style attractions, arcade games, and birthday parties.

Ventura trampoline park with freestyle jump, foam landings, a ninja course, toddler programs, memberships, and birthday parties.

Large Fresno freeplay arena with timed admission, café service, memberships, and a neon-styled active indoor play setup.

Mall-based indoor party venue in Clovis with weekday open play, jungle gym fun, bounce play, and strong private-party options.

Lake Forest indoor playground for younger kids with a two-level structure, wave slide, foam-ball features, and a gated toddler area.

Space-themed indoor playground in Natomas for ages 0–8 with weekday open play, Friday-Saturday evening hours, and themed birthday packages.

Eureka gymnastics gym with weekday parent-and-me indoor play for littles, plus older-kid open-play nights and birthday parties.

Scotts Valley play café with hourly indoor play, café service, memberships, events, and family-friendly seating.

Tustin creative indoor play at 514 E 1st Street, with climbing nets, water play, toddler space and coffee. Check private-event closures before arrival.

Downtown Visalia children's museum for ages 1-8 with hands-on exhibits, screen-free play, and thoughtful party options.

Caregiver-and-child play studio in Clovis for ages 0-5 with open play, sensory stations, classes, and private events.

Big indoor adventure park in Clovis with trampolines, ropes and obstacle play, arcade games, and special sensory Sunday hours.