About
California Strong Athletics offers KinderGym, Parent & Tot, girls and boys gymnastics, tumbling, recreational gymnastics, competitive teams, adult gymnastics, strength and conditioning, birthday parties, camps, and events. The program uses structured progressions with transparent progression from beginner to advanced and longer class times that allow real development. It is not a drop-in activity center and not a win-at-all-costs environment.
• Ages: 1–18 years old
• Schedule: Class and program options are available Monday–Friday from 2:00 PM to 8:00 PM and Saturday from 8:00 AM to 5:00 PM.
• Price: KinderGym starts at $125/month; Recreational Gymnastics (Levels 1–2) and Tumbling start at $145/month; Rec Level 3 starts at $170/month.
California Strong Athletics offers flexible month-to-month memberships with three tiers (Kickoff, Platinum, Ultimate), and all new families begin with a 30-Day Trial. The program includes a 30-Day Trial with refund of tuition if a child is not satisfied after attending all scheduled classes for 30 days. The gym has a waiting area for parents and serves families in Concord, Clayton, Walnut Creek, Pleasant Hill, and surrounding communities.
California Strong Athletics was founded by Zachary Stevens. The leadership culture is described as leadership-driven and rooted in accountability and encouragement. The staff includes USAG-certified and USAG-trained coaches with ongoing professional development and mentorship, and the program lists 10+ expert coaches, over 300 active athletes, 300+ current members, and 1000+ athletes trained.
The stated mission is that gymnastics is the tool and community is the mission, with a focus on children first and sports second, serving families in the Concord area. The program describes itself as having a character-first, athlete-first approach in a community-driven environment with individual attention and personalized coaching. California Strong Athletics notes a 5.0★ rating on Yelp and Google.
Parent reviews describe expert, kind, and motivating coaches, a well-kept gym with a very nice waiting area for parents, and staff who are accommodating with scheduling overlapping class times for siblings. Testimonials also mention a competitive team program, intentional skill progression from USAG-certified coaches, and coaches led by Zach who is described as setting the tone with kindness, compassion, and a love of teaching kids.
Last updated June 13, 2026.
• Ages: 1–18 years old
• Schedule: Class and program options are available Monday–Friday from 2:00 PM to 8:00 PM and Saturday from 8:00 AM to 5:00 PM.
• Price: KinderGym starts at $125/month; Recreational Gymnastics (Levels 1–2) and Tumbling start at $145/month; Rec Level 3 starts at $170/month.
California Strong Athletics offers flexible month-to-month memberships with three tiers (Kickoff, Platinum, Ultimate), and all new families begin with a 30-Day Trial. The program includes a 30-Day Trial with refund of tuition if a child is not satisfied after attending all scheduled classes for 30 days. The gym has a waiting area for parents and serves families in Concord, Clayton, Walnut Creek, Pleasant Hill, and surrounding communities.
California Strong Athletics was founded by Zachary Stevens. The leadership culture is described as leadership-driven and rooted in accountability and encouragement. The staff includes USAG-certified and USAG-trained coaches with ongoing professional development and mentorship, and the program lists 10+ expert coaches, over 300 active athletes, 300+ current members, and 1000+ athletes trained.
The stated mission is that gymnastics is the tool and community is the mission, with a focus on children first and sports second, serving families in the Concord area. The program describes itself as having a character-first, athlete-first approach in a community-driven environment with individual attention and personalized coaching. California Strong Athletics notes a 5.0★ rating on Yelp and Google.
Parent reviews describe expert, kind, and motivating coaches, a well-kept gym with a very nice waiting area for parents, and staff who are accommodating with scheduling overlapping class times for siblings. Testimonials also mention a competitive team program, intentional skill progression from USAG-certified coaches, and coaches led by Zach who is described as setting the tone with kindness, compassion, and a love of teaching kids.
Last updated June 13, 2026.
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