United By Fitness

United By Fitness


Health & Wellness

About Us

At United By Fitness, we offer 30-minute workouts that fit into your busy lifestyle and deliver RESULTS! We also offer nutrition guidance, small group and personal training and special Forever Young sessions for the more mature adult. Located centrally in Placentia, we are a community of like-minded people who welcome and support everyone. Beginners are totally welcome. We are more than a gym, we are family!

Our classes are simply the best small group training class you'll find in Orange County...at a GREAT price. Personalized service, great coaches, an awesome community and a variety of class times make our results oriented program unbeatable. We even offer all of our sessions live on Zoom for your convenience!

Personal Training is available for 1-on-1, or semi-private training (2 people). Your training program is customized to your unique goals and your fitness level. Along with your training you will get nutrition guidance to achieve amazing RESULTS!!

We offer sessions from as early as 5:30 am to 5:30 pm. With sessions only 30 minutes long, it fits into everyone's busy lifestyle. Come try us out for one FREE week and see what the buzz is all about!


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The "before" was taken the day before she started with us!
Ready for her wedding day!
This is what consistency and dedication can get you!
Working out sitting down because of a broken foot!
Is that a 6-pack I see?
Amazing results!
From day one to now...WOW!
Look at her smile now!
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Forever Young!!
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Rep/Contact Info

Nancy Castellanos
Administrative Assistant
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Mandy DiAddezio

Placentia Chamber of Commerce
117 N. Main Street
Placentia, CA 92870