🏋️ Official Rankings
10 Best Gyms in Brentwood, CA (August 2026)
We compared 10 gyms serving Brentwood and Contra Costa County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 501 customer reviews in all.
The 10 listed below hold an average rating of 5.0 out of 5, led by Muscle Mechanics LTM. Updated for August 2026.
- Gyms ranked
- 10
- Average rating
- 5.0★
- Reviews analyzed
- 501
- Area code
- 925
Muscle Mechanics LTM
⭐ 5.0 · 68 reviews
8130 Brentwood Blvd C, Brentwood, CA 94513
Little Gym of Brentwood
⭐ 4.9 · 91 reviews
3850 Balfour Rd K, Brentwood, CA 94513
Orangetheory Fitness
⭐ 4.8 · 191 reviews
2565 Sand Creek Rd Ste 132, Brentwood, CA 94513
The Camp Transformation Center
⭐ 4.9 · 52 reviews
7830 Brentwood Blvd, Brentwood, CA 94513
Grey Group Fitness/CrossFit Takedown
⭐ 4.9 · 33 reviews
3877 Walnut Blvd C, Brentwood, CA 94513
Train Smarter 24/7
⭐ 5.0 · 19 reviews
3341 Walnut Blvd Ste 320, Brentwood, CA 94513
Resolutions4Life Fitness (R4L Fitness)
⭐ 5.0 · 15 reviews
550 Harvest Park Dr Ste f, Brentwood, CA 94513
Voltage Fitness Apex
⭐ 5.0 · 13 reviews
8650 Brentwood Blvd B, Brentwood, CA 94513
FIT4MOM BRENTWOOD
⭐ 5.0 · 11 reviews
3841 Balfour Rd, Brentwood, CA 94513
Gyms in Brentwood — FAQs
What are the best gyms in Brentwood, CA?+
By verified reviews, highly rated fitness options serving Brentwood include Resolutions4Life Fitness (R4L Fitness), Voltage Fitness Apex, Muscle Mechanics LTM, and PAC Strength. The best fit depends on whether you want strength training, coaching, or a general fitness setting.
How do I pick the right gym in Brentwood?+
Think about what you'll actually use — weights, cardio, classes, or coaching — then compare local options on verified reviews and visit for a trial. Brentwood ranges from strength and coaching gyms to 24/7 access and women's fitness, so match the atmosphere to your goals.
Are there strength and coaching gyms in Brentwood, CA?+
Yes — Brentwood has options like Muscle Mechanics LTM and PAC Strength, alongside coaching and 24/7 gyms. Ask each about trial sessions when comparing.
What areas do Brentwood gyms serve?+
Brentwood is in Contra Costa County and uses the 925 area code. Brentwood gyms draw members from across the surrounding East County communities.
Gyms listed here serve Brentwood, Contra Costa County, and nearby ZIP codes including 94513.