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Ethos Jiu-Jitsu Fullerton

5 ★★★★★ 101 Google reviews · BJJ gym in Fullerton, California

BJJ gym Free trial Affiliated Beginners welcome Kids & teens Competition team

Affiliated academy — reviews and the gym's own info point to a recognized BJJ lineage or affiliation (think Gracie Barra, 10th Planet, Renzo Gracie, Alliance, Atos or Checkmat). If lineage matters to you, ask which affiliation the academy belongs to and under whom the head instructor earned their black belt.

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth BJJ classes (ages 5–16) — built around discipline, focus, and confidence
  • Competition team a competition team for members who want to test themselves at tournaments
  • Today see hours ·
  • Website & schedule ethosjiujitsu.com — book classes and see the live schedule
  • Phone (657) 390-1133

Hours

Monday 7 AM–8:30 PM
Tuesday 7 AM–8:30 PM
Wednesday 7 AM–8:30 PM
Thursday 7 AM–8:30 PM
Friday 7 AM–8:30 PM
Saturday 9 AM–12 PM
Sunday 10:30 AM–7 PM

Hours shift for holidays, seminars, and open-gym times — worth a quick check before a special trip.

The classes they run

BJJ classes on the schedule at Ethos Jiu-Jitsu Fullerton, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids BJJ 9 mentions

“And now that my daughter is older, she has joined their kids program and is learning a lot about resilience, self-improvement, and growth.”

All gyms that run kids bjj →

🏆 Competition Team 3 mentions

“The coaches are amazing as they each bring different styles whether you are looking to compete or come to have fun learning in a friendly environment.”

All gyms that run competition team →

🛡️ Self-Defense

“Best gym to lose weight and learn self defense!”

All gyms that run self-defense →

🌱 Beginners 8 mentions

“Whether you’re a first timer or been training for a long time, this place will challenge you to grow in your BJJ journey!”

All gyms that run beginners →

Other martial arts here

BJJ gyms are usually multi-discipline. Here's what else members mention training under the same roof at Ethos Jiu-Jitsu Fullerton — mined from their reviews and the gym's own info.

🏟️ MMA

“If you have seen MMA or not sure what to have your kids try send them here.”

Other gyms that also teach mma →

🤼 Judo

“My cousin wanted to train Jiu-jitsu to complement his Judo and convinced me to find a gym with him.”

Other gyms that also teach judo →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want MMA, muay thai, or wrestling alongside your BJJ, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 101 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 3 mentions

“For me, and so many others, Ethos is home and that is thanks to the amazing coaching staff and environment created within those walls.”

🌱 welcoming to beginners 10 mentions

“Whether you’re a first timer or been training for a long time, this place will challenge you to grow in your BJJ journey!”

🤝 no-ego, friendly academy 16 mentions

“The coaches are amazing as they each bring different styles whether you are looking to compete or come to have fun learning in a friendly environment.”

📘 strong technique & fundamentals 4 mentions

“Instruction is excellent, with multiple competitors and coaches who go on the world stage teaching new and improved techniques.”

great workout & conditioning 3 mentions

“One of the coaches, Rodnei Barbosa (a black belt who competes at Roosterweight-127lbs), submitted me about seven times in five minutes without breaking a sweat!”

🧒 strong kids program 2 mentions

“And now that my daughter is older, she has joined their kids program and is learning a lot about resilience, self-improvement, and growth.”

From the reviews

My experience,is that this is a great place to learn as a beginner . I'm a white belt and I will be turning 57 yrs of age in a couple of months for those who are my age , and are thinking twice about it ,Don't .

★★★★★ — Exeptional, Feb 2026

Absolutely love this jiu-jitsu gym! I'm 6'02" 200+lbs and I'll never forget my first day. One of the coaches, Rodnei Barbosa (a black belt who competes at Roosterweight-127lbs), submitted me about seven times in five minutes without breaking a sweat! At that moment, I knew I had to learn this stuff!

★★★★★ — Daniel, Jan 2026

I have been practicing jiu jitsu for about three years now. Ethos is the second BJJ club of which I have been a member. I was directed to Ethos because of the family environment and the ETHOS of the club. A 501C3 affiliate gym with a mission to never let finances stop a kid from learning jiu jitsu.

★★★★★ — Travis, Jan 2026

My cousin wanted to train Jiu-jitsu to complement his Judo and convinced me to find a gym with him. We checked out a few and decided to train at Ethos. Been going to Ethos ever since.

★★★★★ — Benjamin, Jan 2024

Excerpts from public Google reviews. Read all 101 reviews →

New to BJJ? Start at Ethos Jiu-Jitsu Fullerton

Ethos Jiu-Jitsu Fullerton comes up as a beginner-friendly gym — noted on their own site. If you've never rolled or set foot on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and coaches scale the intensity to you. Second, you won't be thrown into hard rolling — reputable gyms build fundamentals (positions, escapes, and basic submissions) for weeks, live rolling eases in gradually, and tapping early keeps every roll safe. Third, all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out, and leave your ego at the door. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

Check beginner classes on their site

Your first BJJ class at Ethos Jiu-Jitsu Fullerton

Nervous about walking into a BJJ gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic positions and escapes with a partner — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many gyms lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

BJJ is a contact sport. Ease in, tap early and often, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Ethos Jiu-Jitsu Fullerton

618 N Harbor Blvd Unit a, Fullerton, CA92832

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.