Web Purchase Refund Policy | Underground Jiu-Jitsu

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Online Purchases of Trial Memberships

Underground Jiu-Jitsu's online purchases are collected by Underground Jiu-Jitsu.

Underground Jiu-Jitsu will refund any purchases made online where services were not delivered to your satisfaction that are disputed within 30-days of initial payment online and receipt date.

To request a refund please contact us at info@underground-bjj.com with the Subject: Refund and your Name. Please be sure to include contact information in your email.

Underground Jiu-Jitsu welcomes your comments, if you would like to contact us please email us at info@underground-bjj.com.

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Mounir C. Cejin

I had never done jiujitsu before and just prior to enrolling at Underground I had tried other jiujitsu gyms in the area. This is by far the best I’ve come across!!! Comprehensive stepwise instruction easing your way into jiujitsu. Professor Diego Santana really shares his passion for jiujitsu with his students. Every class is super enjoyable due to the amazing group of people that go there! I have lots of fun every single class. I give this place two thumbs up!!!

Milton Cadogan

This is an incredible BJJ dojo. Professor Diego has cultivated a school which focuses on character and strength-building through Jiu Jitsu. He has extremely precise technique and an equal pairing of discipline and kindness to his students on the mat. The atmosphere is extremely friendly and the students are there to train in earnest.

Kevin Johnson

Great atmosphere, great instructor, great workout

Love this school and this family of people. Age, experience, and size do not matter. Coach will push you to do your best and to not only compete with others but compete with yourself to get better.

Randy Jaouhari

I joined the gym about 4 months ago and can say that it’s been great so far. Professor Diego is really helpful in the small details and specifics of each technique. Everyone at the gym is also very friendly and easy to talk to with. There are classes for beginners and those who’ve been practicing for a while so everyone has a chance to learn at their own pace.

Tony Aguilar

I’m brand new to BJJ, a little over a month in and there is a massive difference from day 1 til now.
Definitely addicted now.
Coach Diego takes his time explaining the steps and answering questions.
The environment is also very positive and welcoming.
You won’t regret beginning your BJJ journey here.

Jesse Goode

Professor Diego is literally one of the best in the game. Coming here you are welcomed with incredible people who train very efficient and with beautiful technique. It is an HONOR to be welcomed and learn from Professor Diego and his students. They all have heart and are compassionate humans that care about your future and safety. I cannot recommend this school enough and I look forward to seeing this gym prosper and flourish.

Richard F.

I have been with Coach Diego for 4 years and I can tell you right now that Underground Jiu Jitsu is by far the best choice to train. The vibes are great and the people are even better! Coach Diego is an accomplished competitor and an amazing instructor with great attention to detail. Our school is growing fast and with spring and summer around the corner it’s also a great way to exercise and get that vacation body ready! Get in shape and learn some sport and also self defense techniques!!

Shasity T.

I've had one other Jui Jitsu experience and promised myself I would never try again. I had a friend invite me to an intro class and it was the best experience! I walked in expecting to get hurt however I walked out learning several self defense moves in 1 class!! Diego & Sydney are super friendly and inviting. They make sure you're comfortable & are truly understanding the movements. 10/10 recommend

Zuri Giang

Been wanting to try Jiu Jitsu for a while and really glad I tried it here. Learned a lot and had fun. The experience convinced me to continue learning.

Ijah Baltimore

Excellent instruction

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By providing your number you consent to receive marketing/promotional/notification messages from Underground Jiu-Jitsu. Opt-out anytime by replying STOP. Msg & Data rates may apply.