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Hernandez Martial Arts

4.7 ★★★★★ 77 Google reviews · Karate dojo in Union City, California

Free trial Beginners welcome Kids & teens

Plan your first class

  • Free trial / intro class most dojos welcome new students 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 Karate classes (ages 5–6) — built around discipline, focus, and confidence
  • Today see hours ·
  • Website & schedule hernandezkarate.com — book classes and see the live schedule
  • Phone (510) 487-3790

Hours

Monday 3:30–9 PM
Tuesday 3:30–9 PM
Wednesday 3:30–9 PM
Thursday 3:30–9 PM
Friday 5–8 PM
Saturday Closed
Sunday Closed

Hours shift for holidays, belt tests, and seminars — worth a quick check before a special trip.

The classes they run

Karate classes on the schedule at Hernandez Martial Arts, confirmed in students' own reviews and the dojo's own info — not guessed from the sign out front.

🧒 Kids Karate 27 mentions

“My daughter, Dunya has gone to Hernandez Martial Arts for about 1 year and a half and the amount of confidence/focus and positive mindset she has gained is beyond our expectations!”

All dojos that run kids karate →

🛡️ Self-Defense 2 mentions

“Since joining, my sons have developed excellent self-defense skills while also gaining confidence, discipline, and respect.”

All dojos that run self-defense →

Other martial arts here

Karate dojos are usually multi-discipline. Here's what else students mention training under the same roof at Hernandez Martial Arts — mined from their reviews and the dojo's own info.

🛡️ Self-Defense 2 mentions

“Since joining, my sons have developed excellent self-defense skills while also gaining confidence, discipline, and respect.”

Other dojos that also teach self-defense →

Disciplines are mined from reviews and the dojo's own info — they show what students have trained, not a formal class guarantee. If you specifically want taekwondo, jiu-jitsu, or kickboxing alongside your Karate, confirm the current schedule with the dojo.

What students say

The things reviewers bring up again and again across 77 Google reviews — in their own words.

🌱 welcoming to beginners 4 mentions

“His instructor, who is also the owner, is thorough, welcoming, and takes the time to know each child personally.”

friendly, respectful dojo 17 mentions

“From Grandmaster, Professor Bobby, Sifu and all the front desk staff my family has always been welcomed with open arms and warm smiles.”

🧒 strong kids program 5 mentions

“Since starting our journey here three years ago my daughter has gained so much confidence in herself and her outlook on life is so much more positive.”

builds confidence, discipline & respect 35 mentions

“My daughter, Dunya has gone to Hernandez Martial Arts for about 1 year and a half and the amount of confidence/focus and positive mindset she has gained is beyond our expectations!”

From the reviews

My kid has been here for a month and I already see lot of confidence increase in her She really excited to go to class weekly twice. Staff is really friendly and they are tech savvy too because they have a mobile app too.

★★★★★ — Ajay, May 2022

From the moment we stepped into Hernandez martial arts dojo we knew we had found a place that we were comfortable with for my son. Everyone is very welcoming and professional. One thing other than learning karate that caught my attention was how much they are about child development.

★★★★★ — Kris, Aug 2025

My daughter has been going for Karate here since she was 4. She loves it here. The teachers are great and they inspire and motivate the kids to be their best and do their best not just at karate but overall. They are a positive influence on her growth. She looks forward to going to karate every week.

★★★★★ — Reena, Apr 2025

We’ve had our daughter at this martial arts school for a couple of years, and it’s been a wonderful experience. The atmosphere is always welcoming, friendly, and passionate. The instructors push students in a thoughtful, gentle way that builds confidence, resilience, focus, respect, and strength.

★★★★★ — Angelica, May 2026

Excerpts from public Google reviews. Read all 77 reviews →

New to Karate? Start at Hernandez Martial Arts

Hernandez Martial Arts comes up as a beginner-friendly dojo — noted on their own site. If you've never thrown a punch or set foot in a dojo, 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 the sensei scales the intensity to you. Second, you won't be thrown into hard sparring — reputable dojos build fundamentals (stances, blocks, punches, and kicks) for weeks, and kumite (sparring) eases in gradually, with pads and control. Third, all levels and ages really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most dojos 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 Karate class at Hernandez Martial Arts

Nervous about walking into a Karate dojo for the first time? Almost everyone is, and a good sensei expects 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 stances, blocks, punches, and kicks — not hard sparring. Step to the side 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. What to bring: water, and a mouthguard if you have one — many dojos 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 and the belt your dojo awards you. Kumite (sparring) eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the sensei. It gets easier fast — most people feel far more at home by their third class.

Karate is a contact sport. Ease in, train within your limits, listen to your instructors, 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 Hernandez Martial Arts

33476 Alvarado-Niles Rd, Union City, CA94587

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