Merz Built Fitness Studio Exterior
Linden, NJ · Private Studio & 24/7 Access

Private Gym and Personal Training in Linden, NJ

A private studio in Linden, New Jersey built for people who want to train without the crowds. Coaching, open gym, and room to actually work.

Private Studio
24/7 Access
Built Community
Merz Built Fitness
Book a Tour With Our App

Download the official Merz Built Fitness app to schedule tours & key access.

Why Train Here

Designed for Coaching & Results

Commercial gyms are built for memberships. We are built for transformation.

Private & Uncrowded

No waiting for equipment. A focused room where you can work without an audience.

Tailored Programming

No template workouts. Every set is built around your body and your goal.

Real Accountability

Coaches who notice when you skip. A room that knows your name.

Train On Your Time

Members get their own key fob and come and go whenever it suits them.

The training floor at Merz Built Fitness
Linden, NJ
309 W St Georges Ave
Built Different · Built Together

The Built Method

Whether the goal is losing fat, getting properly strong, or stepping on a bodybuilding stage, the approach is the same: take the guesswork out, then hold you to it.

You get a plan that fits your week rather than one that assumes you have nothing else going on, and someone paying attention to how it is actually going.

Coaching adapted for people with jobs and families
A layout with no commercial gym distractions
A community that keeps you showing up
The Team

Who You Will Train With

Billy Merz Jr.
Billy Merz Jr.
Founder & Head Trainer
Joanna Merz
Joanna Merz
Co-Owner
Krishna Mansukhani
Krishna Mansukhani
Personal Trainer

Are you a trainer looking for a home for your clients?

Train Out Of Our Facility
The Facility

Built For Serious Work

Free weights and benches

Free Weights & Benches

Cardio equipment

Cardio

Strength machines

Strength Machines

Reviews

What Members Say

Come See The Place

Book a walk-through and decide for yourself.