About Us

Reliable Plumbing - HVAC Services in Mountainside, NJ

At In-Line Plumbing and Heating, LLC, we’re proud to serve Mountainside, NJ, and the surrounding areas of Union, Morris, and Somerset counties with reliable ...

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Excellence in Plumbing, Heating, and Cooling Solutions

We believe that true professionalism and unwavering commitment set us apart. Our team operates with integrity and respect, bringing extensive knowledge and e...

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Built on Decades of Experience and Dedication

Our company was founded on years of hands-on experience in the plumbing and HVAC industry, rooted in a dedication to quality work and reliable service. With ...

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Plumbing

Bathroom Upgrades - Remodels

Water Conditioning

A/C Service

Heating

Generator Installation

Water Heaters

Testimonials

Reviews

Sebastian Salas (Sebi)
Stan was on-time, very friendly and very transparent about the work he did. A pleasure to deal with. 
Mar 19, 2025
Tom Perry
As always the service was both prompt and professional. 
Mar 14, 2025

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Fill out the form below to connect with In-Line Plumbing and Heating, LLC. Whether you’re looking for a quick repair, a full system installation, or a consultation, our team is ready to provide you with reliable, professional service you deserve. We look forward to hearing from you. Please leave service area in your request, TY!