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 ...

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...

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 ...

Plumbing

Bathroom Upgrades - Remodels

Water Conditioning

A/C Service

Heating

Generator Installation

Water Heaters

Testimonials

Reviews

Thomas Macaluso

Over the years Stan has installed, repaired, and maintained the plumbing and heating in my house. His work is the best I have ever seen and his... Read more

Oct 13, 2025

Amy Phillips

So thankful we were connected with In Line Plumbing, Stanley is the absolute best. He was prompt, professional, and most importantly fixed our... Read more

Sep 26, 2025

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