New Construction & Remodel Plumbing for Builders

Serving general contractors and custom and spec builders across Essex County and Northeast Middlesex County, MA.

MJC Plumbing Inc. brings 26 years in business and 44 years of new-construction experience — reliable rough-ins, on-time on the jobsite, fully licensed, bonded, and insured.

26 Years in Business - 44 Years in New Construction - Licensed, Bonded & Insured

PHCC Member

Copper supply piping and near-boiler connections in a residential mechanical room installed by MJC Plumbing

OUR SERVICES

PEX water lines run through wood framing during a new construction plumbing rough-in

New Construction Plumbing

Complete plumbing for new homes, custom and spec builds.

Red and blue PEX water lines run through wood framing during a new construction plumbing rough-in

Rough-Ins for Builders & GCs

On-schedule rough-ins coordinated to your build phases.

Remodeled bathroom with navy vanity, quartz countertop, and undermount sink plumbed by MJC Plumbing

Remodels & Repipes

Full remodel plumbing and whole-home repipes.

Newly installed tub and shower combination with brushed-nickel fixtures

Why General Contractors Trust MJC Plumbing

For 26 years, MJC Plumbing has been the plumbing partner builders count on — 44 years of hands-on new-construction experience, dependable scheduling, and clean rough-ins that pass inspection. We're licensed, bonded, and carry both liability and workers' comp, so you're covered on every jobsite.

Recent Work

DVC Residential - Strongwater Crossing — Salem, MA

Licensed & Insured

Licenses: 11369-PL-M · 21168-PL-J · 2943-PL-C

Liability + Workers' Comp - PHCC Member

Strong water Crossing housing in Salem, MA Plumbing by MJC Plumbing

FAQS

What areas do you serve?

We serve Essex County and Northeast Middlesex County, MA.

Do you work with general contractors and builders?

Yes — new homes, custom and spec builds are our main focus.

Are you licensed, bonded, and insured?

Yes. We're fully licensed, bonded, and carry both liability and workers' comp coverage.

How do you schedule rough-ins around our build timeline?

We coordinate directly with your schedule to keep rough-ins on time and your build on track.

Building? Let's talk.

Salem, MA, USA