Built Once. Built Right.
J&M Contracting is a full-service general contractor serving homeowners across Southern New Hampshire and Northern Massachusetts. We manage every detail of your project — from initial planning through final walkthrough.
- Full Project Oversight
- Licensed & Insured
- Serving NH & MA
What We Do for Homeowners in NH and MA
From kitchen remodels to custom builds — managed from start to finish.
Kitchen & Bath Remodels
Transform your kitchen or bathroom with expert design coordination and quality craftsmanship.
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Additions & Expansions
Add space to your home with seamless structural additions managed from permits to finish.
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Full Home Renovations
Complete whole-home transformations with phased project management and minimal disruption.
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New Construction / Custom Homes
Build your dream home from the ground up with full project management at every stage.
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Exterior & Hardscape
Paver walkways, granite steps, patios, and outdoor living builds designed to last through New England winters.
Learn More →Recent Projects Across Southern NH + Northern MA
Browse recent projects from across Southern NH and Northern MA.
“Amazing experience! We had our mud room totally renovated. The project went as scheduled and budgeted. The team was professional, worked very cleanly and results are great. It changed our whole home. I would definitely recommend J&M.”
John Tonole
Newburyport, MA · Mudroom Renovation & Custom Built-Ins · Spring 2025
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