About Us

M&M American Builders of NH

Our Team


John McGrath | Owner

John started out as a Merrimack College Graduate with a BS in Civil Engineering. He has 30 years of Construction Management and Supervision in the commercial and residential markets. John has worked on private schools including Merrimack College, St. Paul's School, Gordon College, Concord Academy and several others. He has managed projects for pharmaceutical company renovations, hospitals including Wentworth-Douglass Hospital, Frisbee Memorial and Concord Hospital. He has also managed high-end retail spaces in the Boston area and throughout New England.


Keith Mochida | Owner

Keith has been in the computer industry before moving over to the construction industry. He specializes in high-end millwork and carpentry services. He has done just about everything in the business, including brownstone renovations in Boston, MA, house framing, finish trim, window and door installation and wood flooring. Keith is also exceptional at tile installation and finish millwork. He has worked on large scale projects of cabinets and trim on residential apartment buildings.

Serving Our Communities 

M&M American Builders of NH, LLC is a growing company from Manchester, New Hampshire. We have the expertise in projects ranging from, but not limited to, Commercial, Institutional, Retail and Residential. Our finish carpenters are the core of American Builders. We are successful in completing scheduled projects with professionalism and excellence.


Affiliations | Memberships




"John and Keith are great to work with. They work really hard, and are consistent, reliable, trustworthy contractors. I would work with them anytime!" - Emma Paradis, Owner (The Impeccable Nest, Bedford, NH)

"This company is excellent to work with. They are conscientious and very good at communicating at every step of the process and keep you updated on the work. They worked within my budget and I ended up with a beautiful maintenance-free deck. No complaints and very happy I chose this company." - Mina C., Property Owner (Londonderry, NH)

"American Builders did a wonderful job renovating my space for my new nail spa. We are getting excellent reviews about the atmosphere and workmanship I would highly recommend them." - Calvin Nguyen, Owner/Manager (Bedford Nail Spa, Bedford, NH)


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