Quality Workmanship with a Lifetime Guarantee


Building and Designing Custom Homes since 1972




We have been  proudly licensed in the State of NH for Master Electrician (Lic. # 5966 and Plumber (Lic. #908) for over 40 years



MET GC Inc. is  a NH Licensed Home Inspector  (Lic. #142) as well as NARI Certified Remodeler (#2147)



MET GC Inc. also holds licensure for NH DES Certified Water Systems Operator (Lic. #2932) along with Certified Pump Installer  (Lic. #914) 



We are a Lead Safe Renovator for the State oh NH (Lic. #LSR-000079)



We are proud to have been voted the Best Builder & Home Improvement Contractor of Greater Nashua



We offer a Lifetime Warranty on our Workmanship, unlike any other firm in New England


Custom Homes & Remodeling

MET GC Inc. has been in business since 1972, making MET one of the oldest construction companies in Southern NH. We proudly offer in-house Architectural AutoCAD floor plans customized to our clients unique needs and budget. We utilize only quality materials and offer a Lifetime Guarantee, unlike any other Building Company around. We also offer remodeling services for our clients looking to update, renovate or enlarge their existing home. A few of our services include:

-Remodeling -New Windows -New Doors-Designs/Blueprints -AutoCAD Drawings -Electrical & Plumbing -Kitchen Renovations -Bathroom Renovations -New Decks-Full Basement Remodeling -Finish Work  -Interior/Exterior Painting -New Porches -New Entrances -Second Floor Additions-Garages -Additions -Hardwood Flooring-Tile Installations -Siding -Roofing-Insulation -Patio Installations -Gazebo Design & Build-Three Season Porches -Farmers Porches -Architectural Designs-Commercial Projects  -Residential Projects -New Builds & Renovations-Custom Woodworking -Custom Cabinets -Interior Finish-Storm Doors/ Patio Doors -Historical Restorations -Insect Damage Repairs-Excavation -Footings/ Foundations -Trucking -Backhoe -Grading/ Landscaping Drainage Installations/ Repairs-Gutter Installations -Sun-room Installations -Skylight Installation-Garage Doors -Basement Waterproofing -Concrete Sealing-Poured Concrete Pads/ Stairs-Laminate Floors -Countertops-Structural Framing -Engineered Beams -Chimney Repair-Handicap/ Accessible Ramps -Storefront Renovations -Office Space Fit-up-Construction Management -Home Inspections -Radon Testing -Lead Testing and Removal

Interior Design

With a Degree from the Accredited Endicott College, Heather Turcott is our Lead Designer, offering an array of services to our residential, hospitality and commercial clients, ranging from design assistance on materials to complete home designs. Heather's experience ranges from working on hospitality projects like Patriot Place in Foxboro to custom homes in Beverly Hills, CA. We believe that each client deserves great design that is not only beautiful and comfortable, but also functional and affordable. We take the time to understand your vision, we have the resources and expertise to bring it to life. The MET Interior Design team can offer you a seamless design process from concept to completion.


We proudly offer in-house Engineering Department, offering Electrical, Mechanical, Clean-room and Industrial Engineering. 


 "To Whom It May Concern,
        The purpose of this letter is to issue an unqualified endorsement as to the quality of the work performed by Mark Twardoski and his company MET General Contracting. Mark's company recently completed work on my home in Goffstown. This was my second home built by MET, the first was built in Amherst in 1994. When it came time to sell the Amherst property the quality of workmanship spoke for itself. After five years the house remained pristine; it sold in one day. At the completion of this second house my sentiments are much the same as the fist. The attention to details and workmanship are, in my view, unmatched by any builder of any size. The benefit of having one individual experienced and conversant in all the trade is invaluable. If and when a question arises about some facet of the project, you will never hear, "I need to talk to the plumber or electrician" etc., as Mark is licensed in those areas as well as several others. With any project of this size there are apt to be some "bumps in the road" that come along. You can be sure that with MET the bumps will be few, and will be handled satisfactorily. The single most important factor in Mark's ability to control quality is the very small (if any), number of sub-contractors involved in the project. I was very involved in both projects and was on the job site on a daily basis. To a man, from excavation to painting, all of MET's employees displayed a pride in their work that has today become all too uncommon.
    At this point, I don't intend to build another home, but if I do, there is only builder I would consider. Mark's work speaks for itself. On that basis I can recommend him without reservation."

   -Mr. T. Gendron


"Mark is Fantastic! Mark/MET are responsive, knowledgeable, they are professional, courteous and clean. I have used them for several home projects and continue to be impressed. True customer service still exists through MET!"

Bedford, NH

"Dear Mark,
        Robin and I would like to express our sincere thanks to MET for a job well done. Over the past year, with your help, we have completed these major renovations:  New Roof, New Windows, New Vinyl Siding, New Doors, New Porch, New Kitchen and our Breezeway was Remodeled                    

    We never imagined that all of this could have been accomplished, yet it was and at a very professional level. MET came highly recommended from several friends and we now see why. We are convinced that most of these renovations would not have been completed if we had not worked with you. You always showed us all of the options and suggested what you felt was the best for each situation, and took the time to explain everything. This made our job easier. In addition, the quality of your work has truly exceeded our expectations. 
    However, the best part of all, is the MET crew itself. All of the guys we have met have been awesome. They were under a real tight time constraint in order to complete all three projects in time for our daughter's First Communion. To us it did not look possible. They always kept things moving and never stopped even when obstacles arose. Their positive attitude kept us positive as well. They put in the extra effort and had everything completed in time, and we really appreciated it. 
    Again, thanks for everything and we look forward to working with you again in the near future."

Mr. and Mrs. Calvino


"I am happy to forward this note to you to let you and Mark know that I am very pleased with the recent concrete slab work that your company performed for me. The job was done on time, as I had requested, and was done to my satisfaction, and fairly priced. The work area was left clean, and it appears Mark took extra care to avoid any damage to my driveway by the heavy trucks, which was one of my greatest concerns.  Thanks again for the job well done!  

Mr. Dave Gagnon Merrimack, NH

"Mark & Crew,
    Thank you so much for the fantastic remodel of our porch. Everyone was extremely professional and courteous throughout the job. The work is/was outstanding and we're so glad to be able to really use the porch now.
    We will use and highly recommend your company in the future too!
    Thank you!

Mr. & Mrs. Johnson
Nashua, NH


"Dear Mark & Heather, Noreen and I just wanted to send a note to thank you for a job well done on our recent addition. Your attention to detail and meticulous approach was very much appreciated throughout your time spent here and we’ve had many compliments on your work from our neighbors.
Your crew was extremely professional, answering any and all questions asked. There was never a day when we came home and found anything but a clean and swept work area and you ensured there was little to no inconvenience to our lifestyle. Both you and Heather were a pleasure to work with. You were always very specific when answering questions and your response times were immediate. It’s great to have found a general contractor that we can both feel comfortable dealing with and who we can trust to do the work as if they were working on their own home. And, most impressively, you completed the work in the time frame you promised!

    We know we have been “tough Customers,” so to speak, but you always took the time to work out any issue that arose and never were satisfied with just doing something the easy way.

    The suggestions you made, such as the motion lights and dedicated wiring, turned out to make life a lot easier. And of course you know you made Noreen very happy with her new closets!


Noreen and Don Canney

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MET General Contracting, Inc.

25 Greeley Street, Merrimack, New Hampshire 03054, United States

P: (603) 429-1540 X13 F: (603) 429-2226 E: Heather@METcontractingInc.com E: Mark@METcontractingInc.com


Monday - Friday: 7:00AM-3:00 PM *Estimates by Appointment Only

Saturday - Sunday: By Appointment Only