When it comes to adding on to your home or converting that old attic or basement into a beautiful new room, you can count on J. Martinoli & Sons to work with you to design a new living space that will meet your needs and stay within your budget. J. Martinoli & Sons has been helping homeowners in the Merrimack Valley Area and Southern New Hampshire with projects large and small for four generations. Whether you want to add on by extending your foundation or building, a second or third floor to your house, we can help from design through completion. Call for a free estimate.