When your family grows or your living needs change, home additions offer one of the best investments you can make in your property. HouseCraft, a full-service residential contractor based in Waltham, Massachusetts, specializes in designing and building high-quality home additions that seamlessly blend with your existing structure. With over 20 years of experience and a portfolio of more than 897 completed projects, HouseCraft is the trusted choice for homeowners throughout the Greater Boston area.