Colonial Building Systems is a leader in commercial and residential improvements and maintenance. We strive to provide our customers with the highest-quality craftsmanship and eco-friendly materials on the market. Our specialties include roofing, siding, windows, kitchens, baths, room additions, and insulation. We don't believe in the "good, better, best" system. We only install the best products available -- periodOur reputation is built on outstanding craftsmanship and superior service. Our philosophy is simple: develop versatile systems backed by knowledgeable people who work hard to provide you with the right solutions for your project every time. So when you hire Colonial Building Systems, you're getting more than just a contractor -- you're getting a contractor with a proven track record as a remodeling contractor in MA including installing innovative products, delivering quality craftsmanship, and providing the highest levels of customer service. Our dedicated staff is happy to customize a program to fit your needs.