Coastal Industries, Inc. is proud to provide homes across Massachusetts and New Hampshire with custom designed windows, doors and porch enclosures. Located in Haverhill, MA, our location makes getting to our showroom and factory, and back to your home for installation a breeze! Whether you are looking for vinyl windows in Atkinson, NH or a porch enclosure in Hampton, NH, Coastal Industries is eager to assist you with your home improvement project. Our windows, doors and porch enclosures are manufactured on-site, and we work with our customers from concept to installation. Buy local, buy Coastal!