Connect with Top-Rated Construction Contractors in Massapequa!

DeMartino Construction is a privately owned commercial construction company with over 25 years of experience. From preconstruction to completion, our team of skilled professionals is dedicated to delivering high-quality construction projects that meet or exceed clients' expectations. We specialize in commercial construction services for retail, office, industrial, hospitality, and government projects. Our expertise includes interior construction, exterior construction, and renovation projects.

At Great Additions, we offer a range of services including home additions, extensions, and remodels. Our team of experts will guide you through every step of the design, selection, and remodeling process to ensure you get the home of your dreams. With over 36 years of construction experience, we've helped countless families across Long Island create more living space without having to move to a new home. From dormer additions to mother-daughter conversions, we take pride in our work and deliver high-quality results. Whether you need more space for your family or want to upgrade your home's style, we're here to help.