Guaranteed Builders and Developers has been manufacturing and delivering customized modular homes, garages, and additions for over 50 years. We are a true full service modular builder in Massachusetts and can handle all aspects of the modular home construction process for you. Our success is due to our philosophy of providing a superior product with exceptional customer service. From building cust
omized modular homes and panels in our manufacturing facility to employing a staff of skilled trades’ people, we utilize our own equipment to control every aspect of the construction process to insure our customers receive the highest quality product on time. We will complete all of your site work including foundation, water & sewer or well and septic, set and button up. GBI handles every step of your project insuring a high quality product that we are proud to stand behind.
