Building for building, Colebrook Realty Services, Inc. has more commercial real estate experience than virtually any other firm in western Massachusetts or northern Connecticut. We work with clients throughout the country to broker, manage, or oversee the development of properties in western New England. Established in 1973 as the real estate development arm of SIS Bank, Colebrook was purchased by senior management in 1998. Today, Colebrook Realty Services, Inc. is a privately owned, full-service commercial real estate firm with headquarters in Springfield, Mass. Our services include brokerage, property management, asset management, development services, and construction management. We also provide a survey of office real estate in our region which you may order online.