William Raveis real estate, the largest family-owned realty in the Northeast, has an office on Washington Street in Walpole. For more than 35 years, the company has been serving the real estate needs of the community. Clients can stop in to their office or log on to their comprehensive website to search for homes for sale, open houses, as well as various forms of real estate data that will aid savvy house shoppers. Raveis also has full-service mortgage and insurance divisions, making the company a virtual one-stop shop for house hunters.