Exclusive Properties Sotheby's International Realty is a leading real estate office in Riverdale, New York and serves the villages and neighborhoods on the banks of the Hudson River -- from the Upper West Side in Manhattan to Riverdale and the River Towns in Westchester County. Its team of professional agents has many decades of collective real estate knowledge and experience. The office is dedicated to a team approach on every transaction and ensures the client, customer and referrals an unsurpassed level of service and success. The office is a member of the Real Estate Board of New York and three Multiple Listing Service areas.