Buying a home in Mongaup Valley, New York does not have to be difficult - Homes.com makes home buying a breeze. With 12 homes for sale in Mongaup Valley, New York, you can search by price, bedrooms, neighborhood, and even by property type. Search Mongaup Valley homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Mongaup Valley school data, neighborhood information, find Mongaup Valley real estate agents, and research home values in Mongaup Valley, NY. Homes.com has everything you need but the house keys.