Buying a home in Jefferson County, New York doesn't have to be difficult - Homes.com makes home buying a breeze. With 1,508 homes for sale in Jefferson County, New York, you can search by price, bedrooms, neighborhood, and even by property type. Search Jefferson County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Jefferson County school data, neighborhood information, find Jefferson County real estate agents, and research home values in Jefferson County, NY. Homes.com has everything you need but the house keys.