Buying a home in Onondaga County, New York doesn't have to be difficult - Homes.com makes home buying a breeze. With 3,045 homes for sale in Onondaga County, New York, you can search by price, bedrooms, neighborhood, and even by property type. Search Onondaga County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Onondaga County school data, neighborhood information, find Onondaga County real estate agents, and research home values in Onondaga County, NY. Homes.com has everything you need but the house keys.