Buying a home in Ontario, Wisconsin does not have to be difficult - Homes.com makes home buying a breeze. With 14 homes for sale in Ontario, Wisconsin, you can search by price, bedrooms, neighborhood, and even by property type. Search Ontario homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Ontario school data, neighborhood information, find Ontario real estate agents, and research home values in Ontario, WI. Homes.com has everything you need but the house keys.