Buying a home in Collinsville, Illinois does not have to be difficult - Homes.com makes home buying a breeze. With 346 homes for sale in Collinsville, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Collinsville homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Collinsville school data, neighborhood information, find Collinsville real estate agents, and research home values in Collinsville, IL. Homes.com has everything you need but the house keys.