Real Estate Finder plugin by allis741 gives visitors the opportunity to use a large database of real estate. Real estate search for U.S., Canada, UK, Australia Real Estate Finder are saved on our database, so you don’t need to have space for all that information.
Demo of a default installation of Real Estate Finder at: http://www.worldestatesite.com/
Download: http://wordpress.org/extend/plugins/real-estate-finder/