Shimon Sandler recently reported the launch of a beta real estate product by Google. Like most Google products, the interface is intuitive. To test, go to Google; enter "real estate" (and presumably other related key words) in the search box. You should then see a "refine your search" box like the one below. Choose location and listing type, then click search housing. The result should be a map with listings.



Google Real Estate Search Results for Los Angeles