People searching for new real estate not only want to know what the property looks like, but it’s important for them to find out other factors such as population density, crime, politics, schools. Neighboroo isn’t exactly classified as a real estate map feature, but this Google mashup is a great resource to help you find out information about a neighborhood before you think of moving there. *Neighboroo is currently revamping its product and expects to launch again sometime soon. If you’re looking for a home in the Bay Area check out Property Listing Maps, a Google mashup that shows details of each location along with the listing agent and contact information. You can also find open house information on specified locations. 
Another Google Mashup worth mentioning for real estate is Manhattan’s luxury buildings. Finding luxury in Manhattan can be hard scarce in the midst of the busy streets of New York, but this clever map not only shows you the price range for homes and rentals but the nearest subway stations as well. Make sure to keep your visitors interacting with the features on your site. The more interaction the user has the more likely they will return. Creating your own Google Map Mashup can be an entertaining process. For some ideas on Google Map Mashups, please see: 100things todowithgooglemapmashups