Even if you’re not in the real estate business, Zillow (http://www.zillow.com) is a useful source for investigating property values in the U.S. Zillow provides housing data for home owners, prospective home owners, home sellers, and agents. Zillow has several adapter services on zembly that you can use to build useful services and widgets.
Building widgets is all about displaying your data in the best way possible. The Google Maps API lets you take your Zillow-generated data and display it on a Google map.
• Introducing the Zillow API services
• Building a Zillow-based service ...