Search over 100 million homes in the US. Get estimated home values, bedrooms, bathrooms, square footage, Google satellite maps and more. Just enter an address and a Zip Code and tap “Get the Values” to see the results.

http://www.housefront.com/widgets/iphone

E-Page is a classifieds page for your iPhone.

http://epage.com/js/iphone/index.jsp#_EPage

Street Easy allows you to search the NYC area for housing and apartments.

http://www.streeteasy.com/nyc/m