PropertyPress plugin by webprodigy turns your WordPress installation into a feature-rich Real Estate website. This plugin creates a custom post type for property listings with added fields for price, address, city, bedrooms, bathrooms, floor space, and much more. It also offers automatic geocoding on save, based upon the address. Using the coordinates, you can also use simple theming functions for including a Google Map or Walkscore Map within your templates.
Requires PHP5 and WordPress Version: 3.0 or higher Compatible up to: 3.01
download: http://wordpress.org/extend/plugins/property-press/