You can build your real estate website in a few minutes by HOMESTEAD, you can try the free trial. I think this the the best design tool to build a real estate web site.
You don't need to know the codes or use the develoment tool programs. You need only to check this page. Have a website now :)
Here is the URL;
http://www.homestead.com/~site/real-estate-website-design.ffhtml
