Want to know what the zoning is for the area you are thinking of buying in? 
Do you know the zoning for your current neighborhood?  Wondering what they might put up in that empty lot down the street?

The Tribune has created a zoning change data base that allow you to look up changes in the last 5 years.  You can search by street name or ward.  Once you find the zoning, simply click on it for a description.

http://www.chicagotribune.com/news/local/chi-zoning-database,0,3992125.htmlpage