Make sure if your buying land in McLean county outside of a city or in a rural area that you check on certain critieria before you purchase. Depending on your circumstances for purchasing a piece of property there are several items that you want to look into. Contact the local Township the property is located in and make sure you can use the property for what you would like to use it for. To often people want to purchase land for hunting or builder just a machine shed on. You need to know the rules before doing so. Plus they will be able to tell you what the requirements are on front, back and side set backs for building. Contact the health department in the area and make sure you have what you need before building anything. Last but not least make sure to use a Realtor and an attorney to make sure there is something your not missing. It's better to be safe than sorry when making such a big investment.