The typical asking rate per listing is in the $20's per square foot per year. The Schererville region is going through a a boost in rates. In the last 3 months, the median rate rose $22 per sqft per year.
Compared to the rest of the Chicagoland market, the Schererville region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 7 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,130 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are approximately 4 stories. Most buildings in this area were built in 2003 and are Class B.