On average, listings lease in the $20's per square foot per year. The Mokena region is going through a a rise in rates. In the last 3 months, the median rate increased $27 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Chicagoland market, the Mokena submarket has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 9 listings have been listed, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,050 sqft. Most buildings in this area are close to 2 floors. Most buildings in this market were built in 2004 and are Class B.