On average, listings lease in the $30's per square foot per year. The Fairview Heights region is going through a a rise in rates. In the last 3 months, the median rate increased $17 per sqft per year. That's a 114% rise in rent.
In the last 90 days, 6 listings have been listed, which means leases might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most buildings in this region are around 1 stories. Most buildings in this area were built in 1995 and are Class B.