The typical asking rate per listing is in the $10's per square foot per year. The Orland Park region is experiencing a a boost in rates. In the last 3 months, the median rate rose $18 per sqft per year.
Compared to the rest of the Chicagoland market, the Orland Park region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 22 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 5% of the office spaces in the Orland Park are subleases, so you will probably have to focus your search on direct office leases. 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 600 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 2000 and are Class B.