Compared to the rest of the Chicagoland market, the Hoffman Estates region has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 23 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 4% of the office spaces in the Hoffman Estates are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 50,000 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1992 and are Class A.