In the last 90 days, 20 listings have been listed, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 10% of the available space in the Gurnee 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 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 sqft. Most properties in this area are approximately 3 stories. Most buildings in this region were built in 1995 and are Class A.