Compared to the rest of the Chicagoland market, the The Loop region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 200 listings have been listed, so you'll want to check back regularly for new listings. About 8% of the office spaces in the The Loop are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,580 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are approximately 23 floors. Most buildings in this area were built in 1929 and are Class B.