Most listings are in the $30's per square foot per year. The West Town region is going through a a boost in rates. In the last 3 months, the median rate rose $37 per sqft per year.
Compared to the rest of the Chicagoland market, the West Town submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 15 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 147% of the available leases in the West Town are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 4,050 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are approximately 3 floors. Most buildings in this area were built in 1929 and are Class B.