Compared to the rest of the Chicagoland market, the Near West Side submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 18 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,050 sqft. Most buildings in this area are approximately 5 floors. Most buildings in this region were built in 1925 and are Class B.