Most listings are in the $30's per square foot per year. The DePaul submarket is going through a decline in rates. In the last 3 months, the median rate fell $13 per sqft per year. That's a 29% decline in rent.
Compared to the rest of the Chicagoland market, the DePaul submarket has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 3 listings have come on the market, which means new listings 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 1,800 sqft. Most properties in this region are around 3 floors. Most buildings in this region were built in 1925 and are Class C.