On average, listings lease in the $30's per square foot per year. The Downtown Chicago submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $37 per sqft per year.
Compared to the rest of the Chicagoland market, the Downtown Chicago submarket has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 371 listings have been posted online, so you'll want to check back regularly for new listings. About 110% of the office spaces in the Downtown Chicago are subleases, so you might be able to find a shorter term or below market rent. 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 2,450 sqft. Most properties in this area are close to 10 stories. Most buildings in this region were built in 1929 and are Class B.