The typical asking rate per listing is in the $30's per square foot per year. The North Side region is going through a a boost in rates. In the last 3 months, the median rate increased $36 per sqft per year.
Compared to the rest of the Chicagoland market, the North Side submarket has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 39 listings have been made available, which means leases might be leasing quickly. You'll want to be prepared to make an offer immediately. About 177% of the available space in the North Side 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 950 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1962 and are Class B.