Most listings are in the $0's per square foot per year. The Logan Square submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $33 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 9 listings have been made available, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,340 sqft. Most properties in this area are approximately 2 stories. Most buildings in this region were built in 1917 and are Class C.