Most listings are in the $10's per square foot per year. The South Bend region is going through a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 31 listings have been posted online, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,770 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area are close to 2 stories. Most buildings in this region were built in 1972 and are Class B.