Most listings are in the $10's per square foot per year. The Bloomington region is seeing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 14% decline in rent.
In the last 90 days, 15 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,840 sqft. Most buildings in this region are approximately 1 stories. Most buildings in this area were built in 1977 and are Class A.