The typical asking rate per listing is in the $20's per square foot per year. The Indiana submarket is going through a an increase in rates. In the last 3 months, the median rate increased $22 per sqft per year.
In the last 90 days, 1078 listings have been posted online, so you'll want to check back regularly for new listings. About 75% of the listings in the Indiana are subleases, so you might be able to snag a great spot on a short term. 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 2,230 sqft. Most buildings in this region are close to 1 floors. Most buildings in this market were built in 1971 and are Class B.