Most listings are in the $20's per square foot per year. The Fishers region is going through a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 15% increase in rent.
In the last 90 days, 21 listings have been listed, which means new listings 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 available, so finding a space for a small business might be tough.
Even though the median size is 7,700 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this area were built in 1991 and are Class A.