On average, listings lease in the $20's per square foot per year. The Hendricks County region is going through a an increase in rates. In the last 3 months, the median rate went up $22 per sqft per year.
In the last 90 days, 124 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the available leases in the Hendricks County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,450 sqft. Most properties in this area are close to 1 floors. Most buildings in this market were built in 1964 and are Class B.