On average, listings lease in the $30's per square foot per year. The Clinton County region is going through a an increase in rates. In the last 3 months, the median rate went up $40 per sqft per year.
In the last 90 days, 4 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 25% of the available space in the Clinton County are subleases, so you might be able to find a shorter term or below market rent. 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 47,100 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 2000 and are Class B.