On average, listings lease in the $0's per square foot per year. The Clarksville region is going through a decline in rates. In the last 3 months, the median rate fell $19 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 0 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the available leases in the Clarksville are subleases, so you will probably have to focus your search on direct office leases. 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 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this area were built in 1968 and are Class C.