On average, listings lease in the $20's per square foot per year. The Chattanooga region is going through a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 8% increase in rent.
In the last 90 days, 56 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the available leases in the Chattanooga 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.
Even though the median size is 3,370 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are approximately 1 stories. Most buildings in this market were built in 1959 and are Class Class B.