On average, listings lease in the $20's per square foot per year. The Chattanooga submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decrease in rent.
In the last 90 days, 32 listings have been listed, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,250 sqft. Most properties in this market are approximately 1 floors. Most buildings in this region were built in 1956 and are Class Class B.