Most listings are in the $20's per square foot per year. The Knox County region is seeing a a rise in rates. In the last 3 months, the median rate rose $22 per sqft per year.
In the last 90 days, 6 listings have been listed, which means spaces are probably going fast. 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 170 sqft. Most buildings in this region are close to 2 stories. Most buildings in this region were built in 1958 and are Class B.