The typical asking rate per listing is in the $10's per square foot per year. The Loudon County region is going through a an increase in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 1 listings have been made available, which means listings might be 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 1,040 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 1950 and are Class Class B.