On average, listings lease in the $20's per square foot per year. The Blount County submarket is going through a a rise in rates. In the last 3 months, the median rate increased $21 per sqft per year.
In the last 90 days, 4 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 150% of the listings in the Blount County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,350 sqft. Most buildings in this region are close to 1 stories. Most buildings in this area were built in 1940 and are Class Class B.