On average, listings lease in the $20's per square foot per year. The Knox County region is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 215 listings have come on the market, so you'll want to check back regularly for new listings. About 114% of the available leases in the Knox County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,800 sqft. Most buildings in this region are close to 1 floors. Most buildings in this market were built in 1962 and are Class B.