On average, listings lease in the $20's per square foot per year. The Knox County submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $30 per sqft per year.
In the last 90 days, 0 listings have come on the market, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the available space 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 320 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 1958 and are Class B.