The typical asking rate per listing is 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 rose $30 per sqft per year.
In the last 90 days, 0 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About NaN% of the available space in the Knox County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 buildings in this region are close to 2 stories. Most buildings in this area were built in 1958 and are Class B.