Most listings are in the $10's per square foot per year. The Kingsport submarket is going through a an increase in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 68 listings have been listed, so you'll want to check back regularly for new listings. About 24% of the available space in the Kingsport 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.
Even though the median size is 8,750 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are close to 2 stories. Most buildings in this area were built in 0 and are Class A.