In the last 90 days, 0 listings have been listed, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About Inf% of the listings 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 160 sqft. Most properties in this region are around 2 floors. Most buildings in this market were built in 1958 and are Class B.