On average, listings lease in the $20's per square foot per year. The Anderson County submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 36% increase in rent.
In the last 90 days, 5 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 580% of the office spaces in the Anderson County are subleases, so you might be able to find a shorter term or below market rent. 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 370 sqft. Most properties in this area are close to 1 floors. Most buildings in this area were built in 1956 and are Class A.