On average, listings lease in the $20's per square foot per year. The Anderson County region is going through a a boost in rates. In the last 3 months, the median rate rose $7 per sqft per year. That's a 36% increase in rent.
In the last 90 days, 5 listings have been listed, which means leases might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 500% of the available leases 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 260 sqft. Most properties in this region are approximately 1 stories. Most buildings in this area were built in 1956 and are Class A.