The typical asking rate per listing is in the $10's per square foot per year. The Greenville County region is going through a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 21% decline in rent.
In the last 90 days, 148 listings have been listed, so you'll want to check back regularly for new listings. About 7% of the available leases in the Greenville County are subleases, so you will probably have to focus your search on direct office leases. 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 2,470 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 1990 and are Class B.