The typical asking rate per listing is in the $20's per square foot per year. The South Carolina submarket is seeing a an increase in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 15% rise in rent.
In the last 90 days, 779 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the available space in the South Carolina 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,400 sqft. Most buildings in this market are around 2 floors. Most buildings in this market were built in 1988 and are Class A.