On average, listings lease in the $20's per square foot per year. The Greenville County submarket is going through a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 129 listings have come on the market, so you'll want to check back regularly for new listings. About 1% of the office spaces in the Greenville County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,640 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 1990 and are Class B.