On average, listings lease in the $50's per square foot per year. The Chatham County submarket is going through a an increase in rates. In the last 3 months, the median rate increased $29 per sqft per year. That's a 98% rise in rent.
In the last 90 days, 60 listings have been posted online, so you'll want to check back regularly for new listings. About 35% of the available space in the Chatham County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 160 sqft. Most properties in this market are approximately 1 stories. Most buildings in this region were built in 1987 and are Class B.