On average, listings lease in the $20's per square foot per year. The Chatham region is going through a decline in rates. In the last 3 months, the median rate fell $9 per sqft per year. That's a 29% decline in rent.
In the last 90 days, 6 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 17% of the available space in the Chatham are subleases, so you might be able to snag a great spot on a short term. 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 6,690 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are close to 2 stories. Most buildings in this area were built in 1968 and are Class C.