Most listings are in the $10's per square foot per year. The Richmond County region is going through a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 14% decline in rent.
In the last 90 days, 68 listings have been listed, so you'll want to check back regularly for new listings. About 85% of the available leases in the Richmond County 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,060 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 1954 and are Class B.