On average, listings lease in the $10's per square foot per year. The Richmond County region is seeing a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 82 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the available leases in the Richmond County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,400 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 1975 and are Class B.