On average, listings lease in the $10's per square foot per year. The Effingham County submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $19 per sqft per year.
In the last 90 days, 2 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 100% of the listings in the Effingham 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 930 sqft. Most buildings in this market were built in 2007 and are Class A.