On average, listings lease in the $20's per square foot per year. The Savannah region is going through a an increase in rates. In the last 3 months, the median rate increased $24 per sqft per year.
In the last 90 days, 42 listings have been made available, so you'll want to check back regularly for new listings. About 67% of the listings in the Savannah are subleases, so you might be able to find a shorter term or below market rent. 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 1,390 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1984 and are Class B.