On average, listings lease in the $20's per square foot per year. The Athens-Clarke County unified government (balance) region is experiencing a an increase in rates. In the last 3 months, the median rate rose $22 per sqft per year.
In the last 90 days, 10 listings have been posted online, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 120% of the available space in the Athens-Clarke County unified government (balance) are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,320 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1991 and are Class B.