Most listings are in the $10's per square foot per year. The Snellville submarket is going through a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Snellville region has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 8 listings have been made available, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 150% of the available leases in the Snellville 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 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 2,280 sqft. Most properties in this area are approximately 2 floors. Most buildings in this region were built in 1999 and are Class B.