Most listings are in the $10's per square foot per year. The Stockbridge submarket is going through a a boost in rates. In the last 3 months, the median rate went up $19 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Stockbridge submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 7 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 143% of the available leases in the Stockbridge 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 2,400 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 2004 and are Class B.