On average, listings lease in the $10's per square foot per year. The Douglasville region is going through a a rise in rates. In the last 3 months, the median rate increased $15 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Douglasville submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 11 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 127% of the office spaces in the Douglasville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,350 sqft. Most buildings in this area are close to 1 floors. Most buildings in this area were built in 1993 and are Class B.