On average, listings lease in the $20's per square foot per year. The Cobb County region is going through a decrease in rates. In the last 3 months, the median rate decreased $9 per sqft per year. That's a 27% decrease in rent.
In the last 90 days, 201 listings have been made available, so you'll want to check back regularly for new listings. About 3% of the available leases in the Cobb County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,320 sqft. Most properties in this area are around 2 floors. Most buildings in this market were built in 1987 and are Class B.