The typical asking rate per listing is in the $20's per square foot per year. The Roswell region is experiencing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 16% rise in rent.
Compared to the rest of the Metro Atlanta market, the Roswell region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 31 listings have come on the market, which means office spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 3% of the available leases in the Roswell are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,020 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are around 1 stories. Most buildings in this area were built in 1996 and are Class B.