On average, listings lease in the $20's per square foot per year. The Peachtree Corners submarket is going through a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% increase in rent.
Compared to the rest of the Metro Atlanta market, the Peachtree Corners region has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 66 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the available space in the Peachtree Corners 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 available, so finding a space for a small business might be tough.
Even though the median size is 5,420 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 1 stories. Most buildings in this market were built in 1986 and are Class B.