On average, listings lease in the $20's per square foot per year. The Tucker region is going through a an increase in rates. In the last 3 months, the median rate increased $20 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Tucker submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 19 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the available leases in the Tucker are subleases, so you might be able to snag a great spot on a short term. 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 2,250 sqft. Most properties in this area are approximately 3 floors. Most buildings in this market were built in 1984 and are Class B.