Compared to the rest of the Metro Atlanta market, the Dunwoody submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 30 listings have been posted online, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 40% of the available leases in the Dunwoody are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,910 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are around 3 floors. Most buildings in this region were built in 1983 and are Class A.