On average, listings lease in the $30's per square foot per year. The Alpharetta region is going through a a boost in rates. In the last 3 months, the median rate rose $4 per sqft per year. That's a 14% rise in rent.
Compared to the rest of the Metro Atlanta market, the Alpharetta submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 98 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the available leases in the Alpharetta 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 posted, so finding a space for a small business might be tough.
Even though the median size is 4,000 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are approximately 3 floors. Most buildings in this region were built in 1998 and are Class A.