Most listings are in the $20's per square foot per year. The Gainesville 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 3% increase in rent.
Compared to the rest of the Metro Atlanta market, the Gainesville region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 20 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 5% of the listings in the Gainesville are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,500 sqft. Most buildings in this market are around 3 floors. Most buildings in this area were built in 1966 and are Class B.