On average, listings lease in the $10's per square foot per year. The Tyrone region is experiencing a a rise in rates. In the last 3 months, the median rate went up $13 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Tyrone submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 2 listings have been made available, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 200% of the office spaces in the Tyrone 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,000 sqft. Most buildings in this region are around 2 floors. Most buildings in this area were built in 2006 and are Class B.