On average, listings lease in the $10's per square foot per year. The Franklin County submarket is going through a a boost in rates. In the last 3 months, the median rate increased $18 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 1 listings have come on the market, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 market were built in 1912 and are Class A.