Most listings are in the $10's per square foot per year. The Columbus submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 3 listings have been posted online, which means spaces most likley are 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 800 sqft. Most properties in this region are around 1 stories. Most buildings in this region were built in 1977 and are Class B.