The typical asking rate per listing is in the $10's per square foot per year. The Westerville region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 7% decrease in rent.
In the last 90 days, 28 listings have been posted online, which means spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 4% of the available leases in the Westerville 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 3,240 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1988 and are Class B.