Most listings are in the $10's per square foot per year. The Delaware County submarket is going through a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 4% increase in rent.
In the last 90 days, 35 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 3% of the listings in the Delaware County 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 5,600 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 2001 and are Class B.