The typical asking rate per listing is in the $30'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 $7 per sqft per year. That's a 21% increase in rent.
In the last 90 days, 63 listings have come on the market, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,600 sqft. Most properties in this area are approximately 3 stories. Most buildings in this market were built in 1983 and are Class B.