The typical asking rate per listing is in the $10's per square foot per year. The Mentor region is experiencing a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 23% decrease in rent.
In the last 90 days, 30 listings have been listed, which means leases 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 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 900 sqft. Most buildings in this area are around 1 floors. Most buildings in this area were built in 1988 and are Class B.