The typical asking rate per listing is in the $30's per square foot per year. The Butler County submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $32 per sqft per year.
In the last 90 days, 35 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 40% of the listings in the Butler County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,250 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are around 3 floors. Most buildings in this market were built in 2001 and are Class A.