Most listings are in the $30's per square foot per year. The Butler County submarket is experiencing a an increase in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 31 listings have been posted online, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the office spaces in the Butler 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 posted, so finding a space for a small business might be tough.
Even though the median size is 5,120 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are approximately 3 floors. Most buildings in this market were built in 2003 and are Class A.