The typical asking rate per listing is in the $10's per square foot per year. The Warren County region is experiencing a a boost in rates. In the last 3 months, the median rate increased $16 per sqft per year.
In the last 90 days, 4 listings have been made available, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this market are around 3 stories. Most buildings in this region were built in 1948 and are Class B.