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 rose $15 per sqft per year.
In the last 90 days, 24 listings have been posted online, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 25% of the listings in the Warren County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 4,160 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1985 and are Class B.