Most listings are in the $10's per square foot per year. The Warren region is going through a an increase in rates. In the last 3 months, the median rate rose $18 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 16 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 21,000 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are approximately 2 stories. Most buildings in this market were built in 1969 and are Class B.