The typical asking rate per listing is in the $10's per square foot per year. The Penobscot County submarket is going through a a rise in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 3 listings have been listed, which means new 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.
Even though the median size is 4,930 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are close to 2 floors. Most buildings in this market were built in 1860 and are Class Class B.