On average, listings lease in the $30's per square foot per year. The Hampshire County submarket is going through a an increase in rates. In the last 3 months, the median rate rose $9 per sqft per year. That's a 39% increase in rent.
In the last 90 days, 4 listings have been listed, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. 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 3,590 sqft, there are still 0 listings below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1846 and are Class Class B.