Most listings are in the $10's per square foot per year. The Windham County region is seeing a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 9 listings have been listed, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 111% of the office spaces in the Windham County are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,200 sqft. Most properties in this area are around 1 stories. Most buildings in this market were built in 1950 and are Class B.