On average, listings lease in the $10's per square foot per year. The Shelburne region is experiencing a an increase in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 3 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 67% of the listings in the Shelburne are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 900 sqft. Most buildings in this market are approximately 3 stories. Most buildings in this area were built in 1870 and are Class B.