Most listings are in the $20's per square foot per year. The Litchfield County submarket is going through a a boost in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 20% increase in rent.
In the last 90 days, 37 listings have come on the market, which means office spaces might be 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.
The standard measurement for office space in this area is around 1,800 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 1956 and are Class A.