On average, listings lease in the $0's per square foot per year. The Westerly submarket is seeing a decline in rates. In the last 3 months, the median rate fell $14 per sqft per year. That's a 100% decrease in rent.
In the last 90 days, 1 listings have been posted online, which means office spaces are probably leasing quickly. 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 sqft. Most buildings in this region are around 1 floors. Most buildings in this area were built in 1950 and are Class A.