Most listings are in the $20's per square foot per year. The Rhode Island region is going through a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 8% rise in rent.
In the last 90 days, 228 listings have been posted online, so you'll want to check back regularly for new listings. About 34% of the available leases in the Rhode Island are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,130 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this area were built in 1950 and are Class B.