Most listings are in the $20's per square foot per year. The Connecticut region is seeing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 1197 listings have been made available, so you'll want to check back regularly for new listings. About 3% of the available leases in the Connecticut are subleases, so you will probably have to consider a longer term 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 2,040 sqft. Most properties in this area are close to 2 floors. Most buildings in this market were built in 1979 and are Class A.