The typical asking rate per listing is in the $20's per square foot per year. The East Hartford region is seeing a a boost in rates. In the last 3 months, the median rate went up $23 per sqft per year.
In the last 90 days, 15 listings have been posted online, which means office spaces most likley are 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 1,510 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1973 and are Class B.