The typical asking rate per listing is in the $20's per square foot per year. The Central New Haven region is going through a decrease 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, 13 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,480 sqft. Most buildings in this area are close to 3 stories. Most buildings in this area were built in 1955 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Construction is the dominant industry in this market. Most of the occupants of Central New Haven work from home. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.