The typical asking rate per listing is in the $30's per square foot per year. The New Haven submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $8 per sqft per year. That's a 32% increase in rent.
In the last 90 days, 43 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the available leases in the New Haven are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,070 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are around 3 stories. Most buildings in this market were built in 1929 and are Class A.