The typical asking rate per listing is in the $20's per square foot per year. The New Haven submarket is experiencing a decline in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 14% decline in rent.
In the last 90 days, 43 listings have been made available, so you'll want to check back regularly for new listings. About 9% of the listings in the New Haven are subleases, so you will probably have to focus your search on direct office leases. 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 1,530 sqft. Most properties in this area are around 3 stories. Most buildings in this region were built in 1929 and are Class B.