Most listings are in the $30's per square foot per year. The Carroll Gardens submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $37 per sqft per year.
Compared to the rest of the New York City market, the Carroll Gardens submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 1 listings have come on the market, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 1,380 sqft. Most properties in this area are close to 3 floors. Most buildings in this area were built in 1931.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Health care is the dominant industry in this region. Most of the folk of Carroll Gardens work from home. Commuting close to 30 minutes a day is the norm for those who opt to reside in this part of town.