Most listings are in the $40's per square foot per year. The South Brooklyn region is going through a decrease in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 10% decrease in rent.
Compared to the rest of the New York City market, the South Brooklyn region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 94 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the available space in the South Brooklyn are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,830 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are approximately 3 floors. Most buildings in this market were built in 1931 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Finance and insurance are the dominant industries in this area. Most of the folk of South Brooklyn work from home. Commuting between 20 and 25 minutes a day is the norm for those who opt to reside in this part of town.