This is terrible and we're very sorry for our neighbors. What a nightmare.However, no one is going to "come around" from any agency, city or federal, to check on small business or residences.
In fact, quite the opposite: what you are supposed to do next is, you must go to the City yourself. Buildings in Zone A must either be inspected by the City, or certified by an architect or engineer, post-storm. http://www.nyc.gov/html/dob/downloads/pdf/re_occupancy_zone_a.pdf )
There are also "business interruption" loans available from the City for small cities, and aid from the feds. You can investigate that here, if you haven't already:
Best of luck.
Tuesday, November 06, 2012
Gowanus Businesses Like Lavender Lake Still Not Getting Help From The City":