On December 5 , 2006 , Mayor Michael Bloomberg joined OEM Commissioner Joseph F. Bruno , former OEM Directors Richard Sheirer and John Odermatt , NYCEM personnel , and a host of other dignitaries to unveil the agency 's new state-of-the-art headquarters . The new facility , located at 165 Cadman Plaza East in Downtown Brooklyn , was previously used by the American Red Cross . It replaces the agency 's former offices that were located on the 23rd floor of 7 World Trade Center , the 47-story building that was the last to collapse in the September 11 , 2001 attacks
September 11 , 2001 attacks
September 11 attacks
NYC Emergency Management