In our case it was a builder who had done dozens of Brooklyn high-rise apartments. Seems they were facing similar complaints from multiple buildings on corners cut during initial construction (e.g., live wires dangling in apartments, loose tiles on balconies which could fall off the highrise, work which would not meet threshold for the city to issue a non-temporary Certificate of Occupancy.) The condo association had to retain a lawyer, spent high five figures on a lawsuit, settled, but got no help from the NY AG.