To find Department of Buildings violations, Certificates of Occupancy and information about alterations to buildings, visit the DOB Building Information Search. To find HPD violations and the name and address of the registered managing agent for a building, search the HPD Building, Registration & Violation database. To find ownership, mortgage and other title documents about a building, search the Online City Register. Does a building receive J-51 benefits? Visit the J-51 Look Up. To read legal opinions of the New York City Loft Board, visit the New York Law School Library. To find general information about a building, see Oaisis NYC and Property Shark Find out the official address of a corporation or LLC. Find the status of a DHCR proceeding. For helpful general tenants' rights information: DHCR The NYC Rent Guidelines Board The Metropolitan Council on Housing The New York State Tenants and Neighbors Coalition
