N.J. Stat. § 40:48-2.6
An ordinance adopted by a municipality under this act shall provide that the public officer may determine that a building is unfit for human habitation or occupancy or use if he finds that conditions exist in such building which are dangerous or injurious to the health or safety of the occupants of such building, the occupants of neighboring buildings or other residents or such municipality; such conditions shall be deemed to include the following (without limiting the generality of the foregoing): defects therein increasing the hazards of fire, accident, or other calamities; lack of adequate ventilation, light, or sanitary facilities; dilapidation; disrepair, structural defects; uncleanliness; failure to comply with the requirements of the building code or the certificate of occupancy; such ordinance may provide additional standards to guide the public officer, or his agents, in determining the fitness of a building for human habitation or occupancy or use.
N.J.S. § 40:48-2.6