N.J. Stat. Ann. § 30:11A-9

The department shall make or cause to be made such inspections of the premises of any residential health care facility from time to time as it may deem necessary to be assured that any such establishment is at all times complying with the provisions of this act and with the rules, regulations and standards promulgated hereunder. Any approved establishment, prior to making any alterations, additions or improvements to its facilities or prior to the construction of new facilities shall, before commencing such work, submit plans and specifications to the department for preliminary inspection and approval or recommendations with respect thereto.