N.J. Admin. Code § 5:23-2.33
Except as is specifically provided for by the act with respect to stop construction orders, service of notices and orders pursuant to this section shall be upon the owner or the person specified as agent for receipt of same in the application for a permit or the person responsible for the work or in the case of unsafe structures upon any agent or person in control of the building. Service may be made by personal delivery or by leaving a copy at the dwelling house or usual place of abode of such person, with a competent member of his household of the age of 14 years or older than residing therein, or by any other method or upon any other person approved pursuant to Rules 4:4-4 and 4:4-5 of the New Jersey Supreme Court, or which is otherwise consistent with due process.
N.J. Admin. Code § 5:23-2.33