New Jersey Statutes Title 54. Taxation 54 § 4-3.27

All real and personal property used in the work and for the purposes of any association or organization, whether incorporated or unincorporated, organized for the purpose of furnishing volunteer aid to the sick and wounded of armies in time of war or for the purpose of continuing and carrying on a national and international system of relief in peacetime to mitigate the sufferings caused by pestilence, famine, fire, floods, or other great national calamities, or for both of said purposes, shall be exempt from taxation under this chapter, if the legal or beneficial ownership of such property is in such association or organization, and no part of such property is used for pecuniary profit.