New Jersey Statutes Title 54. Taxation 54 § 4-3.9

Graveyards and burial grounds used or intended to be used for the interment of bodies of the dead or the ashes thereof not exceeding ten acres of ground, and cemeteries and buildings for cemetery use erected thereon, and all mausoleums, vaults, crypts or structures intended to hold or contain the bodies of the dead or the ashes thereof, and solely devoted to or held for that purpose shall be exempt from taxation under this chapter.