New Jersey Statutes Title 54. Taxation 54 § 4-3.48

The value of any blast or radiation fallout shelter erected upon real property occupied for residential purposes by not more than 2 families, to the extent that it has enhanced the value of such property, shall be exempt from taxation, provided, however, that such exemption shall not exceed $1,000.00 of the assessed value of such property based at 100% of true value.