N.J. Stat. Ann. § 46:3B-4

A builder of a new home shall be liable to any owner thereof during the time period when the new home warranty, prescribed by the commissioner pursuant to this act, is applicable to the home for any defect therein which is covered by the warranty in accordance with its terms and conditions. The liability of a builder under the new home warranty shall be limited to the purchase price of the home in the first good faith sale thereof or the fair market value of the home on its completion date if there is no good faith sale.