N.J. Stat. § 2A:48-2: Limitation of action against municipality or county.

No action under this article shall be instituted unless commenced within three months after the loss of or injury to the property. If any person entitled to such an action is, at the time the action accrues, under the age of 18 or a person who has a mental disability that prevents the person from understanding his legal rights or commencing a legal action, the person may commence the action within three years after reaching majority or having the mental capacity to pursue the person's lawful rights.

amended 2013, c.103, s.7.