This article attempts to list the oldest extant buildings surviving in the state of New Jersey in the United States of America, including the oldest houses in New Jersey and any other surviving structures.
Some dates are approximate and based upon dendochronology, architectural studies, and historical records.
Sites on the list are generally from the First Period of American architecture or earlier.
To be listed here a site must: Greenwich Obisquahassit was the sachem who sold land to Anders Seneca, son of one of the first settlers to New Sweden who bought a large tract before Fenwick's Colony was established.
relocated in 2002[96][97][98]