List of the oldest buildings in New Jersey

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 dendrochronology, 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: date from prior to 1776; or be the oldest building in a county, large city, or oldest of its type (church, government building, etc.),

Colonial era

Building Image Place Year Purpose Notes C. A. Nothnagle Log House Gibbstown Residence Purportedly the oldest surviving log house in the U.S., once part of New Sweden, and the oldest house in NJ, and hence Gloucester CountySwedish GranaryHopewell Greenwich1650/1780sRelocated. Once part of New Sweden, purportedly the oldest surviving building of its type in the US and likely oldest structure in Cumberland County Dendrochronology study from 2018 states a date in the 1780s.http://hvva.net/AWC-Granary%20project%20end%20report.pdf Swedish Granay/Atlantic White Cedar Project, Cumberland County Historical Society Dendrochronology Report Dr. Edward R. Cook William J. Callahan, Jr. 2017Sip Manor Jersey CityWestfield1666ResidenceOriginally part of Bergen, New Netherland, relocated in 1926 from Hudson County and now oldest building in Union CountyParker HomesteadLittle Silver1667ResidenceOne of the oldest homes in Monmouth County Old Mill at Tinton Falls Tinton Falls MillObisquahassit Lower Penns Neck 1678 Residence Oldest house in Salem County