The Wyckoff-Garretson House was built in 1730 by Cornelius Wyckoff.

Cornelius Wyckoff

Cornelius Wyckoff was the son of Pieter Claesen Wyckoff

Pieter Claesen Wyckoff

Pieter Claesen Wyckoff was a farmer and landowner in Kings County, New York. All references to the name Wyckoff, including many variations in spelling, can be traced to his family.-Meaning of the Surname:...

. Cornelius wanted to buy farmland, so he moved to Franklin Township, Somerset County, New Jersey

Franklin Township, Somerset County, New Jersey

-Communities of Franklin Township:The following are census-designated places, unincorporated enclaves, and historical communities located within Franklin Township...

 in 1701. With seven other prosperous Dutch farmers, they bought 10,000 acres (40 km²) of land. Cornelius purchased approximately 1,200 acres (5 km²) which was divided into parcels for his four sons: John Wyckoff, Jacob Wyckoff, Peter Wyckoff, and Simon Wyckoff. John was the first to move onto the land, near Middlebush, New Jersey

Middlebush, New Jersey

Middlebush is an unincorporated area and community located within Franklin Township in Somerset County, New Jersey, United States. It is perhaps most distinguished as being the host section for Franklin Township's municipal complex....

 around 1709-1710. However, he must have lived in a different structure until 1730 when he built the first half of the current house. He brought in a Dutch craftsmen from Brooklyn

Brooklyn

Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...

 to construct his house of white oak.

Samuel Garretson

The house was later enlarged by Samuel Garretson from Hillsborough, New Jersey in 1805.