William Green House (Ewing Township, New Jersey)
historic farmhouse in Ewing Township, New Jersey

The William Green House is a historic brick farmhouse in Ewing Township of Mercer County, New Jersey, United States. It was added to the National Register of Historic Places on December 4, 1973, for its significance in agriculture and architecture.
History and description
The first home on the site was built in the last decade of the 17th century. According to a privately published family monograph, the farmhouse was the home of Judge William Green, who was born in the 1600s in England and died in 1722 in Hunterdon County, New Jersey. The oldest parts of the current structure date to c. 1717 and the newest to 1830. The house is owned by the College of New Jersey, but is in a poor state of repair. It has been considered an endangered historic site for over 40 years and, despite efforts taken by the college in 2006 to shore up the structure, was listed in 2015 as one of New Jersey's 10 most endangered historic sites by Preservation New Jersey.
See also
National Register of Historic Places listings in Mercer County, New Jersey
List of the oldest buildings in New Jersey
References
External links
Media related to William Green House at Wikimedia Commons
"Friends of the William Green Farmhouse". Archived from the original on June 17, 2002.
This brief starts where responsible research should: with the source description of “William Green House (Ewing Township, New Jersey)” as historic farmhouse in Ewing Township, New Jersey. Everything that follows is an evidence route, not borrowed authority.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 6, 2026. The linked authority identifier is Q20880923. Authority coordinates are 40.265, -74.777. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1973, 1722, 1717 and 1830.
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This entry incorporates text from “William Green House (Ewing Township, New Jersey)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.