Williams, John, House
Also known as: Williams Mansion House
Why it's listed
Built of randomly laid local limestone around 1799 to 1802, the John Williams House stands on the south bank of Yellow Breeches Creek in Williams Grove, Cumberland County. It measures about 46 by 33 feet and has a central hall with two rooms on each side, following the Georgian plan. The eastern rooms retain simple moldings and mantels, while the western section, probably remodeled around 1825 by James Williams, has more elaborate flute and bullseye molding and a turned maple banister. The house anchored a family enterprise that by 1802 included more than a thousand acres of farmland, two mills, a quarry and a lime kiln. Later the land became a railroad junction, and from 1874 the island hosted the National Grange's annual farm machinery exposition, which drew hundreds of thousands of visitors by the 1890s. The house is significant for its surviving interior woodwork and its ties to these local developments.
Significance in brief: The house is significant for its architecture, with Georgian floor plan and interior woodwork that the nomination dates to two building campaigns, and for its association with the Williams family enterprise of farms, mills, a quarry and a lime kiln. The nomination also links the Williams family land to the later railroad settlement and the Grange farm machinery exposition held on the site from 1874.
Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 77001161, listed July 28, 1977. Summary generated October 2026 (model claude-haiku-5-5, prompt v1.1-2026-10-29, confidence medium).
Key facts
| Address | 0.5 mi. S of Williams Grove, Williams Grove |
|---|---|
| County | Cumberland County |
| Listed | July 28, 1977 |
| Reference number | 77001161 |
| Resource type | Building |
| Period of significance | 1800-1899 |
| Architectural style | Georgian elements |
| Areas of significance | Architecture, Agriculture |
| Level of significance | Local |
| Status (as stated in the nomination) | The house is a private residence and was restored in 1970; the document does not state current use. |
| Acreage | 0.5 |
| Coordinates | 40.14791, -77.03009 (NPS GIS) |
What listing means for this property
National Register listing is honorary for a privately owned home: it does not by itself restrict what an owner may do with their own money, and it does not require public access. Restrictions come from local landmark or historic-district ordinances, which are separate (how they differ).
Owner-occupied houses are not eligible for the 20% federal rehabilitation tax credit, which applies to income-producing buildings, but many states offer credits for homeowners. Listing also opens the door to preservation easements and to buying a plaque. Start with what listing means for homeowners, renovating a listed house and selling one.
General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.
Sources and further reading
- National Park Service, National Register of Historic Places database (snapshot May 2026), reference 77001161.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q6264391
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.