North Mansion and Tenant House
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Why it's listed
On a hilltop above the south shore of Duane Lake in Duanesburg stand two houses built by General William North, who came in 1783 to manage James Duane's large estate. The earlier is a one-and-one-half-story saltbox Tenant House from the 1780s, now altered by a widened porch, a rear shed dormer and a new center stair. The larger North Mansion, dating to about 1795, is a two-story rectangular house with a low hipped roof, two central chimneys, a symmetrical east front and a pedimented doorway. It is the only Georgian-style building in Duanesburg. North, a Revolutionary War officer, later served as a state assembly speaker and as a U.S. senator. His home hosted visitors such as Baron von Steuben and was a center for town business. A small clapboard barn also survives. Once part of a 1,000-acre estate, the houses now occupy about six acres surrounded by modern lakeshore cottages.
Significance in brief: The houses were built by General William North, estate manager and later son-in-law of James Duane, and the mansion served as the Duane estate's early manor house and a local center of business and society. The mansion is described as the only Georgian-style building in Duanesburg. The Tenant House appears to be one of the oldest surviving buildings in the town and is tied to the earliest management of the Duane estate.
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 87000909, listed April 24, 1987. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence medium).
Key facts
| Address | North Mansion Rd., Duanesburg |
|---|---|
| County | Schenectady County |
| Listed | April 24, 1987 |
| Reference number | 87000909 |
| Resource type | Building |
| Architect / builder | Architect and builder unknown; built by General William North |
| Architectural style | Georgian (North Mansion); saltbox form (Tenant House) |
| Areas of significance | Architecture |
| Level of significance | Local |
| Status (as stated in the nomination) | Both houses are in residential use and in good condition. The mansion has lost its rear wing and has an altered interior, and the Tenant House has been extensively altered. |
| Acreage | 6 |
| Coordinates | 42.75369, -74.11414 (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 87000909.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q7056042
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.