| Halladay Farmhouse | |
| Location: | US 20, Duanesburg, New York |
| Coordinates: | 42.7664°N -74.2136°W |
| Built: | 1786 |
| Architecture: | Greek Revival, Vernacular Greek Revival |
| Added: | October 11, 1984 |
| Refnum: | 84003213 |
Halladay Farmhouse is a historic home located at Duanesburg in Schenectady County, New York. It was built about 1786 and remodeled in the 1830s in a vernacular Greek Revival style. It is a -story, five-bay frame building with a small 1-story gable-roofed wing. It features a wide frieze pierced by rectangular eyebrow windows with ornate iron grillwork. Also on the property are two contributing barns, a carriage house, two sheds, and a machine shop building.[1]
The property was covered in a 1984 study of Duanesburg historical resources.[2] It was listed on the National Register of Historic Places in 1984.