Walrath-Van Horne House is a historic home located at Nelliston in Montgomery County, New York.

It was built in 1842 and was originally a 1+1⁄2-story Greek Revival stone house with a full-height portico.

In 1895, a frame, shingled second story topped by a Mansard roof and new porch with mansard styling replaced the original.

[2] It was added to the National Register of Historic Places in 1980.

This article about a historic property or district in Montgomery County, New York, that is listed on the National Register of Historic Places, is a stub.