Webster Wagner House was a historic home located at Palatine Bridge in Montgomery County, New York. It was built in 1876 and designed by architect Horatio Nelson White (1814–1892) as the home for railroad car magnate Webster Wagner (1817–1882). It consisted of a 2 1⁄2-story main block with a 2-story rear service wing. It featured a 3-story entrance tower at the southeast corner.
It was added to the National Register of Historic Places in 1973. The home was a victim of demolition by neglect
The home was forced to be demolished by Montgomery County due to bowing walls, and a collapsing roof in 2015.