Langdon Estate Gatehouse is a historic gatehouse

Gatehouse

A gatehouse, in architectural terminology, is a building enclosing or accompanying a gateway for a castle, manor house, fort, town or similar buildings of importance.-History:...

 located at Hyde Park

Hyde Park, New York

Hyde Park is a town located in the northwest part of Dutchess County, New York, United States, just north of the city of Poughkeepsie. The town is most famous for being the hometown of U.S. President Franklin D. Roosevelt....

 in Dutchess County, New York

Dutchess County, New York

Dutchess County is a county located in the U.S. state of New York, in the state's Mid-Hudson Region of the Hudson Valley. The 2010 census lists the population as 297,488...

. It was built about 1876 and is a small, -story, two-bay dwelling in the Renaissance Revival style. It has a rectangular main block with a kitchen wing covered by steeply pitched, slate

Slate

Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. The result is a foliated rock in which the foliation may not correspond to the original sedimentary layering...

-covered, hipped roofs with round-head dormer

Dormer

A dormer is a structural element of a building that protrudes from the plane of a sloping roof surface. Dormers are used, either in original construction or as later additions, to create usable space in the roof of a building by adding headroom and usually also by enabling addition of windows.Often...

s. It was moved to its present site by Frederick W. Vanderbilt in 1898.

It was added to the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1993.