Pontiac Hotel is a historic hotel

Hotel

A hotel is an establishment that provides paid lodging on a short-term basis. The provision of basic accommodation, in times past, consisting only of a room with a bed, a cupboard, a small table and a washstand has largely been replaced by rooms with modern facilities, including en-suite bathrooms...

 located at Oswego

Oswego, New York

Oswego is a city in Oswego County, New York, United States. The population was 18,142 at the 2010 census. Oswego is located on Lake Ontario in north-central New York and promotes itself as "The Port City of Central New York"...

 in Oswego County, New York

Oswego County, New York

Oswego County is a county located in the U.S. state of New York. As of the 2010 Census, the estimated population was 122,109. The City of Oswego and the Village of Pulaski serve as the dual county seats in a two shire system of government...

. It was built in 1912 and designed by architect George B. Post

George B. Post

George Browne Post was an American architect trained in the Beaux-Arts tradition.-Biography:Post was a student of Richard Morris Hunt , but unlike many architects of his generation, he had previously received a degree in civil engineering...

 (1837–1913). It was originally a four story, "U" shaped structure; in 1955 a one story ballroom

Ballroom

A ballroom is a large room inside a building, the designated purpose of which is holding formal dances called balls. Traditionally, most balls were held in private residences; many mansions contain one or more ballrooms...

 was added at the rear of the structure in the exterior courtyard. It features both Classical

Neoclassical architecture

Neoclassical architecture was an architectural style produced by the neoclassical movement that began in the mid-18th century, manifested both in its details as a reaction against the Rococo style of naturalistic ornament, and in its architectural formulas as an outgrowth of some classicizing...

 and Mission

Mission style

Mission style may refer to the following:*Mission Style Furniture*Mission Revival Style architecture*American Craftsman, an architectural and design movement*Mission School, an art movement of the late 20th century...

 style details. The most distinctive interior feature is a 40 feet (12.2 m) rotunda

Rotunda (architecture)

A rotunda is any building with a circular ground plan, sometimes covered by a dome. It can also refer to a round room within a building . The Pantheon in Rome is a famous rotunda. A Band Rotunda is a circular bandstand, usually with a dome...

 centrally located on the main level. In the 1980s the structure was converted from hotel use to house 70 apartment units for the elderly.

It was listed on 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 1983.