The Ilium Building is located at the northeast corner of Fulton and Fourth (northbound US 4

U.S. Route 4 in New York

U.S. Route 4 is a part of the U.S. Highway System that runs from East Greenbush, New York, to Portsmouth, New Hampshire. In the U.S. state of New York, US 4 extends from an intersection with US 9 and US 20 in East Greenbush to the Vermont state line northeast of Whitehall...

) in Troy

Troy, New York

Troy is a city in the US State of New York and the seat of Rensselaer County. Troy is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany and Schenectady, forming a region popularly called the Capital...

, New York, United States. 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 1970, and since 1986 has also been a contributing property

Contributing property

In the law regulating historic districts in the United States, a contributing resource or contributing property is any building, structure, or object which adds to the historical integrity or architectural qualities that make the historic district, listed locally or federally, significant...

 to the Central Troy Historic District

Central Troy Historic District

The Central Troy Historic District is an irregularly-shaped, area of downtown Troy, New York, United States. It has been described as "one of the most perfectly preserved 19th-century downtowns in the [country]" with nearly 700 properties in a variety of architectural styles from the early 19th to...

.

It is a five-story, seven-by-four-bay

Bay (architecture)

A bay is a unit of form in architecture. This unit is defined as the zone between the outer edges of an engaged column, pilaster, or post; or within a window frame, doorframe, or vertical 'bas relief' wall form.-Defining elements:...

 structure of buff-colored brick with decorative

Ornament (architecture)

In architecture and decorative art, ornament is a decoration used to embellish parts of a building or object. Large figurative elements such as monumental sculpture and their equivalents in decorative art are excluded from the term; most ornament does not include human figures, and if present they...

 stone

Stonemasonry

The craft of stonemasonry has existed since the dawn of civilization - creating buildings, structures, and sculpture using stone from the earth. These materials have been used to construct many of the long-lasting, ancient monuments, artifacts, cathedrals, and cities in a wide variety of cultures...

 and terra cotta

Glazed architectural terra-cotta

Glazed architectural terra-cotta is a ceramic masonry building material popular in the United States from the late 19th century until the 1930s, and still one of the most common building materials found in U.S. urban environments...

trim with a flat roof and stone cornice. It was designed by local architect Marcus F. Cummings and built in 1904 by the Ilium Realty Company. Today it remains one of the landmarks of downtown Troy.