Sibley Triangle Building

Sibley Triangle Building is a historic commercial building located at Rochester in Monroe County, New York. It is a five-story, triangular, flat-iron shaped, brick commercial building with Indiana limestone and marble trim on the first two stories. It was built in 1897 and is a distinguished example of eclectic Italian Renaissance style architecture. It was designed by noted Rochester architect J. Foster Warner and built for Hiram W. Sibley, a son of Hiram Sibley.

It was listed on the National Register of Historic Places in 1985.