The Bronx County Courthouse, also known as the Mario Merola Building, is a historic courthouse building located in the Concourse and Melrose neighborhoods of the Bronx in New York City. It was designed in 1931 and built between 1931 and 1934. It is a nine story limestone building on a rusticated granite base in the Art Deco style. It has four identical sides, an interior court, and a frieze designed by noted sculptor Charles Keck.