It consists of a two-story, hip-roofed administration building with an attached 1+1⁄2-story, gable-roofed drill shed, spanning open space of 11,400 square feet (1,060 m2). Both sections are built of load bearing brick walls sitting on a brownstone foundation. The building features a five-story octagonal tower at the northwest corner and a three-story round tower at the northeast corner. They feature tall, narrow windows and crenellated parapets.[3] Throughout the armory's history it has been used for the National Guard, as a homeless shelter, and a gymnastics center. It is currently used by the New York City Police Department's Strategic Response Group.