Masonic Hall located at 71 West 23rd Street in the Chelsea area of Manhattan was built in 1907, designed by renowned architect Harry Percy Knowles . Two buildings make up the Masonic Hall. The 23rd Street building is largely commercial and the 24th Street building is largely devoted to masonic activities, including the breath-taking 1200 seat Grand Lodge Room. The Trustees of the Masonic Hall and Home operate both buildings.