 In 1929, Bishop sold two five-story tenement buildings at 986 and 988 Sixth Avenue to Herrman Friedman, president of Sofmar Realty Corporation, that had been owned by the Bishop family for over 40 years.In 1933, Bishop gave himself, as surviving trustee, a $225,000 mortgage through Cortlandt Bishop, Inc. on 1305 6th Avenue.He also owned a three-story residence on East 35th Street which was bought in 1939 and torn down, together with 31-33 East Street, so a new Georgian structure could be built.