Career
During the session of 1933, Schackno introduced a bill to add two judges to the courts in the Bronx, and on November 7 he was elected to fill one of the additional seats on the bench. He resigned his Senate seat on November 21. And took office as a Justice of the City Court on January 1, 1934.
He was a delegate to the New York State Constitutional Convention of 1938.
He was re-elected to the City Court in 1943, and remained on the bench until the end of 1948 when he reached the constitutional age limit. He died on August 23, 1950, at his home in the Bronx.