As of his passing in 1978, Joseph Colombo’s net worth was estimated to be in the millions of dollars, a testament to his success in the criminal underworld. Despite his controversial and often illegal activities, Colombo left a lasting legacy as a formidable figure in the world of organized crime, shaping the landscape of criminal enterprises in New York City and beyond. His influence and notoriety continue to be remembered, making him a figure of both fear and fascination in the annals of mafia history.