Some have asked why they cannot be seized under laws meant to prevent homes standing empty or becoming uninhabitable, particularly in a city with a housing shortage.
Tensions have meanwhile remained high, with Pyongyang most recently outraged over South Korea's moves to develop nuclear submarine technology with the United States.
He has denied any wrong-doing, saying he was "shocked" that his name appeared in the statutes of the offshore company in 2016 and that he had only appealed to Epstein as a philanthropist.