Trump no longer owns either Atlantic City casino. He sold them both.
in the 10 Year Casino restriction on shuttered Trump Plaza article AP July 9, 2015.
Atlantic City’s former Trump Plaza casino is likely to remain closed for at least 10 years following a judge’s approval Thursday of a deed restriction prohibiting anyone from re-opening it as a casino. further in the article Billionare investor Carl Icahn, who is in the process of buying Trump Entertainment out of bankruptcy court approves of the deed restriction, according to Trump entertainment court filing. Trump entertainment tried for years to sell the property while it was still a casino. A february 2013 deal to sell it to a California company for $20 million - what would have been the lowest price ever for an operating casino - fell through within months.
Basically as July 9, 2015 the sale of Trump Plaza Casino in Atlantic City NJ was still ongoing.