Trump Tower is now one of the least desirable buildings in Manhattan

Exterior view of the entrance to Trump Tower (at 721 Fifth Avenue), New York, New York, January 10, 2017.

(Photo by Mark Reinstein / Corbis via Getty Images)

Interior view of Trump Tower, November 16, 2016 in New York. Trump is choosing his presidential cabinet as he passes from candidate to elected president.

(Photo by Drew Angerer / Getty Images)

The skyscraper of Trump Tower on Fifth Avenue of the Donald Trump Property, the new President of the United States of America, on January 31, 2017 in New York. The structure is used for both residential offices and apartments.

(Photo by Andrea Franceschini / Corbis News via Getty Images)

People watch through the windows of Trump Tower as protesters gather on November 9, 2016 in New York. Crowds of protesters staged marches Wednesday in the United States to protest the surprise victory of Republican Donald Trump in the US presidential election.

(RuaridhConnellan / Barcroft Images / Barcroft Media via Getty Images)

New York City Mayor Bill de Blasio met with the media following his meeting with President-elect Donald Trump at the Trump Tower in New York, United States, on November 16, 2016.

(REUTERS / Shannon Stapleton)

The John Hancock Building, left, and Trump Tower, on the right, stand in the cityscape, as shown by the Willis Tower in Chicago, Illinois, United States, on Wednesday, February 13, 2013 The Willis Tower, formerly known as the Sears Tower, is the tallest building in the United States and one of Chicago's most popular tourist destinations with more than a million visitors each year on its observation deck.

(Tim Boyle / Bloomberg via Getty Images)

Exterior view of the 2011 holiday windows at Trump Tower on December 2, 2011 in New York.

(Photo by John Lamparski / Getty Images)

A New York City Police Officer (NYPD) walks with a dog in the Trump Tower lobby on November 14, 2016 in New York City. Trump is choosing his presidential cabinet as he passes from candidate to elected president.

(Photo by Drew Angerer / Getty Images)

Interior view of escalators at Trump Tower (721 Fifth Avenue), New York, New York, January 10, 2017.

(Photo by Mark Reinstein / Corbis via Getty Images)

Trump Tower Skyscraper on Fifth Avenue and 56th Street on August 24, 2013 in New York City

(Photo by Waring Abbott / Getty Images)

American businessman Donald Trump in his office in the Trump Tower, Fifth Avenue in New York, 1999.

(Photo by Michael Brennan / Getty Images)

Around 1980: Shops and buyers in the Trump Tower in New York.

(Photo by Ernst Haas / Ernst Haas / Getty Images)

Tourists walk in Trump Tower on December 16, 2016 in New York. Since the victory of President-elect Donald Trump, thousands of Trump fans, tourists and curious have converged on the Trump Tower. Trump continues to hold meetings with potential members of his office and others in his downtown office.

(Photo by Spencer Platt / Getty Images)

Interior view of escalators at Trump Tower (721 Fifth Avenue), New York, New York, January 10, 2017.

(Photo by Mark Reinstein / Corbis via Getty Images)

Trump Tower Skyscraper at 5th Avenue and 56th Street on August 24, 2013 in New York City.

(Photo by Waring Abbott / Getty Images)

A member of the US Secret Service mounts an escalator in the Trump Tower on November 11, 2016 in New York. On Friday morning, Trump tweeted that he "has a busy day in New York" and that he "will soon make some very important decisions for the people who will run our government."

(Photo by Drew Angerer / Getty Images)

An image of the Republican presidential candidate, Donald Trump, hanging on a lift at the Trump Tower in Manhattan, New York, United States, October 7, 2016.

(REUTERS / Mike Segar)