This Oct. 7, 2013, file photo, shows an interior room at Gracie Mansion, the mayor's official residence, in New York (AP/ Seth Wenig )
An entrance to the ballroom at Gracie Mansion on Oct. 7, 2013. New York City's most famous house is on the verge of becoming a home again after being vacant for 12 years. (AP/Seth Wenig)
Painted wooden floors greet visitors in the foyer of Gracie Mansion seen on Oct. 7, 2013. Michael Bloomberg never lived in the mansion but did order its extensive renovation. (AP/Seth Wenig)
The parlor at Gracie Mansion is seen in New York, Monday, Oct. 7, 2013 (AP/Seth Wenig)
Antique wall paper covers the dining room walls at Gracie Mansion in New York on Monday, Oct. 7, 2013. (AP/Seth Wenig)
The dining room at Gracie Mansion is seen on Monday, Oct. 7, 2013. (AP/Seth Wenig)
The master bedroom in Gracie Mansion seen on Monday, Oct. 7, 2013 (AP/Seth Wenig)
A part of the ballroom at Gracie Mansion seen on Oct 7, 2013. (AP/Seth Wenig)
The master bathroom at Gracie Mansion is seen in New York, Monday, Oct. 7, 2013. (AP/Seth Wenig)
The exterior of Gracie Mansion as seen on Oct 7, 2013. (AP/Seth Wenig)