Michael Bloomberg's new mansion

Taking the first steps toward his post-mayoral life, Mayor Michael R. Bloomberg has all but completed the purchase of a $45 million Beaux-Arts building to house the philanthropic foundation he plans to create, according to a person who was briefed on the details of the transaction... (New York Times in 2006)

Now Michael Bloomberg bought a 10,821-square-foot mansion next door to a Beaux-Arts mansion he bought last year.