Reportedly the self-made billionaire Ira Rennert, founder of the Renco Group owns the largest residential property in the whole of the US. The property is situated on a 63 acres site in Sagaponack, New York and has 29 bedrooms, 39 bathrooms, as well as the usual gigantic dining room. In addition to the main home … is an indoor theater, two bowling alleys, two tennis courts, two squash courts, game rooms, and a basketball court… among other things.
The property, which began construction in 1998 and completed in 2003 was so large that the local community thought that it was going to be used as a hotel, business retreat or religious centre.
The mansion is estimated to be worth between $170m -$180m and comes in at number 2 on the list of the world’s top 5 most expensive houses.