Top 10 Biggest Houses in The World 2024

7. The One – Bel-Air, California

The One offers a total of 50 rooms, comprising seven bedrooms, four bathrooms, three kitchens, and two living areas, as well as fantastic amenities like an underground parking garage with direct access to all three floors, ensuring that visitors never have to leave their apartment!Nile Niami, the property’s developer and film producer, has given it the appellation “The One.

” When finished, this modern marvel will be the most expensive mansion ever built, costing $500 million! Nile Niami, the property’s developer and film producer, has given it the appellation “The One.” When finished, this modern marvel will be the most expensive mansion ever built, costing $500 million.