2. Antillia
Known as the One Billion Dollar home, this 400,000 square foot home is situated in Mumbai, India, and owned by Mukesh Ambani, an Indian billionaire industrialist. It has 27 stories, with 6 of them being underground and used as parking spaces, and it also has 3 helipads inside the complex. It requires 600 staff to maintain the residence. As mentioned already the home is valued at $1 billion currently.