America's Most Expensive Home is $400,000,000 a Bel-Air Megamansion with a Private X-Ray Room

The most expensive megamansion in the United States just listed for a staggering $400 million. This week, we are taking an exclusive look inside the "Crown Jewel of Los Angeles"—spanning 70,000 square feet across nearly eight acres. Designed by architect Peter Marino, the Chalon Road estate features an incredible 39 bedrooms and 50 bathrooms. The amenities are unlike anything we’ve ever seen, including a full-service spa, a nail salon, an indoor pool, and even its own X-ray machine. From the all-gold finishes in the bathrooms to the panoramic views of the L.A. skyline, this property is aiming to shatter the $238 million U.S. sales record. Check out the rest of the Most Expensive Homes of this week on Realtor.com: https://rltor.cm/mostexpe2655 0:00 The $400M Bel-Air Megamansion | Overview of America's priciest listing 0:07 70,000 Square Feet of Luxury | Exploring the grand scale of the Peter Marino design. 0:18 The Chef’s Kitchen | Massive marble islands and bespoke cabinetry. 0:21 Living Areas and Open Floor Plan | Wooden ceilings and massive black-trim windows. 0:24 39 Bedrooms and 50 Bathrooms | A look at the "staff and family" wings. 0:27 The Gold Bathroom | Opulent finishes and world-class craftsmanship. 0:33 The Wellness Suite | Inside the spa, indoor pool, and private nail salon. 0:43 Private Medical Center | Why this $400M home has its own X-ray machine. 0:48 Outdoor Grounds | Resort-style pool, tennis court, and L.A. skyline views. 0:55 The Record-Breaker | Can this estate beat the $238M Ken Griffin record? WATCH NEXT Building a legacy starts with the right strategy. Watch our latest video: The New Rules of Generational Wealth: https://www.youtube.com/watch?v=0xGoz05kxMA RESOURCES & DATA 📈 Detailed Housing Reports: https://www.realtor.com/research/ 📊 Free Housing Data: https://www.realtor.com/research/data 🏠 Find your next home: https://www.realtor.com 📱 Download our mobile app: https://www.realtor.com/mobile JOIN THE COMMUNITY - Follow us on: Facebook: /realtor.com Instagram: /realtordotcom TikTok: /realtor.com Threads: https://www.threads.net/@realtordotcom X: /realtordotcom Pinterest: /realtordotcom #realtor #realestate