Architecture, Layout, and Rooms
The Xanadu 2.0 estate in Medina, Washington, covers about 66,000 square feet and sits on roughly one acre of land. The house includes a 60-foot swimming pool with an underwater music system, a 23-seat theater, a library with a domed ceiling, and a reception hall that can host large events. Bill Gates designed the home with multiple levels and wings to separate private living spaces from guest and entertainment areas.
Each guest room has a dedicated wall-mounted screen and private entrance so visitors can move through the house without crossing main living zones. The interior uses high-end materials such as stone, wood paneling, and custom-designed furniture, with sensors embedded throughout to manage lighting and temperature. The property also includes a greenhouse, a tennis court, and outdoor terraces that connect indoor and outdoor living spaces.
Smart Home Technology and Automation
Sensors, Wearables, and Control Systems
The house uses a pin-based wearable system that tracks guests and adjusts room settings automatically. When a guest enters a room, the system changes lighting, temperature, and music based on stored preferences, and the walls feature digital screens that can display art or information. The automation system integrates climate control, security cameras, and audio throughout the home to create a connected living environment.
Behind the scenes, the home relies on a centralized control network that manages energy use, security, and entertainment devices. The system can preheat rooms before guests arrive and adjust window shades based on sunlight and time of day. These features are similar to advanced building management systems used in commercial smart buildings and large corporate campuses.
Property Value, Ownership, and Investments
Estimated Value and Financial Context
Public records and real estate estimates place the value of the Medina property in the range of $130 million to $150 million, depending on land and improvements. The home sits on a quiet waterfront area of Lake Washington and is one of the most well-known private residences in the United States.
Bill Gates, co-founder of Microsoft, manages his personal investments through Cascade Investment, which has stakes in companies such as Forbes. The estate reflects a combination of personal use and long-term asset planning, with the property serving as both a residence and a showcase of integrated design and technology.
Gates has also invested in energy-efficient building research and climate-related technologies through his personal foundation and investment vehicles, aligning the house's design with broader trends in sustainable architecture and smart infrastructure.