10 Most Expensive Houses 10. Jay‑Z & Beyoncé’s Malibu Mansion — Malibu, California by Ghani Khan Estimated Value: $200 Million Perched dramatically on 8 acres of coveted Paradise Cove beachfront real estate, this modernist masterpiece is the most expensive home ever sold in California. Purchased for approximately $200 million, the mansion eclipsed the previous $177 million record. Designed by Pritzker Prize–winner Tadao Ando and completed in 2014, this striking 30,000–40,000 sq ft concrete and glass compound is a paradigm of minimalist luxury . Its L-shaped layout opens to sweeping floor-to-ceiling windows, dramatic patios, an infinity pool, and a private beach path overlooking the Pacific