Welcome to your dream propertyan architecturally stunning, newly constructed custom estate that represents the Magnum Opus of a lifetime of fine homebuilding. Designed by acclaimed LA architect Carl Smith of William Adams Architects, this modern masterpiece blends timeless design with contemporary luxury. Tucked away at the end of a quiet cul-de-sac where Orange and Los Angeles Counties meet, this property features a 4-bedroom, 3-bathroom main residence plus a fully permitted 1-bedroom, 1.5-bathroom ADUideal for rental income, guests, or multi-generational living. Flooded with natural light from skylights throughout, the home showcases thoughtful architectural details and high-end finishes. The open-concept main level boasts sleek concrete floors, a chefs kitchen with high-end stainless steel appliances, and premium designer fixtures throughout. The luxurious primary suite offers a true retreat with a rain shower and soaking tub under a skylight, a spacious walk-in closet, built-in makeup vanity, and a private balcony. The ADU offers rare independence and flexibility with its own private entrance, laundry room, garage, and patioperfect for guests, tenants, or family members seeking privacy. Set on an over 16,000 sq ft lot, the home and ADU currently sit on about 8,500 sq ft, leaving an additional 7,500 sq ft of flat, usable land ready for your vision. Whether you choose to subdivide under SB9, or build a pool, RV garage, tennis court, or second home, the possibilities are endless.