Welcome to 11841 and 11845 Magnolia Street, a true architectural masterpiece in the heart of Garden Grove-a rare, 2026 custom-built estate offering two brand-new luxury residences on a single lot, totaling ~ 4,219 SQFT of meticulously designed living space. Positioned in a premier school district just steps from vibrant Koreatown, casual dining, and shopping plazas within a short drive, minutes from Bolsa (Phuoc Loc Tho) and Disneyland theme park. This smart-home compound delivers modern luxury and ultimate multi-generational flexibility with fully paid-off solar, separate addresses, and independent utilities for both units. The main residence spans approximately 3,424 SQFT of sophisticated design, opening past a custom double-door entry to soaring 10-foot ceilings across both levels, an electric fireplace, and a designer covered patio that seamlessly blends indoor and outdoor living. At the heart of the home, the chef's kitchen shines with a waterfall quartz island, Thermador professional appliances, and sleek ceiling-height cabinetry. The main floor features a private office or guest suite-each with its own en-suite bath-while upstairs reveals a massive loft family room, three additional bedrooms, and a palatial primary suite complete with a private street-view balcony and a spa-like bath featuring a soaking tub and walk-in shower. Cutting-edge amenities include central dual-zone HVAC and a 3-car epoxy-floored garage with an expansive driveway. Adding tremendous value, the detached ~795 SQFT ADU mirrors the main house's high-end finishes, offering 9-foot ceilings, an open-concept kitchen and living area, two spacious bedrooms, two bathrooms, a dedicated laundry room, and independent mini-split HVAC. Framed by professional landscaping and decorative evening spotlighting, this 2026 compound represents an unparalleled opportunity for high-yield income or luxury multi-generational living in Garden Grove, CA.