Incredible ADU potential! Prime location on a massive 15,000SF lot with two primary suites and an excellent school district including Sunny Hills High. This expansive near 3000 SF single-level residence is a rare find, offering a versatile floor plan designed for multigenerational living and effortless entertaining. Find a light-filled interior highlighted by wood flooring, custom crown molding, and recessed lighting. The gourmet kitchen features granite countertops, dual ovens, two dishwashing sinks, and a premium built-in refrigerator, flowing into a vast living area with serene backyard views. The unique dual-primary layout features a main sanctuary with "his-and-hers" walk-in closets and direct backyard access. Enjoy peace of mind with major updates: a brand-new AC system, new water heater, new garage door, and an energy-efficient solar system. The massive lot is an entertainer's paradise with a built-in BBQ, private gazebo, and outdoor fireplace, plus endless room to add a pool or detached ADU. With a large driveway and located moments from Amerige Heights Town Center, golf courses, and parks, this property is an extraordinary opportunity to create your dream estate in one of Fullerton's most coveted pockets. Don't miss the chance to transform this charming retreat into your own masterpiece!