Nestled in the scenic community of Sierra Del Oro, bordering Yorba Linda and just one exit from Orange County, this beautifully maintained home offers an exceptional combination of privacy, comfort, and major system upgrades, providing peace of mind for years to come. Perfectly positioned with no homes behind, the property enjoys a tranquil setting with serene mountain views and a spacious backyard designed for relaxation and entertaining. Recent improvements include a new roof, new PEX plumbing throughout, new AC condenser, new tilt-and-turn dual-pane windows, new whole-house fan, and a new smart garage door opener. A double-door entry opens to soaring vaulted ceilings and dramatic stacked windows that fill the formal living and dining rooms with natural light. Decorative railings add architectural character while creating a sense of openness. The beautifully remodeled kitchen serves as the heart of the home, featuring custom mocha-stained cabinetry with soft-close doors and pull-out drawers, stunning granite countertops, stainless steel appliances, a double oven, a refrigerator, pendant lighting, a breakfast bar for casual dining, and a panoramic window that frames the scenic surroundings. The adjoining family room is designed for both everyday living and entertaining, showcasing stacked windows, a granite fireplace with a custom mantel, a wet bar, and a sliding door that seamlessly extends the gathering space onto the covered patio. Beautiful plank-style tile flooring extends throughout the kitchen, family room, and hallway. A downstairs bedroom and full bath provide flexibility for guests, multigenerational living, or a home office. Upstairs, the private primary suite enjoys no rear neighbors, serene mountain views through the wall of windows, vaulted ceilings, and a double-door entry. The spacious ensuite bath offers a separate soaking tub, walk-in shower, vanity station, and a large walk-in closet. The oversized fourth bedroom features unique ceiling lines and can easily function as a bonus room, game room, or home theater. Brand-new carpet covers the entire second floor, the staircase, and the downstairs bedroom. The pool-sized backyard offers privacy, mountain views, a covered patio, and expansive grassy areas—creating the perfect setting for entertaining, relaxation, or future outdoor enhancements. Additional highlights include an upstairs office nook, upgraded faucets throughout, an indoor laundry room, and direct access to the three-car garage.