Mid-Century Gem in Ventura's Prestigious Ondulando Hillside Estates! Welcome to a rare opportunity in one of Ventura's most coveted hillside neighborhoods! This custom-built Mid-Century masterpiece, offered for the first time was built by the original owners. It is perched on more than half an acre with breathtaking 180-degree views of the mountains, Pacific Ocean, Channel Islands, city lights, and the valley below. Built in 1961 with timeless craftsmanship and thoughtful upgrades, this spacious estate offers approximately 3,130 square feet of living space, including 4 bedrooms and 3 bathrooms. A circular driveway welcomes you, blending classic architecture with modern convenience. This charming two-story home features a bright and open main level with a chef's dream kitchen, featuring quartz and granite countertops, a large center island, custom cherry wood cabinetry with built-in spice racks, and appliance drawers. The stunning 35-foot south-facing wall of dual-pane windows floods the living room with natural light and showcases uninterrupted mountain, coastal, and city views. Additional highlights include gleaming hardwood floors and plush newer carpeting. Elegant cove lighting and a spacious dining room opening to a covered Trex deck. Two fireplaces--one on each level--for cozy evenings. The spacious primary suite features dual walk-in closets and a spacious vintage-tiled bathroom. The second bedroom has a large walk-in closet. The expansive downstairs features a family room with fireplace, spacious bathroom, two large bedrooms with walk-in closets, and an ample walk-in storage closet. A generously sized laundry room with washer, dryer, utility counter and storage cabinets.  Newer 1,500-gallon septic tank. The backyard is a true haven--ideal for entertaining or expansion--with space for a pool, guest house, and more. Enjoy the bounty of mature fruit trees including orange, apple, and avocado. Don't miss this once-in-a-generation opportunity to own a classic mid-century estate with panoramic views in a premier Ventura location!