505 Orange Grove Circle Idyllic Mid-Century Pasadena Estate with Seamless Indoor-Outdoor Living. Tucked away on "Millionaires Row" a long, gated driveway, leads to a stunning 1953 single-story contemporary estate offering rare privacy and tranquility in the heart of Pasadena. A gracious porte-cochere entry sets the tone for the serene elegance that defines this exceptional residence. Step inside the formal entry, where custom built-in closets provide both style and function, and your eye is immediately drawn to the breathtaking 180-degree view of the lushly landscaped rear grounds. Walls of glass and sliding doors frame this picturesque setting, inviting natural light to flood the interiors and creating a seamless connection between indoor and outdoor living. The spacious living room features custom built-in bookshelves and a cozy fireplace--ideal for both quiet evenings and stylish entertaining. The formal dining area flows effortlessly into the beautifully remodeled kitchen, outfitted with high-end built-in appliances, a large center island, newer beverage refrigerator, and a discreetly tucked-away laundry closet. With 4 generous bedrooms and 3.5 bathrooms, the home is perfectly designed for comfortable living. The expansive primary suite is a true retreat, offering ample space and privacy. Rear grounds, professionally landscaped and dubbed the "Circle Gardens" has been curated by noted local 3rd generation nursery family and rare plant collectors, the Burkard Family. The resort-like grounds are a private paradise--lush, exotic landscaping surrounds multiple seating areas, a sparkling pool, and three separate storage/garden sheds, offering endless opportunities for relaxation and recreation. A rare offering blending timeless architecture with modern convenience in one of Pasadena's most desirable and prestigious locations.