5511 W 78th Street Nestled along one of the most private and tranquil streets in Westchester's coveted Osage neighborhood, this exquisitely designed four-bedroom, four-and-a-half-bathroom residence offers a sophisticated blend of timeless elegance and contemporary luxury. A magnificent mature sweetgum tree, lush landscaping, and an elegant limestone fountain frame the home's striking facade, while an arched iron entry door welcomes you inside. Soaring ten-foot ceilings, wide-plank engineered white oak flooring, and abundant natural light create an atmosphere of understated luxury. The beautifully appointed chef's kitchen features custom white oak cabinetry, Taj Mahal porcelain countertops, and premium Thermador appliances, seamlessly connecting to the dining and living areas. A stunning stone fireplace, natural stone finishes, and antique brass accents add warmth and architectural character throughout. The main level includes a private en-suite bedroom and an elegant powder room. Upstairs, dramatic vaulted ceilings enhance the sense of space, while the luxurious primary suite offers a fireplace, oversized walk-in closet, and spa-inspired bathroom adorned with Calacatta Arabescato stone, a ten-foot shower with dual fixtures, and a separate water closet. The additional bedrooms offer generous closet space, beautiful natural light, and the same attention to detail found throughout the residence. Expansive outdoor living spaces provide an exceptional setting for entertaining and relaxation, featuring a generous grassy yard, lush landscaping, a spacious dining patio, and a fully appointed barbecue area with extensive counter space and a built-in refrigerator. A secluded sitting area adjoining the downstairs bedroom offers an additional private retreat. Integrated speakers and exterior security cameras provide modern convenience. With its refined finishes, thoughtful architectural details, and effortless indoor-outdoor flow, this exceptional residence embodies sophisticated California living.