4821 N Calle Llanura Tucked in a quiet, serene pocket of Del Cerro Ranch, this beautifully upgraded home sits on a spacious .83 acre lot and delivers stunning mountain views paired with true high efficiency living. From the moment you arrive, it's clear this property was designed for comfort, sustainability, and long term peace of mind. This home showcases HIGH efficiency throughout, beginning with the ENERGY STAR metal roof two solar attic fans, R40 blown in insulation, Low E double pane windows, and a 6 kW owned solar system (16 panels). Durable Allura siding, an insulated front door, on demand gas water heater, 19 SEER Lennox heat pump with new ductwork, and a smart thermostat complete the home's impressive energy saving package. Every major system has been thoughtful to maximize performance and minimize monthly costs. And while this home is incredibly efficient, it's also stunning. Inside, you'll find hickory hardwood floors, premium lighting, safety doors, and a custom built-in bookshelf with an electric fireplace that anchors the living space with warmth and style. The kitchen features a quiet 50 dBa dishwasher, easy clean microwave, print proof stainless steel refrigerator, and beautiful fixtures throughout. Bathrooms include dual flush toilets and upgraded faucets, and every room reflects pride of ownership and thoughtful design. The outdoor living is just as exceptional. The expansive lot provides room to breathe, play, and entertain. Enjoy an extra large covered patio, an extended patio cover, a fenced dog run or garden area, fully landscaped front and backyards, and 2 RV gates leading to the backyard perfect for toys, trailers, or future possibilities. With mountain views, peaceful surroundings, and clear night skies, this property offers a lifestyle that feels both private and connected to nature. This is a rare opportunity to own a gorgeously maintained, highly efficient home in one of Tucson's most tranquil settings. Homes like this don't come along often don't miss your chance to make it yours.