Modern Elegance in the Heart of Bethesda. Welcome to 6109 Greentree Road a fully renovated and expanded mid-century modern masterpiece nestled in one of Bethesdas most desirable neighborhoods. This stunning four-bedroom, three-and-a-half-bath home has been reimagined with impeccable attention to detail and the highest quality finishes throughout. The open, airy design harmonizes sleek modernism with timeless comfort, offering spacious living areas, two Heat & Glow gas fireplaces, and a seamless indoor-outdoor flow. The beautifully redesigned gardens feature lush landscaping, multiple patios, and parking for four vehicles in the front. The gourmet kitchen is a culinary dream, boasting an impressive suite of Miele appliances including a built-in wall oven, steam oven, 36 refrigerator/freezer, and coffee system. A separate bar area with under-counter wine cooler and dishwasher ensures effortless entertaining, while the Miele-equipped laundry room offers high-efficiency performance on a waterproof floor. Every detail supports sustainable luxuryfrom the Tesla solar shingle roof and four Powerwall batteries to two EV charging stations and a 17 kW solar system tied to a Pepco net-zero meter. The homes intelligent infrastructure includes a 400-amp electrical service, LED lighting throughout, advanced HVAC with Bosch and Panasonic systems, and an Aqua Pure water filter. Environmentally conscious design features like double-pane Argon gas windows and passive solar orientation reduce energy use while maximizing comfort. Premium finishes in oak, stone, tile, and glass add sophisticated texture and warmth. 6109 Greentree Road is more than a homeit's a refined lifestyle powered by innovation, comfort, and timeless design.