A prime Belmont location and refined private living come together in this magnificent residence set on a peaceful, tree-lined street in one of Belmont's most desirable neighborhoods, with easy access to Cambridge, Harvard Square and Boston. Thoughtfully designed and expertly constructed, this sophisticated 4-level home blends timeless elegance, everyday functionality, and modern comfort. The main level features gracious formal living and dining rooms, a beautifully appointed open-concept kitchen with premium Thermador appliances, a breakfast area, a versatile meeting/flex room, and a generously sized wet bar designed for entertaining. The upper levels offer multiple luxurious bedroom suites, a private office, laundry, a spacious front porch extending across the width of the home, and a versatile recreation or flex space-creating a thoughtful balance of comfort, privacy, and functionality throughout. A legal private lower-level suite adds exceptional flexibility with its own kitchen, private living space, 2 bedrooms, multiple bathrooms, and laundry-well suited for multi-generational living, extended stays, guests, or au pair accommodations. Complete with a 2-car garage, spacious patio, and private backyard, this remarkable Belmont home offers inviting spaces for relaxation and entertainment. With convenient access to local schools, public transportation, shopping, dining, parks, this is a rare opportunity to enjoy luxury, versatility, and lasting livability.