Where Luxury Meets Legacy. Introducing a one-of-a-kind generational estate on a rare, acre-sized lot at 1590 Sumac Ave in North Boulder. Four years in the making, this architectural masterpiece is now available for $7,950,000-an unparalleled value at just $1,109 per square foot, making it one of the least expensive price-per-square-foot homes in the luxury market. Designed to impress, this residence showcases unparalleled craftsmanship, premium finishes, and world-class amenities, including a saltwater pool, spa, and pool house. Priced below today's build cost, it offers unmatched value for the discerning buyer. From the moment you step through the custom solid walnut pivot door into the grand 26-foot foyer, you're met with visionary design and superior workmanship. A stunning mono-stringer floating staircase makes a striking statement, while wide-plank white oak flooring, Italian tile, and Jerusalem-cut limestone accents exude timeless elegance. Custom trowel finishes and walnut accent walls further elevate the space to a true work of art. With 7,170 square feet of above-ground living space, this home is designed for versatile, modern living. The chef's kitchen is both stylish and functional, featuring Pental Quartz slab countertops, Shiloh cabinetry, and Miele appliances. Solid panel doors with walnut casings, Emtek hardware, and concealed SOSS hinges add a touch of refinement, while Lutron lighting and motorized window coverings ensure effortless comfort and privacy. Luxury abounds with a glass-faced 368-bottle wine rack, an elevator, three contemporary EcoSmart fireplaces, and a pool house with a sauna and steam shower. This HERS Net Zero rated home is as sustainable as it is stunning, featuring a 24.5-kilowatt solar array and an advanced technology package. Crafted by Brown Development, a name synonymous with excellence in luxury custom homes, this residence is more than a home-it's a statement of sophistication, innovation, and enduring value.