Introducing a stunning architectural gem nestled on one of North Boulder’s most coveted streets. This energy-efficient home is minutes from Pearl Street Mall and easy walking distance to hiking trails. Set on a beautifully landscaped lot, it features a fenced, low-maintenance yard, mature trees and two covered patios perfect for enjoying the outdoors. Inside, the contemporary open floor design is highlighted by abundant natural light and spacious rooms. Superior craftsmanship and energy-conscious design are evident throughout the four levels, which include a walk-out basement – ideal for guests – and an exquisite third floor SkyLounge. The central chef’s kitchen anchors the main level and boasts custom Alder cabinets, walk-in pantry, dual sinks, large island, granite slab countertops, and premium appliances including Wolf double oven, Thermador induction cooktop, and a Sub-Zero refrigerator. Adjacent to the kitchen are both dining and sun-filled living areas, with the rear opening to a pergola-shaded patio through a dramatic double-sided gas fireplace. High-end finishes abound, including white oak flooring, custom built-ins, shaker-style doors, hand-troweled walls, stylish lighting, and Italian tile. Upstairs, the primary suite offers a private south-facing balcony and a luxurious spa-like bathroom with a walk-in closet. Two additional bedrooms-each with walk-in closets-a shared bathroom, and a spacious laundry room complete the second floor. On the third level, the SkyLounge offers another balcony with Flatirons views and serves as an office, gym, or optional fifth bedroom with an additional bathroom. The expansive finished basement includes a recreation room, theater, bedroom, full bath, wine storage, and wet-bar kitchenette. Additional features include three-car garage, radiant in-floor heating throughout, dual-zone central AC, high-efficiency on-demand boiler, top-tier insulation, low-E windows, and cable and ethernet wiring in every room.