Contemporary design meets magnificent outdoor space in this ultra-private, immaculate 5BD/3BA on a peaceful N. Boulder cul-de-sac. Available for the first time and beautifully maintained by original owners for nearly 40 years, including meticulous 1998 expansion, 2016 complete renovations, the exquisite home prioritizes sunlight, openness and flow. A gracious entry W a large coat closet introduces white oak floors, soaring ceilings and luxury art lighting. To the right, the formal living room invites you to relax alongside a gas fireplace. Throughout the living spaces, oversized glass doors and windows capture glorious natural light and leafy views. Ahead, the family room boasts sky-high ceilings, clerestory windows, a fireplace and floor-to-ceiling glass. A dining area welcomes dinner for 10 or more alongside the sleek open kitchen featuring Aspen Leaf cabinetry, a massive center island, upscale appliances, including 3 Miele ovens and Jenn-Air refrigerator. A rear mudroom, beautiful guest bath and extra-large laundry room complete the main level. Main-floor living spaces open to the beautiful fenced grounds' oversized courtyards, multiple sitting areas, a meditation space, paved paths, mature plantings, towering rare trees, shrubs and two water features. On the upper level, the king-size primary suite features a custom walk-in closet and an en suite spa bathroom. There are two upper secondary bedrooms, including one with wraparound views and an attached bonus room. A half-flight down from the main level, you'll find a large rec room flanked by two secondary bedrooms and an oversized full bath. Motorized shades, wired security system, Mitsubishi A/C units, Runtal heat, speaker wiring by Listen Up, three-car garage. Manicured front yard, exceptional curb appeal. This North Boulder retreat is minutes from top-rated schools, Dharma's Garden, Wonderland Lake, parks, and trails, with NoBo and Downtown/Pearl Street amenities nearby. Conveys with Silver Ditch water rights.