Timeless design, sweeping views, & unmatched privacy define this exceptional custom estate. Tucked at the end of a private drive on nearly 3 acres and surrounded on three sides by over 40 acres of permanent open space, this rare offering delivers a true sense of seclusion-yet remains just a 10-minute walk to downtown Niwot via scenic trails. This 5-bedroom residence features a new roof in Dec 2025, 5 full baths plus 3 powder rooms and offers over 7,700 finished square feet of refined living, with wide hallways, soaring ceilings, and custom finishes throughout. The main level is anchored by a sun-filled great room with a striking stone fireplace, complemented by elegant dining spaces, a richly appointed library, and a chef's kitchen showcasing premium appliances, a large center island, and a butler's pantry.A private main-level suite provides an ideal retreat with its own fireplace, spa-inspired bath, a walk-in closet with dual access, and direct access to the rear deck. A separate guest suite on the opposite side of the main level ensures comfort and privacy for visitors. Upstairs, additional en suite bedrooms offer walk-in closets and a flexible bonus room that can be closed off for added versatility. The finished lower level expands the living space with a large recreation room, wine cellar, and abundant storage. A standout feature is the detached barn-style cottage & garage, originally designed as a professional workspace. It includes a kitchenette, meeting room, office, powder room, hickory flooring, flat ceilings, & covered private deck. While not currently built for overnight accommodations, the space offers exciting future potential for guest or multi-generational use. The barn includes a 2.5-car garage, while the main home features an oversized 2-car garage. Manicured landscaping, expansive mahogany decks w-electric shades, and ample space for a pool or sport court complete this private haven in one of Niwot's most picturesque and prestigious neighborhoods.