Welcome to 15 Glenbrook Drive, a timeless colonial nestled on a serene 5.5-acre lot at the end of a peaceful cul-de-sac. This luxurious property offers classic architecture and modern amenities introduced through a gated entry and a paver and Belgium block driveway. Perennial plantings, mature trees, meandering walking paths, and a refreshing inground pool create a picturesque and private oasis. An impressive foyer with a marble inlay floor sets the tone for the home's elegance. The home features generously sized rooms, including formal living and family rooms, each with wood-burning fireplaces, floor-to-ceiling windows, and sliding doors leading to a bluestone patio. The formal dining room, perfect for hosting dinner parties, is adorned with detailed moldings, built-in corner display cabinets, and pocket doors. The kitchen, ideal for everyday cooking and entertaining, boasts shaker-style cabinetry and a center island. On the second level, the primary suite features a dressing room and walk-in closets, while three additional bedrooms and three well-appointed baths offer comfort and privacy. A private office or studio on the second level is perfect for remote work, creative endeavors, or quiet study area. A separate carriage house includes extra living space and a full bath, ideal for guests, a gym, or a private retreat. This extraordinary property provides an unmatched living experience with its elegant design, beautiful setting, and idyllic Mendham location.