Meticulously Maintained Rosebank Colonial with Renovated Kitchen, Detached Backyard Office & Landscaped Garden Welcome to timeless character and exceptional care at 42 St. Mary's Avenue. Beautifully maintained inside and out, this 2-story Colonial offers a spacious, flexible layout designed for modern comfort. Step through the welcoming entry foyer into a sunlit main floor anchored by rich oak hardwood floors. The generous living room and adjacent den flow seamlessly into a formal dining area and a beautifully renovated kitchen featuring modern finishes, ample cabinetry, and updated counter space-perfect for home cooking and entertaining. A stylishly updated bathroom rounds out the main floor. The upper level has carpeting throughout the sleeping quarters, leading to three well-kept, comfortable bedrooms plus a versatile walk-through room ideal for a secondary workspace, reading room, or dressing suite. The Standout Feature: Beyond the main house, step outside into a lush, private garden space. Nestled in the backyard is a custom detached cottage equipped with electric service, offering a dedicated remote work office, home gym, or quiet hobby workshop completely separate from the main living space. Conveniently located near the Verrazano-Narrows Bridge, Manhattan express buses, the Ferry, and local shopping, this property combines everyday commuting ease with a peaceful backyard escape.