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.