Welcome to this magnificent, 20'-wide, sun-flooded 4-bedroom, 3-bathroom 2-family limestone townhouse in the heart of Crown Heights. Nestled on a classic, tree-lined block, this 3,378-square-foot residence features stunning architectural details, including a sky-lit white spindled staircase and a beautiful full backyard oasis. Whether you are looking for an income-generating rental property or a grand single-family home conversion, this property offers incredible versatility. Enter the home through decorative, wrought iron, side-by-side doors with a stained-glass paned transom above. Once you step inside, light pours down from the skylight over the stair, illuminating the original staircase and pier mirror to flood the entrance with sunshine. The owner's duplex on the parlor floor and lower level is bathed in gorgeous North and South light throughout the day. The nearly 10' ceilings and the home's gracious extended length create a sense of abundant space. The renovated kitchen is light and bright with its own eat-in breakfast nook overlooking the birds and trees in the lovely backyard, and the yard is the perfect canvas for your next outdoor dinner party and kids' playdate. There is plenty of room for it all. As you ascend to the second-floor unit, the bright skylit landing welcomes you into a full-floor-length apartment with elegant original wood-inlay floors and gorgeous bay windows with stained-glass details. The kitchen is equipped with sleek Whirlpool stainless steel appliances, seamlessly blending modern functionality with the home's historic charm. On the lower level, a sprawling, fully finished basement with an extra bathroom and wet bar awaits. With easy access to Union Street and the garden, it is the perfect canvas for a home theater, recreation room, personal gym, or yoga studio. This classic limestone townhouse offers a rare combination of historic character and modern opportunity. Located just steps from the 3 and 4 subway lines, you will enjoy quick transit access alongside the very best of Crown Heights’ vibrant community, local dining, and neighborhood charm.