Grand in scale and rich in original detail, 150 Sixth Avenue is a classic Park Slope townhouse offering expansive interiors, a deep rear garden, and a flexible three-family configuration. At an impressive 22 feet wide, the four-story home is currently configured with a one-bedroom, one-bath garden apartment, a grand 2.5-bedroom, 1.5-bath duplex on the parlor and third floors, and a two-bedroom, one-bath apartment on the top floor. The centerpiece of the home is the expansive duplex. Enter on the parlor floor, where soaring ceilings, oversized rooms, original moldings, decorative fireplace mantels, and beautiful hardwood floors speak to the scale and character of the house. The gracious layout provides distinct living and dining spaces with wonderful proportions and an easy flow for both everyday living and entertaining. A powder room and conveniently located kitchen complete this level. Upstairs, the bedroom floor offers 2.5 bedrooms and a full bath. Generous room sizes, high ceilings, and wonderful natural light continue throughout this level, while the home’s exceptional width gives each room an added sense of space. The garden level is configured as a one-bedroom, one-bath apartment with direct access to the large rear garden. The deep backyard, anchored by a mature flowering cherry tree, provides a wonderful extension of the living space and a peaceful retreat from the city. The top floor is currently arranged as a bright two-bedroom, one-bath apartment, providing additional rental income or flexibility for guests, extended family, or future incorporation into a larger owner’s residence. Original doors, moldings, plasterwork, marble fireplace mantels, hardwood floors remain throughout the house, providing a beautiful foundation for its next owner. A large unfinished cellar offers substantial additional storage. Located on a picturesque tree-lined block in prime Park Slope, 150 Sixth Avenue is moments from Barclays Center, Prospect Park and Grand Army Plaza, with the shops, restaurants, cafés, and neighborhood favorites of Fifth and Seventh Avenues all nearby. The Atlantic Avenue transportation hub is just a few blocks away. A special opportunity to own a substantial Park Slope townhouse with remarkable width and beautiful period detail, whether as an end-user seeking a gracious home with rental income or as an investment property with three distinct residences.