This is your chance to own a townhouse in magical South Slope. This charming three-story, two-family townhouse is move-in ready, or can be easily converted to a four-bedroom single family. The lower level of the garden duplex is an open floor plan. Upon entering, you are greeted with a cozy living room and the undeniable charm of exposed brick and beams. A spacious modern kitchen with wide glass sliding doors bring the outside in from a private patio and backyard, perfect for entertaining or sipping your morning coffee. Additionally, the garden level has a half bathroom and multiple flexible use spaces. The upper floor is configured with two bedrooms and a full bathroom. The main bedroom exits to a large private deck with stairs to the garden. The second bedroom, currently used as an office, provides plenty of character with original details like decorative moldings and a fireplace. On the top floor is a one-bedroom rental unit with a sunny front bedroom with ample closet space, an open kitchen-living space and a full bathroom. 399 Prospect Avenue measures 12.5' × 53' on a 100-foot lot. Move right in and generate rental income from day one or easily combine the units into a spacious single-family residence. This special property with amazing outdoor space is a perfect condo alternative. This lovely home is located seconds from PS 10, and minutes from New Voices, Prospect Park, multiple subways, and the wonderful shopping, dining and cultural amenities that make Park Slope and Greenwood Heights one of the most desirable destinations in Brooklyn.