Own a Charming Townhouse in the Slope! Welcome to 399 Prospect Avenue, a beautifully maintained two-family townhouse perfectly positioned on the border of Park Slope and South Slope. Offering exceptional flexibility, this home is ideal whether you're seeking a move-in-ready residence with rental income or envisioning a spacious four-bedroom single-family retreat. The garden-level duplex invites you in with an open, thoughtfully designed layout, where exposed brick and original wood beams create warmth and character. The bright and airy living room flows seamlessly into a modern, spacious kitchen, complete with wide glass sliding doors that open onto a private patio and lush backyard—a serene oasis perfect for morning coffee, entertaining, or unwinding. This level also includes a half bath and versatile spaces that can be customized to suit your needs. Upstairs, you'll find two well-appointed bedrooms and a full bathroom. The primary bedroom features direct access to a generous private deck with a staircase leading down to the garden. The second bedroom, currently used as an office, is full of charm, showcasing original details such as decorative moldings and fireplaces. The top floor boasts a bright and airy one-bedroom rental unit, featuring a sun-filled front bedroom with ample closet space, an open kitchen-living area, and a full bathroom—offering an excellent opportunity for rental income or a private guest suite. This exceptional townhouse is a fantastic condo alternative, providing private outdoor space, historic character, and versatility. Live comfortably while generating rental income, or easily convert the home into a spacious single-family haven. Ideally situated near P.S. 10 and just minutes from New Voices, Prospect Park, Nitehawk Cinema, boutique shops, top-rated restaurants, supermarkets, multiple subway and bus lines, and the vibrant cultural experiences that make Park Slope, South Slope/Greenwood Heights some of Brooklyn’s most sought-after neighborhoods. Don’t miss this rare opportunity to own a piece of Brooklyn charm! Contact us today for more details and to schedule a showing.