Welcome to 271 11th Street! This Classic Park Slope, Pre-War, Brick Townhouse, With An Incredible Backyard, Is Ready To Be Redefined. This legal 3 family home, with 2 kitchens, was utilized as a single-family home, and provides an excellent opportunity to create your own Park Slope dream home! Bring your contractor! Architect designs available on request, including option of a garden rental, and upper owner's duplex... or triplex! With an additional 1,400 sq. ft. of buildable FAR available, create your "jewel box" rooftop addition, with another 2 full bedrooms, bathroom and private roof terraces. (Consult with your architect to verify details.) Add a deck to the 2nd floor, and provide the garden unit with its own outdoor space, to maximize rental value. Other options include renovating basement to create owner's triplex, with top floor rental, or keep the entire home for yourself! On a 100-foot lot, this home is almost 17 ft. wide x 40 ft. long, and offers a serene, 40-foot backyard as a wonderful retreat. Brimming with sunlight from Southern exposures upfront, the home is currently configured with 5 bedrooms, and 2 bathrooms. Original details include marble fireplaces, pocket doors and Victorian Fretwork. The Garden Level offers 8-foot ceilings with a living / dining area, a large eat-in kitchen, mud room with washer/dryer, and entrance to the backyard. The Parlor Floor is grand, with over 10-foot ceilings, 3 large rooms, and an oversized, windowed bathroom. The top floor has almost 9-foot ceilings, and is currently set up with a kitchen, and adjoining living/dining area, and 2 bedrooms. 11th Street is a warm and welcoming, tree-lined block, with terrific Park Slope history and charm. This location provides excellent access to transportation, Citi Bike stations, grocery shopping, restaurants, gyms, and of course Prospect Park! 1.5 blocks to F/G/R trains, and 5 blocks to Prospect Park. Zoned for District 15 / P.S. 124. Imagine your Park Slope possibilities! Building details: Approx. 2,700 square feet, including basement 16.67 ft. x 40 ft. on 100 ft. lot 40 ft. Backyard 20 ft. Front yard Unused FAR: 1,367 Please reach out to schedule your private viewing!