Welcome to 557 Saint Marks, a two-family townhouse brimming with potential that's primed for both users and developers! Located in the heart of vibrant Crown Heights. this distinguished brick property offers an ideal opportunity to create a personalized masterpiece on an exceptionally desirable block. Adding to its allure and generous lot dimensions of 17' x 128.5', the 2.0 FAR (Floor Area Ratio) allows for approximately 2,100 buildable SF for expansion and development. Remarkably low taxes and its coveted tax-class 1 status make this a sustainable asset for years to come! The existing layout, consisting of a 4-bedroom, 2-bathroom duplex over a 1-bedroom, 1-bathroom garden apartment, offers both user-friendliness and the added bonus of an income-producing unit. Common elements include amazing (and multiple) exposures, original parquet wood floors, large windows, and spacious living areas. The expansive backyard on an extra-deep lot fulfills the dreams of a true outdoor lover. A single-family conversion to a triplex layout is easily achievable! With its unrivaled location nestled between Bedford and Franklin Avenues, 557 Saint Marks offers easy access to an array of cultural and outdoor attractions, including dining options and transportation links, making it a highly desirable property to call home. Nearby subway lines include the A/C/S/2/3/4/5, while Prospect Park, the Brooklyn Museum, and Grand Army Plaza are within a mile away. Embrace the opportunity to transform this townhouse into a stunning residence in one of Brooklyn's most sought-after neighborhoods.