Come explore the charm and uniqueness of this exceptional four story, two unit Brownstone, set on one of the best blocks in vibrant Carroll Gardens. This rare opportunity awaits your personal touch. Bring your architect and contractor and envision your dream home. This gorgeous residence measures 14 x 45 with an extension, set on a 90 foot lot. The garden floor was recently reinforced with steel beams and renovated with high-end stainless-steel appliances, new floors and split-unit air conditioning. Approximately 3375 square feet affords tremendous versatility to create a layout and flow to fit any lifestyle. Configure the house as a two family with a spacious owners garden triplex and an income-generating top floor rental, or design a spectacular single family that could easily be your forever home. 371 Union Street is ideally located on one of Brooklyn's most sought-after blocks, with an address just moments to lovely Carroll Park, boutique shops, great cafes, Smith Street's 'Restaurant Row,' plus numerous services and conveniences. The F/G subway lines are a half block away, as well as easy bus service and close proximity to the BQE for drivers. Truly an amazing offering that must be seen to be appreciated! This is a co-listing!