648 Union Street 1 Beautiful and spacious 1, 800 square foot North Slope duplex with a finished basement available for a October 1st move-in. The garden level welcomes you into a generous living and dining space centered around a working wood-burning fireplace, with the flexibility to use this room as an additional bedroom. The adjoining living room/den offers plenty of closet space and leads into a renovated chef's kitchen complete with a range, hood, and dishwasher. A half bath and sunny views of the private backyard complete this level. Upstairs, you'll find original hardwood floors, a king-sized primary bedroom with its own ensuite bath, a large bonus room ideal for a den, dressing room, office, or fourth bedroom, plus another full-sized bedroom. The finished basement provides even more usable space for a home office, playroom, gym, or storage. Additional highlights include an in-unit stackable washer/dryer, private outdoor space, and heat and hot water included. Conveniently located between 4th and 5th Avenues near the R train, with local favorites such as Bricolage and Stone Park Cafe nearby, along with Whole Foods, Prospect Park, and everything Park Slope and Gowanus have to offer. No pets please.