Introducing this brand-new duplex penthouse with sun-drenched interiors and a prime Prospect Heights address: a 4-bedroom, 3-bathroom corner condo boasting a private- keyed elevator landing and two private rooftop terraces with 220V hook-ups for an electric BBQ. Residents are greeted by a grand open-concept living room, dining room, and kitchen with engineered white oak floors, floor-to-ceiling windows, concealed Daikin split system A/C, and airy 13.5-foot ceilings. Just off the living area is a private guest room that can easily be used as an office or nursery. The chefs kitchen has an eat-in waterfall peninsula, custom oversized cabinetry, stunning quartz countertops and backsplash, and integrated high-end appliances including a panel-covered 36 Fisher & Paykel refrigerator, XO microwave drawer, Summit wine cooler, and a Bertazzoni gas range, stove, and dishwasher. The lower-level suite enjoys double exposures with ample closet space, and a windowed en-suite bathroom with a custom floating vanity, imported Italian tiles, an oversized medicine cabinet, Brizzo fixtures, and a walk-in shower. The second bedroom has easy access to the second full bathroom. The upper-level suite is a luminous sanctuary with a luxurious en-suite bathroom and direct access to an expansive rooftop deck. Additional highlights include an adjacent storage unit, a gas vented LG washer/dryer, and a tankless gas-powered hot water heater from Navian. 658 Washington sits on a unique corner lot close to dozens of trendy restaurants, bars, and cafes like Little Egg, Leland, The Islands, Shake Shack, The Barlow, Ciao Gloria, and Olmsted. Prospect Park, Brooklyn Museum, Brooklyn Botanic Garden, Barclays Center, and Atlantic Center Mall are minutes away. Accessible subway lines include the 2/3/B/C/Q. Pets are allowed.