A rare combination of scale, private outdoor living and sustainable design, this three-bedroom, two-and-a-half-bathroom duplex offers approximately 2,100 square feet in the heart of Park Slope. As the first resale ever offered in the building, the home also presents the opportunity to purchase an on-site parking space (ELECTRIC VEHICLE CHARGING STATION AVAILABLE ON SITE). Built to rigorous Passive House standards, the residence offers exceptional energy efficiency, comfort, sound attenuation and indoor air quality. Insulated concrete-form construction, oversized triple-pane windows, one-way vision screens in both front bedrooms and custom top-down/bottom-up blinds throughout all bedrooms provide enhanced privacy, light control and thermal insulation. A Zehnder HRV system continuously circulates filtered fresh air year-round. The expansive main level features soaring ceilings, seven-inch-wide oak floors and private gardens at both the front and rear. The landscaped rear garden, with paved terrace and turf lawn, is ideal for dining, entertaining and relaxing outdoors. The open kitchen features custom cabinetry, marble countertops, integrated appliances and a Viking range. All three bedrooms are conveniently located on the main level. The primary suite opens to the front garden and features generous closets and an en suite marble bath, while two additional bedrooms share a full guest bath. Enhanced by natural light from front and rear areaways, the substantial lower level includes a powder room, Bosch laundry room and abundant storage, with flexible space for a media room, office, gym, playroom or studio. Additional amenities include direct elevator access, ButterflyMX smart intercom, a landscaped common garden and shared roof deck. Just three blocks from Prospect Park and moments from Park Slope's restaurants, cafés, boutiques and F, G and R subway lines, this exceptional residence offers the space and privacy of townhouse-style living with the efficiency and comfort of modern Passive House construction. Taxes advertised include STAR abatement