Welcome to 84 6th Avenue, an exquisite two-bedroom, two-and-a-half-bathroom duplex condominium where timeless Brooklyn architecture meets thoughtful, high-end renovation. Nestled within a beautifully restored 1884 Neo-Grec brownstone in the Park Slope Historic District, this nearly 1,700-square-foot home offers an extraordinary combination of indoor comfort and rare private outdoor space. Meticul...