Fully renovated in 2023, this impeccably designed and styled limestone townhouse offers a rare combination of historic character and modern luxury. Every detail has been thoughtfully addressed with all-new plumbing, electrical, windows, oak flooring, mechanicals, and central Mitsubishi HVAC with rooftop solar, making this a true turnkey home. A classic stoop entry opens to a sun-drenched parlor level with soaring 10' ceilings, original woodwork, pocket doors, and stunning herringbone oak floors. The chef's kitchen is equally impressive, boasting custom cabinetry, quartz countertops, a spacious island with a farmhouse sink, and top-tier appliances(Sub-Zero, Viking, Miele). A rear extension creates a picture-perfect breakfast nook or office space, a powder room, and direct garden access. The finished basement offers a laundry room and flexible recreation space for gym and play; while upstairs, the primary suite spans the full width of the home with a bay window, walk-in closet, and luxurious bath. Additional bedrooms showcase restored fireplaces, bay windows, private en-suite baths, and a terrace. The top floor includes two bedrooms, an office/nursery, two baths, a second laundry closet, and abundant natural light from multiple skylights. 603 5th Street stands as a rare opportunity to own a flawlessly renovated limestone on a park block where timeless elegance meets modern comfort. The property is only minutes from the Brooklyn Public Library, Brooklyn Botanic Gardens, Sunday Farmer's Market, Brooklyn Museum, a plethora of local restaurants and shops, and excellent private & public schools. Manhattan is also easily accessible via several convenient subway lines, including the F & G and 2 & 3 subway lines. In a market starved for turnkey inventory, this incredible and rare townhome awaits a discerning purchaser seeking a mint-condition, luxurious, and historic home in prime Park Slope.