Looking for luxury living just steps from the Metra Train and Downtown Naperville? Welcome to 715-717 N Brainard Street, a truly exceptional custom-built duplex offering over 4,000 square feet of finely curated living space spanning four impressive levels - all within walking distance from the 5th Avenue Metra station! Offering every attention to detail, including 4 bedrooms; 5 full bathrooms; Marvin windows; Pinnacle stairs; custom cabinetry by Homeowners Dream Custom Cabinets; maintenance-free James Hardie siding; a spacious 2-car detached garage (per unit); and an incredible layout designed for both comfort and style, this home is the definition of luxury living in one of Naperville's most sought-after locations. Step through a covered entry and enjoy an expertly curated space boasting white oak flooring, hand-picked designer lighting, and elevated finishes throughout. The main level features a welcoming foyer with a coat closet, a full bathroom, and a flexible office space ideal for use as a workspace or additional bedroom. The open-concept main living space seamlessly connects the chef's kitchen, dining area, and spacious family room. Designed for both function and flair, the kitchen boasts soft-close custom cabinetry by Homeowners Dream; roll-out drawers; a walk-in pantry; pot filler; beverage refrigerator; and even a dedicated garbage disposal button - every element selected with luxury in mind. A cozy 3-season room and mudroom with built-in cubbies offer additional space designed for everyday living. An elegant white oak staircase, crafted by Naperville's own Pinnacle Stairs, leads to a second level featuring an exquisite primary suite with a spa-inspired bathroom offering a dual sink vanity, large walk-in shower, private toilet closet, and an oversized walk-in closet. Two additional bedrooms with ample closet space, a shared hall bath, and a conveniently located laundry room complete the second level. Upstairs, the third-floor retreat serves as a versatile bonus room with its own full bath and ample closet space - perfect for a home theater, fitness studio, or guest suite! The finished basement offers 9-foot ceilings, a spacious rec area, a bar with beverage fridge, an additional full bathroom, a 4th bedroom, and generous storage - all with sound-reducing drop ceilings for added comfort. For accessibility, an elevator can be added for an additional charge. This is more than just a home - it's a lifestyle upgrade in the heart of Downtown Naperville. Don't miss your opportunity to own a thoughtfully designed residence that perfectly blends timeless craftsmanship with today's most sought after amenities!