Welcome to 434 John Marshall Ln, a true showstopper nestled in the highly sought-after Heron Creek subdivision! This beautifully maintained 5-bedroom, 3.5-bathroom home spares no detail, offering an exceptional blend of style, comfort, and convenience. A charming covered front porch welcomes you into a spacious foyer, where rich hardwood floors (installed in 2020) extend throughout the home. The front living room-currently used as a home gym and office-flows seamlessly into the large formal dining room, where bay windows offer picturesque views of the expansive backyard. The upgraded kitchen features stainless steel appliances (including a new refrigerator and dishwasher), quartz countertops, sleek grey subway tile backsplash, matte black hardware, and a modern faucet. The adjoining eat-in area leads to a large, newly refinished deck (2024), overlooking the sun-drenched backyard-perfect for a garden or entertaining family and friends. The open-concept family room showcases additional bay windows, a gorgeous marble-front woodburning fireplace with a gas igniter, and a custom floating entertainment center with a shiplap accent wall and sconces. Convenient access to the heated three-car garage makes bringing in groceries a breeze. As you head upstairs, you'll pass the stylishly updated half-bath (2021), featuring elegant marble flooring that echoes the family room fireplace. The second floor is highlighted by the luxurious primary suite, complete with a vaulted ceiling, accent wall, and en-suite bathroom. This spa-like retreat boasts double sinks, a makeup vanity, a whirlpool tub, a separate shower, and a spacious walk-in closet. Recent updates include epoxy countertops, trendy brass hardware, and updated lighting and faucets. The space-grey washer and dryer (2022) are conveniently located in the upper hallway, leading to a full bathroom and three additional bedrooms, each with unique touches like wood-trimmed accent walls and floral wallpaper, plus generous closet space. The partially finished basement offers even more living space, featuring a bedroom with a closet and egress window, a newly updated full bathroom (2024), and a large rec area ready for an additional woodburning fireplace. Ample windows bring in natural light from the backyard. The utility rooms provide extra storage and house mechanicals, including the furnace, water heater, Culligan reverse osmosis and water softener (2020), sump pump, and radon mitigation system. Additional exterior upgrades (2020) include a new roof, siding, gutters, downspouts, and garage doors. Ideally situated within walking distance to parks, restaurants, Jewel Osco, downtown Sycamore, and both the elementary and middle schools-while backing up to an open field-this home offers the perfect blend of accessibility and privacy. Schedule your showing today and envision yourself calling this incredible property "home"!