Welcome to 421 West Hawthorne Street, an elegant retreat nestled in the charming community of Arlington Heights. This exquisite two-story residence blends timeless curb appeal with thoughtful modern updates, offering 3,110 square feet of beautifully maintained living space on a coveted corner lot. Step through the grand two-story foyer featuring an oak staircase and six-panel doors, and you'll immediately notice the rich hardwood floors and detailed millwork that create an inviting, sophisticated atmosphere. The open floor plan on the first floor allows for effortless entertaining and large gatherings. The heart of the home centers around a spacious kitchen with Maple cabinetry, crown molding, granite countertops, an island breakfast bar, black appliances, and a large eating area with sliders leading to the backyard. A butler's pantry connects the kitchen to the formal dining room. The expansive family room is both warm and impressive, with a cathedral ceiling, a floor-to-ceiling brick fireplace (a favorite during winter months), and a wet bar for easy entertaining. Upstairs, you'll find four spacious bedrooms, including a primary suite that serves as a private sanctuary-complete with a whirlpool tub, separate shower, dual sinks, and a walk-in closet. Additional highlights include a full concrete basement with 1,200 square feet of space-ideal for recreation, storage, or customization. A three-car garage adds convenience and plenty of storage. Recent updates reflect the owners' pride of ownership and attention to detail, including windows, exterior doors, and French doors replaced in 2021 (Renewal by Andersen); attic fans replaced in June 2018 and one in October 2024; a second fridge in the mudroom (2024); sump pumps replaced in August 2024; basement ejector pump replaced in 2019; radon fan installed in January 2018; sprinkler system added in 2023; garage doors and openers replaced in 2023; fence installed in 2023; EV charger added in 2023; Kohler smart toilets installed in all three bathrooms (May 2024); exterior painted in 2023; attic insulation upgraded in August 2023; and major systems including A/C (2017), furnace (2017), roof (2018), water heater (2019), refrigerator (2021), oven/stovetop (2017), and dishwasher (2024). The home's mature landscaping adds to its beauty and tranquility. Limelight Panicle Hydrangeas bloom each year and never fail to take your breath away, while a Japanese Cherry Blossom tree graces the south end of the driveway. The covered front porch is perfect for relaxing with a cup of tea, especially when the fragrant Miss Kim Lilac on the east side of the home fills the air. The fenced backyard, surrounded by a six-foot privacy fence, creates an ideal space for summer fun and outdoor enjoyment. Located near parks and within walking distance to downtown Arlington Heights and the train, this distinguished home combines luxury, comfort, and convenience in one remarkable offering.