3S631 West Avenue Welcome to this spacious 4 bedroom, 4 bathroom home in desirable Warrenville set on a full acre lot! Offering exceptional privacy, this one of a kind property has been meticulously maintained and updated by the same owners for over 40 years including all new electric, copper piping, converting from well & septic to public water & sewer. The interior features a light & bright main level with a large living room, spacious kitchen with granite countertops, stainless steel appliances, including a new refrigerator and stove (2026), and room for a dining table, plus a bright four-season sunroom with vaulted ceilings and bamboo flooring. A first-floor bedroom and full bath provide the perfect setup for guests or a home office. Upstairs, the impressive primary suite boasts a vaulted tray ceiling, oversized walk-in closet, and private ensuite bath with dual vanity and a soaking tub. Two additional generously sized bedrooms include one with direct access to the hall bath featuring an extra-long vanity and soaking tub. Convenient second floor laundry with newer washer & dryer (2022) completes the upper level. The full finished basement with private exterior access offers outstanding potential for an in law arrangement or rental potential with a full kitchen with newer stainless appliances (2024), dining area, spacious family room, full bath, and laundry/utility room. Outside, enjoy your own private backyard retreat featuring a brick paver patio with pergola that leads to a fenced in sandy area with second pergola, expansive grassy yard with four storage sheds. A detached 2-car garage, and a 24' x 16' two-story barn provide endless storage or workshop possibilities. Recent updates include: New first-floor & basement A/C condenser (2025), new water heater (2024), Generac whole house generator (2024), new industrial garage door spring (2026). Sellers have also added LeafGuard gutters, Perma-Seal drain tile system with backup sump pump, wired fire alarms, & an underground gutter system to give piece of mind. The neighboring 1 acre lot is also available for sale, offering the potential to create a private 2 acre estate. Located in the highly rated District 200 and minutes to shopping, dining, parks & I-88 - This is the perfect place to start your next chapter.