A rare opportunity on Park Ridge's sought-after West Side, this spacious 5-bedroom Colonial sits on an impressive half-acre of beautifully landscaped, park-like property, offering exceptional space, privacy, and future potential just moments from the heart of town. A grand circular driveway creates an inviting first impression. Inside, refinished hardwood floors throughout a generous floor plan featuring five well-proportioned bedrooms, including a private primary suite with en-suite bath, an additional full bath, and powder room. Thoughtful updates include new kitchen flooring, a new front door, updated light fixtures, an upgraded electrical panel, and reverse osmosis water filtration system. The sun-filled four-season sunroom offers flexible space for a home office, playroom, den, or peaceful retreat, while the partially finished basement provides additional space and a home gym. A standout feature is the oversized walk-up attic, offering tremendous potential for future expansion and customization. Outside, the expansive half-acre property provides a private setting with plenty of room to entertain, play, or garden. All of this in an exceptional West Side location within walking distance of downtown Park Ridge, schools, shopping, dining, and transportation. Offering five bedrooms, a half-acre property, circular driveway, flexible living spaces, updates, and remarkable expansion potential, 31 4th Street is a home that deserves to be experienced in person.