622 Saint Nicholas Drive Flooded with natural light from expansive windows, this beautifully maintained 4-bedroom, 3 full and 1 half bath tri-level home offers space, comfort, and an unbeatable location. The unique tri-level layout provides flexible living areas, including a finished lower level with a private en suite — ideal for guests, multi-generational living, or a private retreat. Step right out to your in-ground pool and enjoy a backyard designed for entertaining and everyday fun. The spacious yard offers plenty of room to gather, play, and relax, all nestled within a quiet, walkable neighborhood perfect for biking or evening strolls. Additional highlights include newer wood flooring throughout select main living areas, a roof replaced in 2025, updated pool plumbing and equipment, and a 2-car garage with attic storage for added convenience. Located within walking distance to Estelle Kampmeyer Elementary School, Carriel Junior High School, and O'Fallon High School - Smiley Campus, and just minutes from Scott Air Force Base, this home combines everyday practicality with a lifestyle you’ll love.