601 Marion Avenue Iconic Mid-Century Modern Ranch **3, 500+ SQ FT | Nearly 0.75-Acre Cul-de-Sac Lot | Dual Suite Potential** Welcome to **601 Marion**, an extraordinary all-brick Mid-Century Modern ranch that effortlessly pairs iconic 1950s architectural character with high-end, ultra-modern conveniences. Tucked away on a quiet, tree-lined cul-de-sac surrounded by mature trees and visiting deer, this almost 3/4-acre oasis offers serene privacy while remaining within walking distance of parks and vibrant downtown St. Charles. ### **Key Highlights & Architectural Details** * **Luxurious Primary Suite:** Thoughtfully remodeled to perfection, featuring continuous tile flooring, **heated floors, heated ceilings**, and a breathtaking primary bath. * **Flexible Layout / In-Law Suite:** Includes 4 bedrooms and a dedicated 4th bedroom/office with classic pocket doors. The spacious 3rd bedroom serves as a secondary suite or private apartment-complete with its own exterior entrance, impeccably preserved original tile full bath, and a private stamped concrete patio. * **Renovated Kitchen & Laundry:** The main kitchen has been thoughtfully updated, while the charm of the original custom kitchen cabinets lives on, repurposed in the dedicated laundry room. * **Sun-Drenched Family / Sunroom:** Features floor-to-ceiling sliding glass doors on three sides, filling the space with natural light and opening directly onto **two stamped concrete patios** for seamless indoor-outdoor living. * **Entertainer's Dream:** Showcases original wood-lined walls, custom built-ins throughout, an original stone fireplace with a **built-in indoor grill**, and a wet bar featuring a **hidden door to a secret storage room**. * **Abundant Storage:** Unmatched custom built-ins guarantee you'll never run out of space. **Major Mechanical & Exterior Updates** * **Boiler:** 2018 * **HVAC (East Side):** 2018 * **Roof:** 2017 * **Exterior:** All-brick construction on an expansive, picturesque in-town lot.