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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.

Property Details of 601 Marion Avenue

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Listed by Rudolph Johnson of Keller Williams Inspire

Based on information submitted to MRED  as of July 23, 2026 . All data is obtained from various sources and has not been, and will not be, verified by broker or MRED.   All information should be independently reviewed and verified for accuracy.  Properties may or may not be listed by the office/agent presenting the information. NOTICE: Many homes contain recording devices, and buyers should be aware they may be recorded during a showing.

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