YOUR CASTLE AWAITS! A ONE-OF-A-KIND COUNTRY ESTATE IN ST. CHARLES! Set on 48.98 picturesque acres bordered by FOREST PRESERVE on two sides, this extraordinary setting offers exceptional privacy & natural beauty, with winding Ferson Creek meandering through a portion of the property and direct access to the Great Western Trail. This extraordinary estate delivers the privacy, scale & versatility of a country retreat just minutes from everyday conveniences. A winding drive leads to the impressive all-brick custom estate, built in 1999 with 10,275 sqft above grade + 6,813 sqft finished walkout basement. An expansive brick paver circular drive creates a striking arrival at the grand covered entrance. Inside, an inviting foyer showcases a dramatic split staircase & soaring architecture. The breathtaking 28' Great Room features a floor-to-ceiling paneled fireplace, wall of windows & picturesque views. Expansive library w/exquisite millwork, built-ins, fireplace, wet bar & sitting area offers potential for a 1st-floor primary suite. Additional sitting room + adjoining guest rm provide flexibility for an office, playroom or expanded suite. Spectacular glass-enclosed sunroom w/soaring architectural glass ceiling, panoramic views & patio access. Expansive eat-in kitchen offers new quartz counters, deep sink, prep sink, wet bar & back staircase, flowing into a 28' formal dining rm w/space for 14+ guests. Impressive primary suite features fireplace, sitting room, Walk-in closet, TWO private baths, wet-bar connection + spiral staircase to a private gallery/loft. Secondary loft overlooks the main living areas. 2 ensuite bedrooms + 3 additional bedrooms w/adjacent bathrooms. Oversized ELEVATOR SHAFT designed to accommodate a future elevator serving all 4 levels; currently concealed behind finished walls. Finished walkout Basement offers fireplace, kitchen, full bath, laundry, recreation/entertaining areas + dedicated secure storage room with vault door. Sophisticated multi-zone mechanical systems include hydronic radiant floor heating for comfortable, even warmth, chilled-water cooling, supplemental central air conditioning, and domestic hot-water recirculation providing near-instant hot water throughout the expansive residence. Attached 4+ car garage w/9' overhead doors & 10' ceiling. A standout feature is the ATTACHED PRIVATE LIVING QUARTERS with its own PRIVATE ENTRANCE - ideal for MULTIGENERATIONAL LIVING, extended family or an au pair. This impressive self-contained space features a dramatic 2-story Great Room, full kitchen, bedroom/bath, loft + private washer/dryer. BRING THE CARS, TOYS & HOBBIES! Two contiguous barn/flex buildings add incredible versatility. The 2-STORY MAIN BRICK FLEX BUILDING measures approx. 60' x 45', is heated/centrally air-conditioned & features partially finished designated spaces ready for completion & personalization. Main level offers a 15' ceiling in the main rec. room, 10' ceilings throughout remaining spaces + rough-ins for 2.1 baths, kitchen/bar & laundry. Complete the existing vision or reconfigure for a CAR CONDO/collector's garage, workshop, golf simulator, indoor sport court, gym, entertaining venue, hobby space, studio or business storage. Upstairs, an INCREDIBLE 60' x 45' partially finished loft w/17' ceiling and 2 balconies is ready for completion & personalization as a studio, fitness space, billiards/game room, theater, creative workspace or recreation. Adjoining 50' x 45' LOWER/WHITE BARN offers 13' ceilings, oversized garage access w/11' doors + 13'-wide opening. Ideal for cars, boats, RVs, ATVs, tractors, equipment, workshop space, horses & ALL THE TOYS! Additional 45' x 13' 2nd-floor storage area w/12' ceiling. New Roof on all Buildings! Most of the property is zoned F-Farm. A portion of it is zoned RE-1. Agricultural uses would be permitted. Just Minutes to Randall Rd shopping, dining, recreation, Metra Train Station, The Fox River and Downtown St. Charles! St. Charles School District #303.