Nestled on an amazing, premium .46 acre conservation lot in one of Naperville's most sought-after neighborhoods, River Run, you will find this stunning property offers a blend of modern elegance and serene tranquility. Rear Southern exposure offers tranquil views of the lot overlooking a gentle stream with it's own private bridge, extensive landscape gardens, outdoor living space/paver stone patio, pergola, and koi pond ('as is). The thoughtfully designed custom floor plan offers a first-floor primary bedroom, 9 & 10-foot ceilings, volume/tray ceilings throughout, & arched windows/transoms. Throughout the main and second levels, you'll be greeted by the warmth of hardwood floors and architectural/Capitol & crown moldings, wainscoting, wide custom millwork. The open layout seamlessly connects the living spaces, creating an ideal environment for both entertaining and daily living. FR w/18 ft. volume ceiling, 2 Sty fireplace w/brick/decorative wood front, marble hearth, gas logs, full wall built-in cherry bookcase/cabinet, arched windows & ceiling fan. The chef will love the kitchen offering an oversized island, commercial-grade stainless steel appliances: 6-burner, fully-vented Thermador gas oven/range, along with a second B/I oven, New Samsung DW, faucet '24, Kitchenaid B/I refrigerator/freezer, walk-in pantry with new custom wood shelving '24; a wrap-around butler pantry w/wet bar for additional serving options; spacious separate bay-window breakfast area. The adjoining sunroom was converted to a 4-season room (both heat & air), which allows for additional flex space on the main level for entertaining, relaxing, and taking in the serene views. The first floor boasts a luxurious, spacious primary suite with w/built-in dresser/bookcases '24, new custom WIC with glass/wood cabinets '24. The whirlpool bath and updated marble double shower offers a private retreat with unique exterior access to the patio/gardens. Even with a rare first-floor primary bedroom, the floor plan still allows for formal living & dining rooms as well as a first-floor office with built-ins & French doors in a private location. 1st floor laundry room with storage, new deep stainless utility sink, new Samsung W/D '24, laundry chute, and additional cubbies to keep everyone organized. 3-car garage with rear service door, outlet for your EV & two EDOs. Two full staircases to the 2nd floor. Upstairs, you will find a cozy loft area perfect for a homework desk. Spacious BRS #2 & #3 share a divided Jack-N-Jill bathroom, w/volume ceiling & skylight. Bedroom #4 boasts cathedral ceiling & an en-suite private bath to ensure comfort and privacy for family or guests alike;All 3 BRs have WICs and hardwood floors. The finished lower level is an entertainer's delight, featuring a media room, tiered reclining seating (6), projection movie screen, perfect for movie nights or gatherings with friends. There is plenty of additional space to break out the board games or add a pool table in the recreation room with the convenience of a mini-beverage counter. Potential in-law/related living w/guest room/5th BR and full bath on the lower level (or use the main level bedroom). A second office in the LL offers built-in desk & coordinating shelving units. New items include: new tear-off architectural roof '21; gutters & Leaf Guard '21; two dual-zoned furnaces, A/C ' two Aprilaire humidifiers '24; one new gas water heater '24; an insulated, tall leaded glass front door '24, raised garden beds '24. Reverse Osmosis water purifier '24; The basement also features additional storage, mechanical room & second refrigerator (kiln "as is"). Included is a bond to the River Run Club (value $10K), clubhouse, tennis, year-round indoor pool plus outdoor pool in the neighborhood. Located in Neuqua Valley HS District 204; Don't miss this amazing opportunity!