1321 Bossler Lane Tucked on a quiet cul-de-sac in O'Fallon, this truly one-of-a-kind 4-bedroom, 2.5-bath custom home blends modern design with timeless Craftsman charm. Originally designed by a local architect as his personal residence, the home offers thoughtful details and quality throughout. The updated kitchen includes a large center island, newer Cambria quartz countertops, and newer appliances. Conveniently connected to the kitchen the separate dining area shares a buffet style transition with access to the screened-in deck giving you indoor-outdoor living space and opens to a dramatic two-story great room filled with natural light. The primary bedroom suite completes the main level with bathroom featuring a shower with dual heads and walk in closet equipped with laundry hookup. Upstairs offers three additional bedrooms, one is connected via Jack & Jill style to the updated bathroom. A convenient second-floor laundry room and whole house central vacuum keep chores easy. The finished walk-out lower level is ideal for entertaining and lounging, featuring a large recreation area, walk-up wet bar, electric fireplace, and radiant heated floors. The oversized 2-car garage includes 8-foot doors, a utility sink, storage room and new smart openers with built-in cameras perfect for secure deliveries. Dual fuel heating and zoned HVAC, both regularly maintained, provide comfort year-round. The wooded backyard offers privacy with open green space, enhanced by elegant fencing, mature landscaping, and 360 landscape lighting. A wraparound lower deck with covered seating area creates the perfect outdoor retreat. Notable updates include: Roof (2019), Washer & Dryer (2019), Exterior Lighting (2020), Range, (2021), Countertops (2021), Kitchen Sink (2021), Upstairs Bath Countertop & Lighting (2021), Refrigerator (2022), Oven & Microwave (2022), Retaining Wall (2023), Smart Blinds (2024), Hardwood Floors Refinished (2024), Garage Doors (2024), and Garage Door Openers with Cameras (2024). This home has all the right features, ideal location, and O'Fallon Schools. Call your favorite agent and make your private viewing appointment today.