Welcome to 121 Waterview Drive a spectacular custom built home situated on a premium 1.4 acres in the community of "Chalfant St. Giles" overlooking beautiful Marsh Creek State Park. Over 4,400 square feet of fabulous living space on the first two levels plus 1,900 square feet of additional living space in the professionally finished Lower Level. Featuring 4 Bedrooms, 4 full Baths and 1 half Bath, this beautifully appointed home offers numerous amenities and updates including a full house Generator, new professional landscaping and expansive hardscaping (2020), new carpeting (2023), fresh paint (2024), new bathroom vanities (2024) and much more! 1st Floor features an inviting 2-story hardwood Entry Foyer with a butterfly staircase; spacious and bright private Study w/double French doors; Living Room with gas Fireplace and doors leading to the covered Deck; formal Dining Room with chair rail, crown molding and bay window; large Eat-in Kitchen & Breakfast Room with granite countertops, center island, commercial grade Jenn-Air cooktop, Butler's Pantry Area, back staircase to the Upper Level and sliders to the open rear Deck and Bluestone Patio; vaulted Family Room features fabulous bright windows & floor-to-ceiling woodburning stone Fireplace; Powder Room and convenient Laundry/Mud Room with exit to 3 car garage complete the Main Level. 2nd Floor offers a luxury Primary Bedroom Suite with separate Sitting Room, large walk-in closet & Primary Bath featuring soaking tub, double sinks, stall shower & dressing area; 3 additional Bedrooms including one Bedroom with a private ensuite Bath & new vanity and two Bedrooms sharing a connecting Bathroom with tub/shower combo & new vanity. The finished Lower Level features luxury vinyl plank flooring, a spacious Exercise Room or 2nd Home Office, Game Room Area, Media Room/Home Theatre, full Bath & plenty of storage. The Outdoor Living Area features a magnificent yard with two separate deck areas, including one covered Deck, plus an expansive Bluestone Patio. Only steps away from gorgeous Marsh Creek State Park offering boating, fishing, hiking and beautiful sunsets. Don't miss this rare opportunity to own a fabulous home in the award-winning Downingtown School District offering the coveted STEM academy. Conveniently located to the PA Turnpike, major commuting routes, shopping, restaurants, schools and parks.