Classic French architecture offers a timeless elegance unsurpassed like no other, within this magnificent custom built Colonial. Perfectly nestled on nearly 2 acres of private, park like property, on bucolic So Mountain Rd. This residence offers only the finest in craftsmanship from the coffered ceilings, custom cabinetry, architectural moldings, on to the dramatic two story marble entry w/ sweeping staircase. The main floor features fml living room, stately library/office, fml dining room & butler pantry, state of the art kitchen w/ chef quality appliances & eat-in breakfast nook, family room & 2 half baths. The 2nd fl offers MB suite, 3 lg bdrms all with en-suite baths & laundry room. Lower level has Au Pair/guest suite & kitchenette. French doors on main level lead out to patio offering grand entertainment area, w/ built in bar, waterfall, Koi pond, tennis court, salt water pool & quaint detached 1 bdrm guest cottage! 4 car heated garage. Clarkstown Schools. 28 miles to GW Bridge!