EXCLUSIVE NEW TO MARKET  4-Bd. House w/ Rear Patio & Grassy Side Yard    This 4-bedroom, 3.5-bath, brick-and-aluminum-sided house was built in 1964 and is located at the corner of West 227th Street and Netherland Avenue. The home has a rear flagstone patio, a rock garden and a grassy side yard.    Features include: a center hall with large coat closet; spacious living room with east and west exposures; windowed and updated kitchen (outfitted with granite countertops, breakfast bar, double wall ovens, a warming drawer and Miele dishwasher); master bedroom suite with walk-in closet; updated master bath; finished basement with a recreation room, full bathroom and laundry room; pull-down steps to a storage attic; private driveway; attached 1-car garage; 57-by-70-ft. corner lot. .    Conveniently situated for shops, parks, Metro-North trains, and express buses to Manhattan's East and West Sides.