Bright 4-Bd. Center-Hall Brick House with Grassy Front & Side Yards in Fieldston    This 4-bedroom, 2.5-bath, brick house sits on a corner lot with grassy front and side yards.  A bright home, it enjoys a main-floor guest room that doubles as a workspace.    Standout features include: a center hall with curved staircase; living room; open-plan dining room and kitchen (outfitted with polished granite countertops and stainless-steel appliances); primary suite with two closets (one of them a walk-in); renovated primary bathroom; finished basement with family/recreation room, office and laundry/furnace room; pull-down stairs to storage attic; attached 1-car garage; 100-by-62-ft. lot.    Conveniently located for shops, well-known private schools (Horace Mann, Fieldston and Riverdale Country School), the vast greenery of Van Cortlandt Park and transportation to Manhattan (including express buses and the No. 1 subway train).