Walther's Hill House Pizza 20 Slices Pepperoni Pizza $18.00 Tax included with coupon. Expires 12-31-20 Current Hours 4pm-8pm- 724-225-8858 Corner of Park & W. Maiden Streets Washington, PA Walther's Hill House Pizza 20 Slices Pepperoni Pizza $18.00 Tax included with coupon. Expires 12-31-20 Current Hours 4pm-8pm- 724-225-8858 Corner of Park & W. Maiden Streets Washington, PA