Walther's Hill House Pizza 20 Slices Pepperoni Pizza $18.00 Tax included with coupon. Expires 3-31-21 Must present coupon to receive discount. 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 3-31-21 Must present coupon to receive discount. Current Hours 4pm-8pm 724-225-8858 Corner of Park & W. Maiden Streets, Washington, PA