Single Family Home for sale by owner in Andover, NJ 07821. Located in Hopatcong Borough. (Andover Mailing Addres). Custom Ranch 3 BR, 1.5 Baths. Built around a rock, sits up off the road. Close to Beach. Secluded. Across the street from the lake. Tranquil setting. Open floor-plan. 2 BR on main floor, 1 bedroom and family room downstairs - could be converted into mother-daughter. Breakfast Nook . Dining Room leads into Living Room. Very large lot that backs up to woods. Cement patio in front and ... See site for full property details.