Today sun valley, Aston PA is count around 13 homes for sale at current average listing price of $410,600. Nearby neighborhoods of sun valley are None Available, Aston Arms, Ballinahinch, Bridgewater, Brookhaven, Cambridge Ests, Cambridge Sq, Carriage Lane, Hilltop, Hilltop Summit. Most of sun valley homes are 3 bedrooms with 2 bathrooms.