Today garnet valley, Glen Mills PA is count around 29 homes for sale at current average listing price of $906,939. Nearby neighborhoods of garnet valley are None Available, Garnet Pointe, Darlington Woods, Creekside, Fox Valley, Foxfield, Northbrook, Penns Grant, Riviera At Concord, Sarum Farm. Most of garnet valley homes are 4 bedrooms with 3 bathrooms.