Today 20171, Herndon VA is count around 28 homes for sale at current average listing price of $784,523. Nearby neighborhoods of 20171 are Bryson At Woodland Park, Foster's Glen, Coppermine Crossing, Chantilly Highlands, Discovery Square, Dulles Technology, Emerald Chase, Floris Downs, Folkstone, Fox Mill Estates. Most of 20171 homes are 3 bedrooms with 3 bathrooms.