Today 20171, Herndon VA is count around 24 homes for sale at current average listing price of $686,837. Nearby neighborhoods of 20171 are Bryson At Woodland Park, Discovery Square, Chantilly Highlands, Woodland Park, Coppermine Crossing, Foster's Glen, Fox Mill Estates, Fox Mill Station, Franklin Farm, Herndon. Most of 20171 homes are 3 bedrooms with 3 bathrooms.