Today 20171, Herndon VA is count around 24 homes for sale at current average listing price of $800,626. Nearby neighborhoods of 20171 are Dulles Technology, None Available, Coppermine Crossing, Liberty Park, Metropark At Arrowbrook, Bryson At Woodland Park, Foster's Glen, Franklin Farm, Manors At Mcnair Farms, Oakmill. Most of 20171 homes are 3 bedrooms with 3 bathrooms.