Today 20171, Herndon VA is count around 58 homes for sale at current average listing price of $856,526. Nearby neighborhoods of 20171 are Arpina Valley, None Available, Bryson At Woodland Park, Metropark At Arrowbrook, Woodland Park, Dulles Technology, Franklin Farm, Mcnair Farms West, Monterey Estates, Sycamore Ridge. Most of 20171 homes are 3 bedrooms with 3 bathrooms.