Today 20170, Herndon VA is count around 21 homes for sale at current average listing price of $575,088. Nearby neighborhoods of 20170 are Park Place, Reston Herndon Center, Chandon, Jefferson Mews, Lifestyle, Mosby Heights, None Available, Potomac Fairways, Reflection Lake, Rock Hill. Most of 20170 homes are 3 bedrooms with 3 bathrooms.