Today Fairfax, Herndon VA is count around 517 single-family homes for sale at current average listing price of $2,445,238. Nearby neighborhoods of Fairfax are None Available, Reston, Fox Mill Estates, Fox Mill Woods, Beau Ridge, Bennington Woods, Copper Crossing South, Crippens Corner, Fairhunt Estates, Falls Manor. Most of Fairfax single-family homes are 5 bedrooms with 5 bathrooms.