Today 20855, Rockville MD is count around 16 homes for sale at current average listing price of $691,713. Nearby neighborhoods of 20855 are Westside At Shady Grove, Westside At Shady Grove Metro, Cashell Estates, None Available, Garrett Mews, Olney Outside, Parkside Estates, Rockville. Most of 20855 homes are 3 bedrooms with 3 bathrooms.