Today 20855, Rockville MD is count around 18 homes for sale at current average listing price of $661,183. Nearby neighborhoods of 20855 are Westside At Shady Grove, Westside At Shady Grove Metro, None Available, Cashell Estates, Garrett Mews, Mallard Cove Condominiums, Olney Outside, Parkside Estates, Rockville. Most of 20855 homes are 3 bedrooms with 3 bathrooms.