Today 20855, Rockville MD is count around 13 homes for sale at current average listing price of $765,877. Nearby neighborhoods of 20855 are Westside At Shady Grove, Westside At Shady Grove Metro, Avery Village, Derwood, Derwood Station, Garrett Mews, Mill Creek South, None Available, Preserve At Rock Creek. Most of 20855 homes are 3 bedrooms with 3 bathrooms.