Today 20855, Rockville MD is count around 21 homes for sale at current average listing price of $735,923. Nearby neighborhoods of 20855 are Westside At Shady Grove, Westside At Shady Grove Metro, Mill Creek South, Cashell Estates, Derwood, Garrett Mews, Mill Creek Towne, Pt Rockville Out Res. 3, Winters Run. Most of 20855 homes are 4 bedrooms with 3 bathrooms.