Today 21620, Chestertown MD is count around 39 homes for sale at current average listing price of $678,633. Nearby neighborhoods of 21620 are Chester River Landing, Chester Harbor, Chestertown Historic District, Blakefield, None Available, Pear Tree Point, Chesmar, Chestertown, Heather Heights, Hill Top. Most of 21620 homes are 3 bedrooms with 3 bathrooms.