Today 21620, Chestertown MD is count around 51 homes for sale at current average listing price of $691,165. Nearby neighborhoods of 21620 are Chester River Landing, Chestertown Historic District, None Available, Chester Harbor, Historic Chestertown, Historic District Chestertown, Kingstowne Manor, Mile Tree Village, Pear Tree Point, Byford Heights. Most of 21620 homes are 3 bedrooms with 3 bathrooms.