Today 21620, Chestertown MD is count around 53 homes for sale at current average listing price of $623,149. Nearby neighborhoods of 21620 are Chester River Landing, Chester Harbor, Chestertown Historic District, None Available, Historic District Chestertown, Oak Hollow, Pear Tree Point, Sarah Skipper Lands, Chesmar, Chester Arms. Most of 21620 homes are 3 bedrooms with 2 bathrooms.