Today 20634, Great Mills MD is count around 13 homes for sale at current average listing price of $360,815. Nearby neighborhoods of 20634 are Greenview West Pud, Hickory Hills, None Available, Bay Berry, Chancellors Village, Friendly Pines, Greenview West, Victorias Grant, Westmeath, Westmeath Condos. Most of 20634 homes are 3 bedrooms with 2 bathrooms.