Today 20774, Upper Marlboro MD is count around 76 homes for sale at current average listing price of $581,892. Nearby neighborhoods of 20774 are Kettering, Cameron Grove, None Available, Perrywood, Beech Tree East Village, Oak Creek Club, Watkins Place, Beech Tree North Village, Beechtree, Kettering By The Park Ii. Most of 20774 homes are 4 bedrooms with 3 bathrooms.