Today 20774, Upper Marlboro MD is count around 75 homes for sale at current average listing price of $605,254. Nearby neighborhoods of 20774 are Kettering, Cameron Grove, Oak Creek Club, None Available, Beech Tree East Village, Perrywood, Beech Tree North Village, Beechtree, Kettering By The Park Ii, Kettering Overlook Condo. Most of 20774 homes are 4 bedrooms with 3 bathrooms.