Today 20774, Upper Marlboro MD is count around 84 homes for sale at current average listing price of $584,415. Nearby neighborhoods of 20774 are Kettering, Cameron Grove, Oak Creek Club, Beech Tree East Village, None Available, Beech Tree North Village, Beechtree, Kettering By The Park Ii, Manor Knolls, Perrywood. Most of 20774 homes are 3 bedrooms with 3 bathrooms.