Today 20774, Upper Marlboro MD is count around 75 homes for sale at current average listing price of $556,606. Nearby neighborhoods of 20774 are Kettering, Cameron Grove, Perrywood, Beech Tree East Village, None Available, Oak Creek Club, Kettering By The Park Ii, Beech Tree North Village, Beech Tree West Village, Beechtree. Most of 20774 homes are 4 bedrooms with 3 bathrooms.