Today 20774, Upper Marlboro MD is count around 23 homes for sale at current average listing price of $547,847. Nearby neighborhoods of 20774 are Kettering, Oak Creek, Kettering By The Park Ii, Perrywood, Village Of Oak Grove, Beech Tree East Village, Beech Tree West Village, Beechtree, Cameron Grove, Kettering Plat 54. Most of 20774 homes are 4 bedrooms with 3 bathrooms.