Today 21144, Severn MD is count around 18 homes for sale at current average listing price of $526,517. Nearby neighborhoods of 21144 are Quail Run, Elmhurst, None Available, Ashbrook, Carriage Pines/lake Vill, Merriweather, Regulars, Severn, Severn Woods, Severnside. Most of 21144 homes are 4 bedrooms with 3 bathrooms.