Today 21144, Severn MD is count around 29 homes for sale at current average listing price of $572,703. Nearby neighborhoods of 21144 are None Available, Elmhurst, Severn Hollow, Stillmeadows Condo, Arundel Forest - The Carriages, Ashbrook, Carriage Pines, Clark Heights, Coldwater Reserve, Cottonwood. Most of 21144 homes are 4 bedrooms with 3 bathrooms.