Today 21012, Arnold MD is count around 49 homes for sale at current average listing price of $737,071. Nearby neighborhoods of 21012 are Shore Acres, Deep Creek Commons, Hawthornes Grant At Bro, Pines On The Severn, Ulmstead Gardens, Belvedere Beach/harmony, College Manor, Foxmoor, None Available, Stonington. Most of 21012 homes are 4 bedrooms with 3 bathrooms.