Today 21012, Arnold MD is count around 37 homes for sale at current average listing price of $739,870. Nearby neighborhoods of 21012 are Dorado Hills, Shore Acres, Hidden Ridge, None Available, Severn View, The Bluffs At Deep Creek, Ulmstead Gardens, Admirals Ridge, Arnold, Bay Hills. Most of 21012 homes are 3 bedrooms with 3 bathrooms.