Today 21012, Arnold MD is count around 20 homes for sale at current average listing price of $1,262,560. Nearby neighborhoods of 21012 are Belvedere Beach/harmony, Indian Hills, None Available, Arnold, Canterbury Village, Foxmoor, Hidden Ridge, Mago Vista, Magothy Manor, Pines On The Severn. Most of 21012 homes are 4 bedrooms with 3 bathrooms.