Today 21012, Arnold MD is count around 28 homes for sale at current average listing price of $973,320. Nearby neighborhoods of 21012 are Ford's Grant, Bay Hills, Mago Vista, Ulmstead Estates, Belvedere Beach, Brightleaf, Cresston Park, Dorado Hills, Foxmoor, Hidden Ridge. Most of 21012 homes are 4 bedrooms with 3 bathrooms.