Today 21220, Middle River MD is count around 64 homes for sale at current average listing price of $501,062. Nearby neighborhoods of 21220 are Greenleigh At Crossroads, Creekside Estates, Bowleys Quarters, Long Beach Estates, Carrollwood Manor, Middle River, Cunninghill Cove, None Available, Harewood Park, Twin River Beach. Most of 21220 homes are 4 bedrooms with 3 bathrooms.