Today 21220, Middle River MD is count around 73 homes for sale at current average listing price of $492,525. Nearby neighborhoods of 21220 are Greenleigh At Crossroads, Bowleys Quarters, Creekside Estates, Hawthorne, Carrollwood Manor, Long Beach Estates, None Available, Cunninghill Cove, Harewood Park, Miramar Landing. Most of 21220 homes are 4 bedrooms with 3 bathrooms.