Today 21220, Middle River MD is count around 62 homes for sale at current average listing price of $516,332. Nearby neighborhoods of 21220 are Greenleigh At Crossroads, Bowleys Quarters, Creekside Estates, Hawthorne, Cunninghill Cove, Long Beach Estates, Carrollwood Manor, None Available, Carroll Crest, Golden Acres. Most of 21220 homes are 4 bedrooms with 3 bathrooms.