Today 21220, Middle River MD is count around 48 homes for sale at current average listing price of $518,415. Nearby neighborhoods of 21220 are Greenleigh At Crossroads, Bowleys Quarters, Creekside Estates, Cunninghill Cove, Harewood Park, Hawthorne, Long Beach Estates, Middle River, Carroll Crest, Carrollwood Manor. Most of 21220 homes are 4 bedrooms with 3 bathrooms.