Today 21769, Middletown MD is count around 16 homes for sale at current average listing price of $947,288. Nearby neighborhoods of 21769 are None Available, Middletown, Middletown Glen, Brookridge South, Fountaindale North, Foxfield At Middletown, Middletown Valley, Springbrook, Valley View Estates. Most of 21769 homes are 4 bedrooms with 3 bathrooms.