Today greencastle antrim, Greencastle PA is count around 41 homes for sale at current average listing price of $518,117. Nearby neighborhoods of greencastle antrim are None Available, Greencastle Greens, Heritage Estates, Paradise Estates, Antrim Twp, Fairways At Greencastle Greens, Antrim Meadows, Cedarbrook, Cedarview, Cedarwood Meadows. Most of greencastle antrim homes are 4 bedrooms with 3 bathrooms.