Today greencastle antrim, Greencastle PA is count around 32 homes for sale at current average listing price of $411,531. Nearby neighborhoods of greencastle antrim are Greencastle Greens, Heritage Estates, None Available, Paradise Estates, Cedarwood Meadows, Fairways At Greencastle Greens, Rolling Hills, Antrim Crossing, Antrim Twp, Cedarbrook. Most of greencastle antrim homes are 4 bedrooms with 3 bathrooms.