Christie's International Real Estate Northern New Jersey has complete luxury home listings for Allentown and nearby areas, including Robbinsville, East Windsor and West Windsor Twp. We have 1 property listing(s) in Allentown, and 6,489 listings in all of New Jersey. Use the filters above to narrow your search for luxury homes for sale in Allentown. If you see a listing you like, click the photo to view details and connect with an agent in Allentown.