Christie's International Real Estate Westchester and Hudson Valley has complete luxury home listings for Westtown and nearby areas, including Unionville, Pine Island and Slate Hill. We have 13 property listing(s) in Westtown, and 3,487 listings in all of New York. Use the filters above to narrow your search for luxury homes for sale in Westtown. If you see a listing you like, click the photo to view details and connect with an agent in Westtown.