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 8 property listing(s) in Westtown, and 2,787 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.