Christie's International Real Estate Northern New Jersey has complete luxury home listings for Blairstown and nearby areas, including Frelinghuysen Township, Hardwick and Knowlton. We have 6 property listing(s) in Blairstown, and 6,635 listings in all of New Jersey. Use the filters above to narrow your search for luxury homes for sale in Blairstown. If you see a listing you like, click the photo to view details and connect with an agent in Blairstown.