The Christie's International Real Estate network has complete luxury home listings for Allendale and nearby areas, including Ramsey, Saddle River and Upper Saddle River. We have 5 property listing(s) in Allendale, and 7,907 listings in all of New Jersey. Use the filters above to narrow your search for luxury homes for sale in Allendale. If you see a listing you like, click the photo to view details.