Christie's International Real Estate Northern New Jersey has complete luxury home listings for Raritan Borough and nearby areas, including Raritan, Somerville and Bridgewater. We have 4 property listing(s) in Raritan Borough, and 7,518 listings in all of New Jersey. Use the filters above to narrow your search for luxury homes for sale in Raritan Borough. If you see a listing you like, click the photo to view details and connect with an agent in Raritan Borough.