Town Hall Address 169 Old Turnpike Road Califon, NJ 07830 United States- Hunterdon County Website http://www.tewksbury.net County Clerk 908-439-0022 Ext. 727 169 Old Turnpike Road Califon, NJ 07830 United States County Admin 908-439-0022 Ext. 727 Califon, NJ 07830 United States Assessor 908-439-0022 Ext. 723 Monday & Wednesday Only 169 Old Turnpike Road Califon, NJ 07830 United States Tax Collector 908-439-0022 Ext. 724 Monday - Friday: 8:30 A.M. - 4:00 P.M. 169 Old Turnpike Road Califon, NJ 07830 United States Attorney 732-873-0500 169 Old Turnpike Road Califon, NJ 07830 United States Mayor 908-439-0022 169 Old Turnpike Road Califon, NJ 07830 United States Municipal Court 908-832-7684 60 Water St. Lebanon, NJ 08833 United States County Hunterdon