Town Hall Address 22 First St. Raritan, NJ 08869 United States- Somerset County Website https://www.raritanboro.org/ County Clerk 908-231-1300 Ext. 13 22 First St. Raritan, NJ 08869 United States County Admin 908-231-1300 Ext. 15 22 First St. Raritan, NJ 08869 United States Assessor 908-231-1300 Ext. 19 22 First St. Raritan, NJ 08869 United States Tax Collector 908-231-1300 Ext. 16 22 First St. Raritan, NJ 08869 United States Attorney 908-757-7800 22 First St. Raritan, NJ 08869 United States Mayor 908-231-1300 Ext. 17 22 First St. Raritan, NJ 08869 United States Municipal Court 908-231-1303 22 First St. Raritan, NJ 08869 United States County Somerset