Town Hall Address 140 N. Broadway South Amboy, NJ 08879-1647 United States- Middlesex County Website http://www.southamboynj.gov County Clerk 732-525-5920 140 N. Broadway South Amboy, NJ 08879-1647 United States County Admin 732-525-5932 South Amboy, NJ 08879-1647 United States Assessor 732-525-5969 Monday: 5:00 P.M. - 7:00 P.M. 140 N. Broadway South Amboy, NJ 08879-1647 United States Tax Collector 732-525-5924 140 N. Broadway South Amboy, NJ 08879-1647 United States Attorney 908-782-2600 140 N. Broadway South Amboy, NJ 08879-1647 United States Mayor 732-727-4600 140 N. Broadway South Amboy, NJ 08879-1647 United States Municipal Court 732-525-5929 140 N. Broadway South Amboy, NJ 08879-1647 United States County Middlesex