Town Hall Address 18 North Main Street, Au Sable Forks, NY 12912 United States- Clinton County County Clerk John H. Zurlo 518-565-4700 Monday - Friday: 8 am to 5pm 137 Margaret Street Plattsburgh, NY 12901 United States Town Clerk 518-647-5412 18 N Main St Au Sable Forks, NY 12912 United States Assessor http://townofausable.com/boards-and-committees/board-of-assessment-review/ NY United States County Clinton