Town Hall Address 18 Elm Street Potsdam, NY 13676 United States- St. Lawrence County Website http://potsdamny.us/ County Clerk Mary Lou Rupp 315-379-2237 Weekdays 9:00 A.M. - 5:00 P.M. 48 Court Street Canton, NY 13617 United States Town Clerk 315-265-3430 townclerk@potsdamny.us Mon-Fri: 9:00-4:00 18 Elm Street Potsdam, NY 13676 United States Tax Collector 315-265-3430 townclerk@potsdamny.us Mon-Fri: 9:00-4:00 18 Elm Street Potsdam, NY 13676 United States Assessor 315-265-2810 assessor@potsdamny.us Mon-Fri: 9:00-4:00 18 Elm Street Potsdam, NY 13676 United States Code Enforcement 315-265-0670 ceo2@potsdamny.us 18 Elm Street Potsdam, NY 13676 United States Zoning 315-265-0670 ceo@potsdamny.us 18 Elm Street Potsdam, NY 13676 United States Fire District 315-265-3311 18 Elm Street Potsdam, NY 13676 United States Water 315-265-3430 18 Elm Street Potsdam, NY 13676 United States Sewer 315-265-3430 18 Elm Street Potsdam, NY 13676 United States Town Hall Hours Mon-Fri: 9:00-4:00 County St. Lawrence