Welcome to the official website of Jefferson County New York

Office Hours & Directions

Office Hours  

  • 8:00am-5:00pm
  • 8:30am-4:00pm July and August

Jefferson County Purchasing Department 
Historic Courthouse, 195 Arsenal Street
Watertown NY  13601
Telephone:  (315) 785-3077
Fax: (315) 785-7591

Email: purchasing@co.jefferson.ny.us

Central Printing and Mail 
County Office Building, 175 Arsenal Street
Watertown, NY  13601
Telephone: (315) 785-3025
Fax: (315)786-4763


The Purchasing and Central Printing Departments are both located on Arsenal Street, Watertown, NY.

From Interstate 81, take Exit 45 (Arsenal Street) East toward “Public Square”.  At the 7  th  traffic light the County Office Building will be on your right, at the corner of Sherman Street and Arsenal Street.