Town Hall Address 12105 Town Barn Road Henderson, NY 13650 United States- Jefferson County County Clerk Gizelle J. Meeks 315-785-3312 Weekdays 9:00 A.M. - 5:00 P.M. 175 Arsenal Street, 1st Floor Watertown, NY 13601 United States Town Clerk 315-938-5542 Clerk@townofhendersonny.org Monday - Thursday: 7:30am - 4:00pm 12105 Town Barn Road Henderson, NY 13650 United States Tax Collector 315-938-5542 Clerk@townofhendersonny.org Monday - Thursday: 7:30am - 4:00pm 12105 Town Barn Road Henderson, NY 13650 United States Assessor 315-938-5542 https://www.townofhendersonny.org/assessor.html Assessor@townofhendersonny.org 12105 Town Barn Road Henderson, NY 13650 United States Code Enforcement 315-938-5542 23 Enforcementofficer@townofhendersonny.org 12105 Town Barn Road Henderson, NY 13650 United States Zoning 315-938-5542 21 12105 Town Barn Road Henderson, NY 13650 United States County Jefferson