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New York StateUnified Court System

Jefferson County Family Court

Address & Phone

Jefferson County Court Complex
163 Arsenal Street
Watertown, NY 13601

Phone: 315-785-3001
Fax: 315-266-4776


Office Hours:
8:30 a.m. to 4:30 p.m. Monday - Friday
Court Terms & Holidays


From Interstate 81, take Exit 45 (Arsenal Street) East toward “Public Square”. At the 7th traffic light the Jefferson County Court Complex will be on your right.

Chief Clerk II
Valerie Boyle
Deputy Chief Clerk II
Melissa A. Monroe


Family Court Judge
Hon. Eugene J. Langone
Phone: 315-785-3376
Fax: 315-266-4798

Support Magistrate
Erica L. Cohen
Phone: 315-785-3001
Fax: 315-266-4798