Nevin J. Mattessich

Franklin Borough Police Department
Title: Lieutenant
Phone: 973-827-7700, ext. 231
Detective Sergeant N. Mattessich


Lieutenant Nevin J. Mattessich has been employed with the Franklin Borough Police Department since January 2003. He was assigned to the Detective Bureau from March of 2012 until August of 2020.  He is currently assigned to the administrative division.  He graduated from Caldwell University and received a bachelor’s degree in criminal justice with a minor in communications. He is a graduate of the Cape May County Police Academy where he attended as an alternate route candidate. He also recently completed the State of NJ Certified Public Manager Program.

Police Academy
Lieutenant Mattessich is a per-diem instructor at the Morris County Police Academy instructing police trainees on narcotics as it pertains to title 2C of New Jersey, and provide in-service training specific to officers achieving certifications to instruct at the Police Academy level.


Return to Staff Directory