Career Biography

Thanks for taking the time to learn more about our Snohomish County Sheriff, Ty Trenary.

Ty is a veteran law enforcement leader who understands the importance of public safety and fiscal accountability. Ty is a collaborative leader who has over 30 years of law enforcement experience. Ty has promoted up through the ranks, however he spent his first 10 years in Snohomish County working on the line and helping solve community problems.

Ty was one of the first Community Police deputies assigned to the North Precinct in the early 1990’s and he has gone on to create a vision of “Community First” for the Snohomish County Sheriff’s Office.

Ty has served as a sergeant, lieutenant, and captain during his tenure with the agency. He served as the contract police chief in Stanwood from 2008 to 2012. It was under Ty’s leadership that the Snohomish County Sheriff’s Office responded to the SR530 landslide, which was the deadliest mudslide in U.S. history. He was responsible for overseeing the rescue of 16 individuals and worked to bring in emergency resources from all over the United States.

Ty was sworn in as Sheriff of Snohomish County on July 8, 2013 and elected in 2014 to fill the former Sheriffs’ remaining term. Ty was elected to his first four-year term in November of 2015. Ty created the Office of Neighborhoods which partnered social workers and deputies to address the homeless and opioid crisis in Snohomish County. Since that time, Ty has worked closely with local leaders to open the County’s Diversion Center and Carnegie Building which helps individuals find treatment and get healthy. In 2017, Ty received the Snohomish County Human Rights Award for his dedication to protecting human rights and the dignity of Snohomish County residents.

Ty and his team created new programs for officer safety by focusing on basic principles. These programs have reduced police car collisions and saved lives. The Snohomish County Sheriff’s Office has been recognized Nationally for their commitment to police officer safety and wellness.

Ty has a bachelor’s degree in criminal justice, and he is a 2011 graduate of Northwestern University’s School of Police Staff and Command. Ty serves on the boards for Northwest HIDTA, Snohomish County 911, Dawson’s Place, Snohomish County Regional Narcotics and Gang Unit, the Snohomish Multi-Agency Response Team and the recently formed Radio Advisory Board.

Ty and his family live in the Stanwood area.