John Maryon, Commander

CDR John Maryon

John Maryon


Commander John Maryon joined the San Diego County Sheriff's Department in 1993. He began his career at the George Bailey Detention Facility and later moved on to patrol at the North Coastal Station.

While at the North Coastal Station, John was a field training officer (FTO) and a drug recognition expert instructor (DRE). He later transferred to the Community Oriented Policing and Problem Solving (COPPS) unit where he focused on information/intelligence led policing to thwart crime in his area of responsibility.

John was later transferred to the Special Investigations Division (SID) where he was assigned to the Street Narcotics and Gang Detail (SNGD). While in SNGD, he worked a myriad of narcotics investigations to include undercover operations.

In 2005, he was promoted to sergeant and assigned to the North Coastal Station. John was later transferred to the Internal Affairs Unit.

In 2011, John was promoted to lieutenant and assigned to the Vista Patrol Station. He was later transferred to SID where he supervised several task force units. After serving in SID, he transferred to the Homicide Detail.

In 2015, he was promoted to captain and assigned to the North Coastal Station. In this position, John served as the chief of police for the cities of Encinitas, Solana Beach, Del Mar and Rancho Santa Fe.

In 2018, he was promoted to commander and assigned to oversee the Court Services Bureau, which is the second largest court system in California and the third largest in the nation.

Commander Maryon is now assigned to the Detention Services Bureau, Operations Area 3. His command area includes the Detention Intelligence Group, Detention Investigation Unit, Prisoner Transportation, Las Colinas Detention and Reentry Facility, San Diego Central Jail, and the Vista Detention Facility.

Commander Maryon holds a Bachelor of Science degree from California State University San Marcos. He is also a graduate of the Senior Management Institute for Police at Boston University. He lives with his wife and family in North County.