City Police Departments

• Cloverdale Police Department
• Cotati Police Department
• Healdsburg Police Department
• Petaluma Police Department
• Rohnert Park Department of Public Safety
• Santa Rosa Police Department
• Sebastopol Police Department
• Sonoma Police Department
• Windsor Police Department

College and University Police Departments

• Sonoma State University Police Department
• Sonoma County Junior College District Police Department

State of California Law Enforcement Agencies with a presence in Sonoma County

• California Highway Patrol
• California Department of Corrections
• California State Parks Department
• California Youth Authority
• Department of Alcoholic Beverage Control
• Department of Fish and Game
• Department of Motor Vehicles
• National Guard

Federal Law Enforcement Agencies with a presence in Sonoma County

• Federal Bureau of Investigation
• Drug Enforcement Administration
• United States Marshals Service

Sonoma County Criminal Justice Agencies

• Superior Court of California, County of Sonoma
• Sonoma County District Attorney's Office
• Sonoma County Probation Department
• Sonoma County Public Defender's Office