Saint Helena Police Department

Saint Helena Police Department is the municipal law-enforcement agency for the City of St. Helena in Napa County, California, based at 1088 College Avenue St. The department serves residents, businesses, and visitors within St. Helena limits in Napa County. Its area of responsibility covers patrol and response to calls for service, traffic enforcement, criminal investigations inside the city, and community policing programs that support local neighborhoods and commercial corridors. St. Helena sits along California travel and commerce routes that bring daily traffic through the area, and the police department is the primary local law-enforcement presence for day-to-day public safety inside the city. Public safety emergencies in St. Helena should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), St. Helena city, CA has an estimated population of 5,378.