The Inland Empire’s Trusted Provider of Armed, Unarmed, and Patrol Security Solutions
Top-Rated Security Guard Services in San Bernardino County
If you’re looking for reliable, professional private security services in San Bernardino County, Code 4 Private Security is the name businesses, HOAs, schools, and property managers trust. We offer fully licensed armed and unarmed security guards, 24/7 mobile patrol, event security, and school protection services across the Inland Empire.
As one of California’s leading private security companies, our BSIS-certified officers are trained in de-escalation, emergency response, conflict resolution, and access control. Whether you’re securing a construction site, industrial facility, apartment complex, or commercial plaza—Code 4 provides tailored, on-site security solutions that work.
San Bernardino County covers a vast and diverse region, where properties face unique challenges like theft, vandalism, trespassing, and remote area threats. Code 4 Private Security responds with custom security plans, rapid deployment, and a visible, disciplined presence that deters unwanted activity and protects what matters most.
Trusted force that keep you protected
Why Choose Code 4 Private Security?
When law enforcement can’t be everywhere, Code 4 Private Security is the trusted force that steps in to keep you protected.
Our highly trained security professionals understand the level of protection and peace of mind you deserve. Backed by years of field experience and supported by cutting-edge security technology, we create a safe and secure environment for our clients—whether at home, work, or in public spaces.
Every Code 4 officer completes formal training, BSIS certification, and site-specific preparation before deployment. We don’t just fill posts—we secure environments, close security gaps, and proactively deter threats. Your safety is our mission, and we treat it with the same urgency and precision we would for our own families.
That’s the Code 4 Difference.
We Provide Security Guard and Patrol Services in the Following San Bernadino County Cities

What Are the Duties of a Security Guard?
Security guards keep people and property safe by controlling access, patrolling, monitoring, responding to emergencies, documenting incidents, and assisting law enforcement.

What It’s Like Being a Security Guard
Being a security guard means staying alert, monitoring people and property, handling issues calmly, and keeping everyone safe through vigilance and quick action.

Why We Need Security Cameras for Better Protection
Security cameras, combined with trained guards, prevent crime, provide evidence, and boost community safety through active monitoring and rapid response.
