Private Security Services in Santa Clara County

Protecting Silicon Valley’s Communities & Businesses

Code 4 Private Security is proud to offer top-tier armed and unarmed security guard services, mobile patrol, event coverage, and school protection throughout Santa Clara County. Our BSIS-certified officers are rigorously trained in access control, de-escalation, emergency response, and customer-focused security—ideal for the diverse environments of the Bay Area’s tech and residential hubs.

Whether you’re safeguarding corporate campuses, residential neighborhoods, schools, or community events, Code 4 delivers customized security plans that balance visibility and discretion. As a veteran-led, professional firm, we provide 24/7 mobile response, real-time incident reporting, and tailored service that protects both people and property across Silicon Valley.

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 Santa Clara County Cities

✅ Campbell
✅ Cupertino
✅ Gilroy
✅ Los Altos
✅ Los Altos Hills

✅ Los Gatos
✅ Milpitas
✅ Monte Sereno
✅ Morgan Hill
✅ Mountain View

✅ Palo Alto
✅ San Jose
✅ Santa Clara
✅ Saratoga
✅ Sunnyvale