

Guardian National Security is proud to offer a wide range of security guard services to businesses in San Bernardino. Our security services are fully customizable and can include any or all of the following:
Our security guard services can be used alone or as part of a more comprehensive security strategy. In either case, our security services provide the flexibility you seek to feel that your specific needs are being met.
To have a security plan designed to fit your needs in San Bernardino, call and speak with us today. We offer premium guard services at some of the best prices in Southern California.












Guardian National Security
Licensed Security Guard Services
in San Bernardino
Get your free San Bernardino security assessment today.
We dig into the details of your San Bernardino property from the start, covering your history with security issues, where your biggest risks sit, and what your budget can support before we make a single suggestion.
We guarantee to match or beat any competitor's quote for the same services anywhere in San Bernardino or across the Inland Empire region.
One of our security advisors makes the trip to your San Bernardino location, walks the full property, checks every access point, and documents any vulnerabilities before your plan is set in motion.
We lay out patrol routes, guard post assignments, and shift schedules designed specifically around your San Bernardino property, your industry demands, and the windows when your site is most at risk.
Your assigned guards arrive at your San Bernardino property on time, fully uniformed, with their post instructions ready, and prepared to start protecting your site without any delay or ramp-up period.
After each shift we send you a full breakdown of patrol activity, any incidents that occurred, and access or parking violations logged at your San Bernardino property so you stay fully informed at all times.
San Bernardino is a city that demands more from its security company than a warm body at the door. It has active industrial corridors, busy commercial strips, dense residential neighborhoods, and a freight network that runs around the clock. Guardian National Security has protected Southern California properties for nearly 30 years and we understand what real protection looks like in a city like this. Here is why San Bernardino property owners and business managers choose us.
Every guard we assign to your San Bernardino property holds a current California BSIS license and our insurance exceeds what the state mandates. From your first shift forward your property, your employees, and anyone on your site is covered without exception or fine print to worry about.
Our guards train under retired police officers who bring genuine street-level experience into every session. They learn how to read situations before they escalate, how to communicate under pressure, and how to respond correctly within the law every time. That training shows up on your San Bernardino property every single shift.
We use Detex GPS equipment to track every guard movement and patrol route at your San Bernardino property on every shift we run. You receive a verified record of exactly when and where your site was covered so there is never any ambiguity about whether the job was done right.
San Bernardino has its own mix of industrial operations, freight activity, retail corridors, and residential communities that each carry distinct security challenges. We do not recycle plans from other cities or other industries. We build your coverage around what your specific San Bernardino property actually faces on a daily and nightly basis.
We do not need a long-term contract to prove our value. Start your San Bernardino coverage on a trial basis and assess our guards, our communication, and our documentation before making any commitment. We are confident that what you see during the trial is what keeps clients with us for years.
Bring us any written quote from a competitor for the same level of licensed guard service in San Bernardino and we will match or beat it. Quality professional security in the Inland Empire should not require you to sacrifice your budget to get coverage you can actually count on every shift.
Our dispatch center operates 24 hours a day with no gaps and no voicemail during off hours. You can contact our management team at any point and your assigned San Bernardino guards are always one call away when something needs immediate attention on your property.
Since 1997 we have protected over 10,000 properties across Southern California including well-known brands like Kohl’s, Starbucks, and Bank of America. San Bernardino businesses and property owners get access to that same level of tested, professional protection on every shift we work for them.
Guardian National Security San Bernardino, California
Zip Codes: 92346, 92354, 92369, 92401, 92406, 92410, 92411, 92415, 92423, 92427