60+ Years of

Licensed Security Guard Company Serving San Bernardino Since 1997

We are 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:

  • Standing guard services
  • Mobile guard services (vehicle, golf cart, bike and foot patrol)
  • Wireless security equipment rentals and installation
  • Alarm response
  • Logistical security
  • Fire watch and safety
  • Event security

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.

Professional &

Security Guard Services


We specialize in developing security strategies that effectively reduce theft, vandalism, trespassing, employee pilferage, and other criminal activity in retail stores, malls, and shopping centers. »


Whether you need nightly lock-up and alarm services, parking lot patrol, or temporary fire watch services, we have the skills and expertise to provide a cost-effective security solution to meet your priorities. »


Our highly trained and licensed guards can be trusted to keep valuable machinery and equipment secure or to protect against vandalism, graffiti, trespassing, and other unwanted activity. »


Guardian National Security is thoroughly prepared to provide a wide range of transportation and logistical security duties for your trucking company, loading dock, or rail yard. »


We’re proud to provide unparalleled security guard services for homeowner associations, gated communities, apartment complexes, condominiums, and communities of all sizes.


Our Process

At Guardian National Security, we are committed to providing individually-tailored security plans to every customer at an affordable cost. In order to best serve the unique needs of our clients, we have developed an efficient multi-step process for designing, implementing, and monitoring custom security plans.

Free Consultation


We will thoroughly discuss your security needs and concerns in order to understand your property.

Proposal & Quotes


We guarantee to match or beat any competitor’s quote for the same services.

On-Site Follow Up


One of our security advisors will complete a thorough on-site walk-through at your location.

Customized Security & Patrol Plans


We will delineate patrol routes, schedules & post orders based on your specific needs.

Guards to Arrive On-Time, In Uniform & Ready to Work


You can expect your assigned guards to arrive on-time, in uniform, and ready to work.

Daily Activity Reports, Incident Reports & Parking Violation Warnings


We provide clients with daily activity reports, incident reports, and parking violation warnings.

Protecting California's Most Recognized Brands

Brookstone Logo Burger King Logo Kohl’s Logo Southern California Edison (SCE) Logo Starbucks Coffee Logo Bank Of America Logo


Guardian National Security

Trained, BSIS-Licensed Security Guards


Expertly-Trained, BSIS-Licensed Security Guards

Superior Customer Care


Exceptional Customer Service Available 24/7

Competitive Pricing


We Match or Beat Any Competitor’s Quote

Reasons Choose Guardian National Security

  • We Provide Ongoing Training to All of Our Security Guards.
  • Our Guards Are Licensed by California’s Bureau of Security and Investigative Services.
  • Our Guards Are All Carefully Screened, Background Checked & Drug Tested.
  • We Operate 24 Hours a Day, 7 Days a Week.
  • We Offer Short- and Long-Term Guard Services.
  • We Employ Electronic Time Clock Systems & Detex GPS.
  • We Perform Regular On Site Checks of All Our Guards.
  • We Personalize Security Services to Meet the Needs of Our San Bernardino Clients.
  • We Specialize in Creating Industry-Specific Security Solutions.
  • We Have a Management Team with Over 60 Years of Combined Experience.

Call today for a free quote. We provide security guard services in San Bernardino and surrounding cities. We also will match or beat any competitor’s quote!

San Bernardino’s Best Choice for Patrol Services

Foot, Bike, Golf Cart, or Vehicle Patrol

One of the most cost-effective ways to improve safety and security at a business is to have uniformed security guards routinely patrol your building or property. At Guardian National Security, one of our most frequently requested services is our San Bernardino mobile patrol service. This service features exceptionally trained guards who tour a site either on foot, by bike, on a golf cart or in a marked patrol vehicle. Our guards follow patrol routes designed by our security experts and verify their tours using a state-of-the-art time clock system. If they are notified of or come across an incident, they will be able to respond immediately and/or contact local authorities with the help of our 24-hour dispatch. Guards will maintain a daily log and compile incident reports for the client’s records. Additionally, we can install wireless motion detectors at no additional cost and pinpoint guard locations at anytime using Detex GPS. Call today to obtain a free quote for security mobile patrols in San Bernardino, Colton, and Rialto.

On-Site Standing Security Guard Services for San Bernardino Locations

Our standing security guard services are ideal for San Bernardino companies that wish to discourage loitering, theft, vandalism, and other unwanted behaviors. This service is performed by BSIS licensed guards who have the experience, training and expertise to effectively reduce crime while elevating the customer’s perceived level of safety and security. Our guards always arrive on time and ready to work. They can adopt one of four guard appearances: standard, casual, professional, or construction. Throughout their assignment, our guards will be supported by our 24-hour local dispatch service and be readily reached by the client as well as our management team.

Logistic & Supply Chain Security Guard Services for Distribution Facilities Throughout San Bernardino, CA

Logistical security services have been designed specifically for trucking companies, maritime companies, delivery firms, rail yards, and other companies that manage supply chains in San Bernardino. This service involves assigning one of our highly skilled security guards to not only help with surveillance and security matters but also truck inspections, shipment inventory management, dock designations, timekeeping, OSHA audit fulfillment, and the logging of vehicle, material and equipment movement.

24-Hour Security Alarm Response in San Bernardino

Today, there are many companies claiming that they will monitor and respond to your security alarms, but only Guardian National Security is able to provide this service with the level of responsiveness that you expect and deserve. At Guardian National Security, our alarm monitoring and responses services come packaged with vehicle patrol, meaning we will monitor your alarm system 24 hours a day and dispatch a licensed and highly trained guard to your site in San Bernardino to promptly and thoroughly investigate any triggered alarms. If we determine it to be a false alarm, we will ensure that your premises are safe and secure before departing. If we verify that your alarm requires further attention, we will immediately contact the police, fire department or other appropriate authority. Call today to tell us about your alarm monitoring and response needs in San Bernardino. We will not only provide superior services but also match or beat any competitor’s price.

Wireless Security Equipment, Video Camera & Motion Detector Rentals & Installation in San Bernardino, CA

In addition to monitoring and responding to alarms, Guardian National Security is also qualified to install them. We rent and install a variety of low voltage security systems such as motion sensors, video cameras, and security alarms. Because we are a licensed C7 contractor and an experienced security firm, we will not only properly install your surveillance equipment but also determine the best placement for your equipment. Our wireless security equipment installations and rentals come packaged with a security guard, and are offered in both short- and long-term rentals. As an added bonus, we have the ability to remotely monitor your security equipment on a 24-hour basis.

Dedicated Fire Watch Security Guards for San Bernardino Businesses and Industrial Facilities

A fire watch service is an effective safety measure used by San Bernardino businesses and industrial facilities when their fire alarm system and/or sprinklers are not working. At Guardian National Security, we have reliable fire watch guards who are trained to tour your property and watch for early signs of fire and other hazardous incidents. Our guards are given cell phones and two-way radios for instant communication with our clients, radio dispatch, and the fire department. They are also trained in keeping detailed fire watch logs, implementing evacuation procedures, and using a fire extinguisher. Call today to schedule our affordable fire watch security guard services at your San Bernardino site.

What our

Clients Have to Say

Guardian National Security is committed to providing reliable, quality protection services to a variety of industries through custom-designed security strategies, expertly trained security guards, and excellent customer service.

Guardian National Security Services gave me so much peace of mind. They were able to secure my office building efficiently and professionally.

SAL A. Via Google

confidential, No-obligation consultations

Call Us Today and Talk to One of Our Security Guard Experts

As a licensed private patrol operator, we are authorized to provide a full range of security services anywhere in San Bernardino. Additionally, we can install wireless surveillance equipment as a licensed C7 contractor. We are licensed and insured and members of CALSAGA (California Association of Licensed Security Agencies, Guards and Associates), Chamber of Commerce, and the BBB (Better Business Bureau).

Custom-Made, Personalized Security Plan

Guardian National Security San Bernardino, California 
Zip Codes: 92346, 92354, 92369, 92401, 92406, 92415, 92411, 92423
Area Codes: (909) (840) (760)