60+ Years of

licensed guards. 24/7 dispatch. personalized plans

Expert Security Guard Services in Rialto & Colton

With our team of highly trained, thoroughly screened and fully licensed security guards, Guardian National Security can be trusted to protect and secure what you value most and provide exceptional security guard services in Rialto, CA. Over the last decade, our security guard services have been instrumental in discouraging unwanted behaviors, reducing criminal activity, improving response time for emergencies and increasing safety at a wide variety of locations, such as hospitals, schools, gated communities, malls, banks, events, retail stores and construction sites–just to name a few.

Our most popular private security services are:

  • Standing guard services
  • Mobile patrols
  • Security equipment installation
  • Alarm monitoring and response
  • Logistical support
  • Store security/loss prevention
  • Front reception security
  • Construction site security
  • Fire watch

These services are available 24 hours a day, 7 days a week for temporary, short-term and long-term assignments throughout Rialto & Colton. They are always affordably priced and customized to meet each client’s unique set of needs. Call today and receive a free, no obligation security guard services quote.

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

Highly Trained Security Guards in Rialto & Colton, CA

Guardian National Security offers exceptional security guard services to Rialto & Colton, CA. Our security guards can be dispatched on short notice, and be expected to arrive prepared and ready to perform all of the specified post order duties you require. Such duties could include:

  • securing windows and doors
  • welcoming guests
  • setting alarms
  • controlling front gate/door access
  • keeping detailed record logs
  • watching equipment/materials/valuables
  • monitoring video cameras
  • checking and issuing badges
  • accepting shipments
  • enforcing parking restrictions
  • patrolling grounds by foot, bike, golf cart, or car
For instance, a hospital or community center might position our guards in their lobby or at the front reception desk to watch for suspicious activity as well as maintain visitor log books. An event producer could hire our guards to check tickets, control access, conduct bag checks, assist with crowd control and be prepared to facilitate evacuation procedures in the event of an emergency. And, a manufacturing plant, construction site or warehouse might have one of our guards keep detailed activity and truck logs, perform frequent patrols and monitor security cameras, motion detectors and alarms. Call today to learn more about the security guard services we offer in Rialto & Colton.

Standing Security Guards for Rialto & Colton, California

Guardian National Security’s standing security guard services are perfect for improving safety and security of office buildings, gated communities, shopping centers, construction sites, industrial facilities, and more. Because our security guards have all completed rigorous guard skills training, they know how to deter criminal activity, de-escalate conflicts, observe and report incidents, enforce community rules and policies and more. Our guards have received their guard cards from the Bureau of Security and Investigative Services (BSIS), and are supervised by our experienced management team through a GPS enabled app system and periodic onsite visits. Guards typically arrive with a cell phone and two-way radio, and wear either our standard, casual, professional or construction site uniform. They can also be equipped with tasers or batons. To schedule a consultation for security guards at your Rialto or Colton location, contact us today.

Guardian National Security is licensed, bonded and insured. We are members of CALSAGA and the Better Business Bureau.

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

Guardian National Security Rialto & Colton, California
Zip Codes: 92316, 92376, 92377, 92313, 92316, 92324, 92354, 92408
Area Code: (909)