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Servicing Entire Southern California

Security Guard Services from Guardian National Security is Southern California’s best value for Private Security. We Service Los Angeles, San Fernando Valley, Orange County, Inland Empire and Ventura County with highly trained, trustworthy Security Guard Services at the most competitive rates. Our Prices Won’t Be Beat! 24/7 Available Security Guard and Patrol Services including Commercial, Industrial and Construction sites with Unarmed Guard Services. Available within an hour’s notice. Call Now for a Free Consultation.

Security Guard Services Across Southern California

Los Angeles | San Fernando Valley | Orange County | Long Beach | Ventura

On Site Security

Professionally trained, licensed, bonded and insured, our standing guards offer exceptional security services to a diverse clientele, from homeowner associations to professional office buildings.

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Patrol Services

Guardian National Security’s marked patrol vehicles offer a highly visible and effective way to deter crime; enforce rules and regulations; and foster a general sense of safety, security, and community.

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Construction Security

Our 24-hour construction guard service is specifically designed to protect and secure construction sites in order to reduce vandalism, theft, employee pilferage, graffiti, trespassing, loitering, and other unwanted activity.

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On Premises Security

Every security guard whether armed or unarmed is highly professional, well-trained, and licensed by the Bureau of Security and Investigative Services.  Our standing guards offer exceptional security services to a diverse clientele, from homeowner associations to professional office buildings. Every officer has completed instruction on post-specific services, such as visitor logs for guard shack placement, issuance of ticket warnings for parking lots, and inventory/ truck logs for construction sites. Prior to hiring, our guards were all thoroughly screened using a detailed interview process, background checks, and drug testing.

Alarm Response & Patrol Services

Guardian National Security offers comprehensive, expert alarm response services to businesses and residences throughout Greater Los Angeles. We are fully equipped and licensed to monitor and respond to alarms 24 hours a day with our team of highly trained and dependable dispatchers and security officers.


24-hour alarm response & dispatch services


Avoid fees associated with false alarms visits by police


Serving all of Greater Los Angeles


Unbeatable rates for high quality security services


Free consultation & quotes

HOA & Community Security

Guardian National Security provides custom security services to homeowner associations at the best prices in Southern California. Our private security services can include temporary or long-term gate guards, patrols, surveillance cameras, lock-up and alarm, parking control, 24-hour alarm response, and more.

Trusted by Southern California’s Most Recognizable Brands

Securing & protecting over 5 billion is assets in Los Angeles, Ventura, & Orange County

Morrie G.

““I would like to send this letter to express my gratitude and appreciation for the remarkable job by your employee. It was not the first time that we have hired guards, to secure our parking and the integrity of our property.”

Morrie G.Guardian Client
Maria D.

“Thanks for sending your security officer to this building. I was reviewing his reports and these are the type of reports that tell me when a Guard cares and knows what he is doing.”

Maria D.Guardian Client
Scott K.

“I will say I am impressed with the Guard that came in for the afternoon, he did a great job inspecting the employee bags.”

Scott K.Guardian Client
Randy L.

“We appreciate the service that Guardian National Security has provided at our site.”

Randy L.Guardian Client