60+ Years of

licensed. experienced. trUsted.

Providing Reliable & Affordable Security Services Since 1997

Guardian National Security is available around the clock (24 hours a day, 365 days a week) to provide guard services and patrols to schools, gated neighborhoods, homes, high-rise corporate office buildings, manufacturing facilities, warehouses, stores, malls, parking lots and nearly any other location in Valencia, Newhall or Stevenson Ranch. With our guard services and patrols, you can reduce tagging, vandalism, petty theft, shoplifting, auto theft, larceny, assaults, burglaries, robberies and other criminal activity. Additionally, you can discourage a wide range of unwanted behaviors (such as loitering, parking in marked/reserved spot, using shared facilities without authorization, etc.) as well as improve the general sense of safety and community.

Serving All of Los Angeles County, CA

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

Comprehensive Private Security for Valencia, Stevenson Ranch, Newhall, and Surrounding Areas

While on duty, our guards can be responsible for standing watch in a single location, patrolling a designated area (on foot, by bike or in a vehicle), securing windows, doors, and other access points, locking up buildings and setting the alarm, investigating alarms, responding to incidents and emergencies, monitoring surveillance cameras, documenting daily activities, issuing parking citations, checking badges, designating loading docks, tracking deliveries, enforcing rules, communicating with the public and more. Post orders are determined when you work with one of our security experts to develop a personalized security plan for your location in Valencia, Stevenson Ranch, Newhall, or other nearby areas. Additionally, as part of your plan, you’ll be able to define the preferred appearance (standard guard, professional, casual or construction), work schedule and patrol route/location of your guard(s).

Our guards are all licensed by the Bureau of Security and Investigative Services and extensively trained in everything from powers to arrest to crowd control to public relations. They are supported by our exceptional team of dispatchers who are highly skilled at communicating and available 24/7.

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

Contact Guardian National Security today

Book a Free On-Site Security Assessment

Call today for a free quote. While our guard and patrol services are of the highest quality, we keep our prices as low as possible. In fact, we’ll even match or beat a competitor’s price if you’re able to find the same services for less elsewhere. Additionally, we can rent and install any security and surveillance equipment you may need.

Custom-Made, Personalized Security Plan

Guardian National Security Valencia, Newhall, Stevenson Ranch – 91321, 91322, 91354, 91355, 91381, 91385, California (CA)
Area code (661, 818)