60+ Years of

protecting sunland-tujunga & Sun valley since 1997

Trust SoCal's Experts in Private Security Guard Services

Our security guard company is licensed and insured. We’re also a member of the California Association of Licensed Security Agencies Guards and Associates (CALSAGA). We keep all customer information confidential and pride ourselves on offering exceptional customer service. As such, we provide the same level of dedication to every client, whether we are providing them with one-time event security or ongoing front lobby security. Our private security guards are fully licensed; meet all BSIS (Bureau of Security and Investigative Services) requirements; are fully trained in observation and reporting, patrol, terrorism awareness, powers to arrest, public relations, emergency response, CPR/first aid, baton, pepper spray and more. They are also required to pass rigorous background screenings; maintain a professional appearance; and consistently meet the high expectations of our management team and clients.

Call Guardian National Security today and we’ll give you a complimentary, on-site private security consultation at your location in Sunland-Tujunga, Sun Valley and nearby locations.

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

Affordable & Reliable Private Security Patrol Services for Sunland-Tujunga & Crescenta Valley, CA

If you need to increase security on your Sunland-Tujunga property, call Guardian National Security. We’ll have one of our experts provide you with a security assessment of your Sunland-Tujunga location and help you identify your vulnerabilities, threats and priorities. Based upon your needs, we will customize a security plan that can include a standing guard, mobile patrol services, alarm services, wireless security equipment installation, 24/7 alarm response, fire watch services, traffic and parking enforcement, surveillance and more. Call today for a free quote.

Sun Valley's Trusted Private Security Contractor

Choose Guardian National Security for all your private security contractor needs in the Sun Valley area. We offer competitive prices, customized security plans, and highly trained, professional security guards who are available 24/7 to discourage loitering, trespassing, vandalism, theft and other criminal activity at your Sun Valley residential or commercial location. Our security services are especially important for those in the Sun Valley area as it experiences a moderately high crime rate (compared to other cities in Los Angeles County, according to Los Angeles Times’ Mapping L.A.). So whether you own a business, manage an apartment complex, or oversee an industrial facility or scrap yard in Sun Valley, give us a call and we’ll show you why we are considered Los Angeles County’s preferred private security contractor.

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

we meet or beat any competitor's quote

Book Your Free On-Site Security Assessment

At Guardian National Security, we have the expertise necessary to meet the security needs of businesses in Sunland-Tujunga, Sun Valley, and throughout Los Angeles. We’re licensed, bonded, insured and offer reliable security guard services 24 hours a day. Security contract terms are highly customizable and available for one-time, short-term, long-term, and open-ended contracts. Best of all, our high-quality private security services are competitively priced. In fact, if you bring us an itemized quote from a competitor, we will match or beat it. Call today to learn more.

Custom-Made, Personalized Security Plan

Guardian National Security | Sun Valley, Sunland, Tujunga, California
Zip Codes: 91040, 91041, 91042, 91352
Area code: (310, 323, 626, 661, 747, 818)