Guardian National Security provides professional security guard services throughout Tarzana at rates that won’t break your budget. Whether you need standing guards for your property, mobile patrol units, or a customized security plan, we’ve got you covered. We work with businesses, residential communities, retail centers, medical facilities, construction sites, and commercial properties across the Tarzana area to keep people and assets protected.
Our trained security team creates a visible deterrent against theft, vandalism, and unauthorized access while giving your employees, customers, and residents greater peace of mind. Every guard we deploy goes through rigorous background screening and ongoing training to meet industry standards and your specific security needs.

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About Us
Highly Trained, Thoroughly Vetted Security Guards Serving Tarzana, CA
In order to join Guardian National Security’s security guard team, interested applicants need to complete a series of interviews with our management team; pass a drug test (as well as all future random drug tests); clear an exhaustive background check; provide personal references; and complete all required training. Training is provided by retired police officers who reinforce the important role that our guards provide in safeguarding people and property throughout Tarzana. This training includes, but is not limited to:
- Power to arrest
- Observe and report
- Terrorism and WMD awareness
- Communications
- Public relations
- Post order duties
- Patrols
- Batons
- Pepper Spray
- CPR and first aid
Serving All of Los Angeles County, CA
- Acton, CA
- Agoura Hills, CA
- Alhambra, CA
- Altadena, CA
- Antelope Valley, CA
- Arcadia, CA
- Panorama City, CA
- Norwalk, CA
- Los Angeles, CA
- Westwood, CA
- South Gate, CA
- Bellflower, CA
- Beverly Hills, CA
- Boyle Heights, CA
- Brentwood, CA
- Burbank, CA
- Calabasas, CA
- Canoga Park, CA
- Carson, CA
- Castaic, CA
- Norwalk, CA
- Reseda, CA
- Commerce, CA
- Compton, CA
- South Gate, CA
- Santa Monica, CA
- Lake Los Angeles, CA
- Pomona, CA
- Downey, CA
- Boyle Heights, CA
- Monrovia, CA
- Highland Park, CA
- Hawthorne, CA
- El Segundo, CA
- Highland Park, CA
- Sherman Oaks, CA
- Mid City, CA
- Gardena, CA
- Glendale, CA
- Granada Hills, CA
- Griffith Park, CA
- Hacienda Heights, CA
- Long Beach, CA
- El Segundo, CA
- Torrance, CA
- Highland Park, CA
- Beverly Hill,CA
- Industry, CA
- Inglewood, CA
- Juniper Hills, CA
- Kagel Canyon, CA
- Koreatown, CA
- La Canada Flintridge, CA
- La Crescenta, CA
- La Habra Heights, CA
- La Mirada, CA
- La Puente, CA
- La Verne, CA
- Lake Balboa, CA
- Lake Hughes, CA
- Lake Los Angeles, CA
- Lake View Terrace, CA
- Lakewood, CA
- Lancaster, CA
- Lawndale, CA
- Lennox, CA
- Leona Valley, CA
- Littlerock, CA
- Lomita, CA
- Long Beach, CA
- Los Angeles, CA
- Los Feliz, CA
- Lynwood, CA
- Malibu, CA
- Manhattan Beach, CA
- Maywood, CA
- Mid-City, CA
- Mid-Wilshire, CA
- Mission Hills, CA
- Monrovia, CA
- Montebello, CA
- Monterey Park, CA
- Newhall, CA
- North Hills, CA
- North Hollywood, CA
- Northridge, CA
- Norwalk, CA
- Pacific Palisades, CA
- Pacoima, CA
- Palmdale, CA
- Panorama City, CA
- Paramount, CA
- Pasadena, CA
- Pearblossom, CA
- Pico Rivera, CA
- Pomona, CA
- Porter Ranch, CA
- Quartz Hill, CA
- Redondo Beach, CA
- Reseda, CA
- Rosecrans Hills, CA
- Rosemead, CA
- Rowland Heights, CA
- San Fernando, CA
- San Gabriel, CA
- San Marino, CA
- San Pedro, CA
- Santa Clarita, CA
- Santa Monica, CA
- Santa Fe Springs, CA
- Shadow Hills, CA
- Sherman Oaks, CA
- Sierra Madre, CA
- Signal Hill, CA
- Sleepy Valley, CA
- South Bay, CA
- South Gate, CA
- Stevenson Ranch, CA
- Studio City, CA
- Sunland, CA
- Sun Valley, CA
- Sylmar, CA
- Tarzana, CA
- Toluca Lake, CA
- Topanga, CA
- Torrance, CA
- Tujunga, CA
- Universal City, CA
- Valencia, CA
- Valley Glen, CA
- Valley Village, CA
- Valyermo, CA
- Val Verde, CA
- Van Nuys, CA
- Venice, CA
- Vernon, CA
- Walnut, CA
- Watts, CA
- West Covina, CA
- West Hills, CA
- West Hollywood, CA
- Westchester, CA
- Westlake, CA
- Westwood, CA
- Whittier, CA
- Wilmington, CA
- Winnetka, CA
- Woodland Hills, CA
Effective, Professional & Affordable
Trusted Security Guard Services
Our services include mobile vehicle patrol, foot patrol, bike patrol, private parking enforcement, retail security, logistics, and standing guards.

RETAIL & COMMERCIAL PROPERTY
In addition, 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. »

INDUSTRIAL & WAREHOUSE SECURITY
Whether you need nightly lock-up and alarm services, parking lot patrols, or temporary fire watch coverage, we also have the skills and expertise to deliver a cost-effective security solution that meets your priorities.»

CONSTRUCTION SITE SECURITY
Our highly trained and licensed guards can be trusted to keep valuable machinery and equipment secure while also protecting against vandalism, graffiti, trespassing, and other unwanted activity.»

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

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

CONSTRUCTION SITE SECURITY

LOGISTICS & TRANSIT SECURITY

HOAs & APARTMENT BUILDINGS
We’re proud to provide unparalleled security guard services for homeowner associations, gated communities, apartment complexes, condominiums, and communities of all sizes.
How it Works
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 & QUOTE
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 PLAN
We will delineate patrol routes, schedules & post orders based on your specific needs.

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

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

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

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

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

UPDATES
We provide clients with daily activity reports, incident reports, and parking violation warnings.
Protecting California's Most Recognized Brands



Why Choose
Guardian National Security




LICENSED
Expertly-Trained, BSIS-Licensed Security Guards

SUPERIOR CUSTOMER CARE
Exceptional Customer Service Available

COMPETITIVE PRICING
We Match or Beat Any Competitor’s Quote
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 Match or Beat Any Competitor's Price
Call Today for a Free Consultation & Quote
Contact Guardian National Security today for a free on-site security assessment or over-the-phone consultation and quote. We are equipped to provide security guard services as well as remote camera monitoring 24 hours a day anywhere in Tarzana, Reseda, Northridge, or Chatsworth.
Guardian National Security is a licensed private patrol operator and security guard services company. We’re also a member of the Better Business Bureau and CALSAGA.

Guardian National Security | Tarzana, California
Zip Codes: 91335
Area code: (213)
Frequently Asked Questions
Absolutely. Our security service is available 24 hours a day, 365 days a year. We can dispatch a guard to your location in Tarzana for last-minute needs or alarm verification, and clients can always reach a supervisor directly.
Every guard completes exhaustive background checks, drug testing, and management interviews. Our team includes retired police officers. All guards receive comprehensive training in patrols, emergency response, CPR/first aid, and terrorism awareness. All are BSIS-licensed and carry batons and pepper spray.
Yes. We provide gate guards and mobile security patrols for gated neighborhoods, HOAs, apartment complexes, and residential properties throughout Tarzana. Our guards control access, verify visitors, and conduct regular patrols to deter criminal activity and provide resident peace of mind.
Absolutely. We specialize in professional office and medical building security throughout Tarzana, including lobby guards, surveillance, lock-up services, and alarm verification. Whether you manage a multi-tenant building on Ventura Boulevard or standalone office, we customize security plans for your needs.
Our guards are trained to respond immediately to any security incident on your property. We maintain direct communication channels between guards, dispatchers, and supervisors. For new clients needing urgent coverage, we can dispatch qualified guards to your Tarzana location quickly, often within hours of your initial call.
Yes. We protect retail stores, restaurants, shopping centers, and commercial properties throughout Tarzana and Ventura Boulevard. Our security strategies effectively reduce theft, vandalism, employee pilferage, and criminal activity while maintaining a welcoming environment for your customers and creating safer business operations.
