60+ Years of

trusted in downey, whittier & pico Rivera since 1997

Private Security Experts

The security guards at Guardian National Security are trained to provide the following services:

  • Standing guard watch
  • Emergency response
  • Fire watch
  • Lock up and alarm
  • Logistics
  • Parking enforcement
  • Crowd control
  • Event security
  • Foot, bike and vehicle patrols
  • Observation and reporting
  • Terrorism and weapons of mass destruction awareness

Our services are available 24 hours a day anywhere in Downey, which is critical for some companies that need round-the-clock surveillance, fire watch, alarm response, or protection. This means that we ensure that our guards, management team, and dispatchers are always ready and able to serve you when you need them.

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, Custom Private Security Services for Downey, Whittier, and Pico Rivera, CA

As a provider of an array of security guard services and wireless surveillance systems, Guardian National Security is qualified to be your full-service private security firm. We specialize in tailoring our security services to meet the unique requirements of each of our customers in Downey, Pico Rivera, and Whittier. We expertly serve the security needs of transportation companies, hotels, motels, office buildings, HOA’s, hospitals, schools, industrial facilities, manufacturing facilities, events, construction sites, filming locations, and more. In every case, we stay focused on not only presenting the appearance of security, but actually improving safety, reducing criminal activity, and providing substantial assistance with general duties such as logistics and parking enforcement.

In order to understand the needs of each account, we start with a comprehensive consultation at your Downey, Whittier, or Pico Rivera location where we learn about your industry, property, history, concerns, budget, and security goals. Clients can receive specific services such as lock up and alarm, or explore how one or more of our guards could fulfill several needs, such as truck inspection, patrol duties, gate access control, and equipment/inventory log maintenance. In either case, you will be provided with a quote that is sure to meet or beat any competitor’s price. You may decide to hire us on a temporary or contracted basis. Once we agree upon the terms, we will create post order duties from your security plan, and train our guards to accomplish them.

Guardian National Security is sure to deliver high quality security with the flexibility you are looking for. We are available 24 hours a day. Call us today for a free consultation and price estimate for private security services in Downey, Pico Rivera, or Whittier.

Wireless Security Equipment for Job Sites, Homes & Offices in Downey, Pico Rivera, and Whittier

In addition to being a licensed private patrol operator, Guardian National Security is also a C7 licensed contractor for low voltage systems, which includes closed-circuit video equipment, wireless motion detectors, and lighting. For our Downey customers, we can rent this equipment at highly cost-effective rates. Our security professionals would also be able to monitor your surveillance equipment 24 hours a day and investigate any suspicious activity. Call today for an on-site consultation and price estimate.

Mobile Patrol Services in Downey, Whittier, and Pico Rivera, CA – By Foot, Bike, Golf Cart or Vehicle

Guardian National Security is the ideal choice for reliable and professional security patrol services in Downey, Whittier, or Pico Rivera. Our mobile patrol services are available 24 hours a day, and can be done by foot, bike, golf cart, or vehicle to accommodate all terrains and property sizes. All of our patrols are easily identifiable and follow an unpredictable tour route in order to greatly discourage criminal activity and noncompliant behavior. Call us today. We’ll recommend the best type of patrol service for your Downey property, and provide a great rate.

Private Security Guards to Close & Secure Your Downey, Pico Rivera, or Whittier Business at the End of the Day

Guardian National Service provides dependable lock up and alarm services to properly secure any building, retail store, office, or construction site in Pico Rivera, Whittier, or Downey. Our guards are licensed and trained to do a walkthrough of your premises, ensure that everyone has left, check that all access points are securely locked, and properly set your alarm. This service is affordably priced and effective at ensuring that your property is securely locked at the end of each day.

Code-Compliant Fire Watch In Pico Rivera, Downey, and Whittier

California’s Fire Code requires that you designate a person whose sole responsibility will be to watch for fires and be ready to contact that fire department, if your sprinkler system or fire alarms are out of service while your building is occupied. Our dedicated and affordable fire watch services are ideal for any high occupancy building in Whittier, Pico Rivera, Downey, or other nearby city. We have trained our guards to patrol designated areas and identify early signs of fire or hazardous material emergencies. In the event of a fire, they will contact the fire department and assist with evacuation procedures.

Special Events Security In Downey, Whittier, and Pico Rivera, CA

Our guards are trained to provide the private security you need to create a safe and welcoming environment at any Downey, Whittier, or Pico Rivera event. Our event security services include VIP escorts, crowd management, event access control, parking enforcement, evacuation planning, traffic coordination, bags and belongings search, ticket taking, and mobile patrols. Call us today to start creating a security plan for your community event, sporting event, private party, or concert.

Security Alarm Response Services for Downey, Whittier, and Pico Rivera Businesses & Homes

Did you know that having your local police respond to a false alarm at your Downey, Whittier, or Pico Rivera property can result in a hefty fine? To avoid this, it is recommended that you hire a private security firm to monitor your alarm system and first verify a criminal activity before the police are called. Guardian National Security’s 24-hour alarm response services will continuously monitor your system and respond quickly to investigate your property if your alarm gets triggered. A uniformed guard in a marked vehicle will arrive promptly to patrol your property and ensure that your premises are safe. If criminal activity or another emergency is verified, they will immediately contact the police or fire department.

Professional Logistics & Security Services, Downey, Whittier, Pico Rivera, and Surrounding Areas

Guardian National Security provides transportation companies throughout Downey, Whittier, and Pico Rivera with expert logistical and security services. By having our licensed and trained uniformed security guards assist with your logistics, you can ensure that your operations will proceed smoothly; your records will be accurate and complete; and theft and employee pilfering will be reduced. Our security and logistical services are customized to the needs of our clients, but often include inspections, inventory control, management of vehicle/truck arrivals and departures, detailed record keeping, patrols, OSHA audit requirement fulfillment, and more. Call us today for a free quote.

Security Guards Ready for Same Day Dispatch to Downey, Pico Rivera & Whittier Locations

Guardian National Security puts great thought into all of our Downey, Whittier, and Pico Rivera accounts, from custom-designed security plans to determining the best guard for your post. We consider the appearance, personality, expertise, and experience in matching our guards and determine which assignments they are best suited for. Our guards are thoroughly trained in the critical aspects of private security: power to arrest, observe and report, enforcement of rules and regulations, compelling obedience, post orders, communications, public relations, terrorism and WMD awareness, patrols, and emergency response. They also receive ongoing education to keep them up-to-date on industry best practices and industry-specific security needs. Further, some of our elite guards go on to receive certification in CPR/first aid, and permits to carry pepper spray and batons.

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

call Guardian National Security today

Request a Free Quote for Private Security Guard Services in Downey, Pico Rivera, or Whittier, CA

Guardian National Security is a licensed Private Patrol Operator that strictly abides by the standards set by the Bureau of Security and Investigative Services. We also are members of CALSAGA (California Association of Licensed Security Agencies, Guards and Associates) and the BBB (Better Business Bureau). We are fully bonded and exceed the state’s insurance requirements for general liability, workman’s compensation, and commercial automotive insurance.

Custom-Made, Personalized Security Plan

Guardian National Security Temecula, De Luz Heights, & Rainbow – 92028, 92589, 92590, 92591, 92592, 92593, California (CA)
Area code (951, 442, 760)