60+ Years of

Professional. trusted. reliable.

Why Guardian National Security Is the Best Choice for Security Guard and Patrol Services

At Guardian National Security, we pride ourselves on offering exceptional security guard services at very competitive rates. In fact, if clients show us a quote from a competitor who is giving them a lower rate for the same services, we will match or beat their price. While our prices are on the low end, the quality of our security services is on the high end. All of our security guards pass comprehensive background screenings, have active guard cards issued by BSIS (California’s Bureau of Security & Investigative Services), and are required to uphold our reputation for dependability, professionalism and excellence. Additional we have a longstanding program in place that is completely dedicated to providing exceptional customer service. Dubbed the Management Customer Service Program or MCSP, this program focuses on responding to our clients needs 24 hours a day; proactively reaching out to clients to find ways to improve our level of service; and provide ongoing, regularly scheduled training to our guards.

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

The Preferred Choice for Private Security Services in Hacienda Heights, California

In Hacienda Heights, California, private security agencies can help deter property crimes, such as theft from a vehicle, robbery, burglary, grand theft auto, arson and vandalism. Reviewing crime data from a recent six-month period, there were more than 400 property crimes in Hacienda Heights, giving it a higher crime rate per 10,000 people than Rowland Heights and La Habra Heights. If you are interested in finding a solution to reduce your chances of being a property crime statistic, talk to the experts in crime prevention at Guardian National Security. We’ll evaluate your security needs, vulnerabilities, and neighborhood and design a security plan to cost-effectively protect your property and the people who live, work or do business there.

Security Guard Services for Rowland Heights, California

Located in the cross-section of San Bernardino, Orange, and Los Angeles Counties is the diverse community of Rowland Heights, California. Private security guard services for Rowland Heights can include standing security guard offers for marketplaces and retail shopping centers, foot and mobile patrol for parking lots and gated communities, front lobby/reception guards for hotels, hospitals, corporate offices and more.

Cost-Effective Security for Walnut & Surrounding Areas

A recent look at crime in the Walnut area showed that there were just under 200 property crimes over a six month period. While this isn’t necessarily high, it’s still higher than nearby Diamond Bar and South San Jose Hills. The frequency of such criminal activity is enough to prompt Walnut business owners and residents to be diligent about security on their property and in their neighborhood. Basic security precautions include locking doors, keeping valuables out of sight and installing security cameras. For added peace of mind, individuals and businesses can also hire a private security company, such as Guardian National Security, to monitor, secure and protect the people and things that are most valuable to them. We offer an array of security services in Walnut, and customize them to our clients’ needs. For example, our long-term security guards can become familiar with day-to-day activities at business and retail shopping centers, ensuring they quickly identify suspicious activity and/or individuals, as well as provide prompt responses to emergency situations. For those with a short-term security need, our guards can help with crowd management, access control and more. Call us today to learn more.

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

Book a Free On-Site Security Assessment

Call Guardian National Security today to inquire about any of our private security services, including but not limited to 24-hour alarm response, mobile patrol, standing guard services, parking lot management, event security, fire watch, logistical services, building lock up and more. You’ll speak with one of our private security experts and have a security plan developed for your specific needs and budget. We are fully licensed, insured, and all information is kept strictly confidential.

Custom-Made, Personalized Security Plan

Guardian National Security Walnut, Hacienda Heights, & Rowland Heights – 91745, 91748, 91788, 91789, 91795, 91796, California (CA)
Area code (626, 909, 562)