At Overton Security, we provide professional, dependable private security services in Walnut and the surrounding areas. With over 25 years of experience protecting people, property, and reputations, our team is known for delivering tailored security solutions, not one-size-fits-all answers.
Whether you’re managing a residential community, overseeing a distribution center, hospital, or responsible for a commercial property, Overton Security offers reliable, responsive protection built on experience, partnership and care.
At Overton Security, we understand that every property, business, and neighborhood in Walnut has unique safety needs. That’s why we offer a comprehensive range of private security services designed to provide real protection — not just the appearance of it.
From long-term security programs to short-term coverage and event staffing, our solutions are customized to fit your environment, your goals, and your budget. With a team of experienced professionals and 24/7 oversight, you can count on Overton for consistent, high-quality service in every sector we serve. Here are just some of the ways we help protect our clients across Walnut:


Overton Security is proud to support a wide range of industries throughout Walnut, each with its own set of safety challenges and requirements.
Our team is experienced in adapting security strategies to meet the specific needs of your environment — whether it’s high-traffic retail, sensitive residential communities, commercial office buildings, or critical infrastructure. With a focus on professionalism, visibility, and responsiveness, we provide dependable protection where it matters most.

We know Walnut and understand the unique safety challenges that come with operating here. Our officers are trained and briefed to respond effectively to local conditions and concerns.

Every Overton account in Walnut is backed by responsive management, 24/7 dispatch support, and GPS-tracked patrols with detailed digital reporting. You always get full transparency.

We believe great service starts with great people. That’s why we invest in our officers through ongoing training, competitive wages, and a strong support system — so they can deliver the high standards our clients expect.

Tailored Solutions – We don’t believe in “security theater.” Our programs are built around your actual risks and property needs, ensuring that you get effective, visible, and valuable protection.
At Overton Security, we recognize that security needs vary widely across different sectors. Our comprehensive range of services is designed to address these unique challenges, ensuring that every client receives the protection that best suits their environment.
From residential communities requiring vigilant monitoring to high-security environments like hospitals and government buildings, our tailored security solutions include uniformed officers, armed security, and specialized event staffing. Each service is crafted with the specific requirements of the sector in mind, providing peace of mind to our clients.
Professionalism and reliability are at the core of Overton Security's mission. Our team is trained to uphold the highest standards of conduct while delivering security services, ensuring that clients feel safe and secure at all times.
We pride ourselves on our transparent communication and accountability, allowing clients to trust that their security needs are being handled with utmost care. Our commitment to reliability means that you can count on us to be there when you need us most, with proactive measures in place to prevent security breaches before they occur.
Understanding the effectiveness of our services is best illustrated through the experiences of our clients. At Overton Security, we have a wealth of testimonials that speak to our dedication and the results we achieve in various settings.
From local businesses that have seen a significant reduction in incidents to community leaders who appreciate the peace of mind our services provide, these success stories highlight our ability to meet and exceed client expectations, reinforcing our reputation as a trusted security partner in Walnut.
In today’s rapidly evolving security landscape, technology plays a crucial role in enhancing safety measures. Overton Security integrates advanced technology into our services to provide real-time monitoring and rapid response capabilities.
Our use of state-of-the-art surveillance systems, access control measures, and communication tools ensures that we can respond swiftly to any incidents. By harnessing the latest innovations, we deliver a higher level of protection that adapts to the dynamic needs of our clients.