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Licensed Security Guard Company You Can Trust
Reliable security guard services protecting properties and communities across California.
Trusted by Leading Businesses, Organizations, and Recognized Brands





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Our Track Record
Proven results in providing top - notch licensed, bonded and insured security guard services in Northern California.
34+
Years In Business
110+
Years Experience
24/7
Team Support
4,869+
Clients Protected
100%
Compliance
It’s a dangerous world. Don’t face it unprotected.
Everything you’ve worked hard for is worth protecting. Crime, trespassing, and theft put it at risk every day.
We protect what matters most. Your people, your property, and your peace of mind.

A BETTER WAY TO PROTECT WHAT MATTERS
Security Built Around Your Business. One Custom Plan.
Multiple Layers Of Protection.
Delta Protective Services combines trained security officers, mobile patrols, surveillance, monitoring, alarm response, and investigations into one custom security plan built around your business, property, assets, and risk.
For more than 30 years, our locally owned team has helped protect Stockton businesses, properties, people, and communities.
PROEFSSIONAL SECURITY SERVICES
Choose The Security Guard Services Your Business Needs
Not every property requires a complete bundled solution. Delta Protective Services also offers individual security services that can stand alone or be combined as your needs change.

Surveillance Trailers
Mobile surveillance solutions that extend visibility into construction sites, parking lots, remote areas, and other high-risk locations.
PROUDLY PROTECTING LOCAL COMMUNITIES
Industries We Proudly Protect In California
Delta Protective Services provides tailored security guard services across commercial and corporate environments, industrial and infrastructure facilities, residential and community properties, and institutional and public sector buildings. From construction security guards protecting active build sites to corporate security covering office campuses and executive protection services for high-profile clients, our licensed private security guard services are built for every industry and every environment we protect.


Construction & Job Sites
Protect equipment, materials, and active work areas with the right mix of officers, patrols, surveillance, and monitoring.

Commercial & Retail Properties
Help deter theft, vandalism, trespassing, and unwanted activity while creating a safer environment for customers and employees.

Warehouses & Industrial Facilities
Reduce after-hours risk, control access, monitor large properties, and protect valuable inventory and equipment.

Healthcare Facilities
Support a safe, professional environment with trained security personnel and responsive protection tailored to your operation.

Residential Properties
Help protect residents, guests, shared spaces, and property with visible security, proactive patrol, and responsive on-site support.

Agriculture & Rural Properties
Protect equipment, fuel, buildings, & remote property with security solutions designed for large and hard-to-monitor areas.
Local
Leadership
30+ Years
Experience
MORE THAN A SECURITY COMPANY
Protecting Communities Starts With Being Part Of Them
For more than three decades, Delta Protective Services has helped protect businesses, properties, and people with experienced leadership, professional security teams, and a commitment to the community we call home.
Community
Security Education
Trained Security Professionals
Accessible
Management
Locally Veteran & Woman Owned
CLIENT REVIEWS
4,869+ Satisfied Clients
Proven and Trusted Security by Thousands of Clients Across Northern California
CALIFORNIA CITIES WE PROUDLY SERVE
Local Security Services With Regional Reach
Delta Protective Services provides custom security solutions throughout: Stockton, Folsom, Lathrop, Lodi, Manteca, Modesto, Roseville, Sacramento, and Tracy California.
Our regional presence allows us to provide professional security while maintaining the local management, accessibility, and accountability clients expect.
FAQ
frequently asked questions
Delta Protective Services provides uniformed security officers, mobile vehicle patrol, surveillance trailers, video surveillance and monitoring, alarm response, executive protection, and custom security solutions that combine multiple services when needed.
We provide professional security services throughout Stockton, Folsom, Lathrop, Lodi, Manteca, Modesto, Roseville, Sacramento, and Tracy, California.
Every property and organization faces different risks. We start by learning about your people, property, assets, operations, vulnerabilities, and concerns, then recommend the combination of security services that makes sense for your situation.
Yes. Our custom security plans can combine services such as security officers, mobile patrol, surveillance trailers, video monitoring, and alarm response to create multiple layers of protection around your specific risks.
We provide security solutions for construction sites, commercial and retail properties, warehouses and industrial facilities, healthcare facilities, residential properties, agriculture and rural properties, and other organizations with security needs.
Delta brings more than 30 years of experience, local leadership, trained security professionals, accessible management, security technology, community education, and a customized approach to protecting people, property, and assets.
Delta uses activity and incident reporting to provide greater visibility and accountability, helping clients understand what officers are observing, documenting, and responding to during their assignments.
Start by requesting a Custom Security Plan. We’ll learn about your concerns, identify potential vulnerabilities, and recommend the security services and layers of protection that best fit your needs.
OUR CLIENTS
Who Trust Us
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READY TO PROTECT WHAT MATTERS MOST?
Let’s Build the Right Security Plan for Your Needs
Every property, business, and organization faces different risks. Let Delta Protective Services create a custom security plan built around your people, property, and priorities.

Delta Protective Services, Northern California’s premier solution for security guards, vehicle patrol, and private investigations.
California State License: PPO15406
OFFICE ADDRESS
141 East Acacia Street
Stockton, CA 95202
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