G.M.B. SECURITY SERVICES CORP.
Security guard servicesacross California.
Armed and unarmed guards, mobile patrols and remote monitoring for businesses, communities and events.
CALIFORNIA BSIS LICENSE PPO 122551 | 24/7 SECURITY COVERAGE
CALIFORNIA SECURITY BOOKING OFFER
Try us free for 2 days.
Book 30 days of standard security guard service and ask about your first two days free. Our team will confirm eligibility, staffing and the written terms for your property.
Qualifying 30-day bookings. Subject to availability and confirmed service terms.OUR SECURITY SERVICES
The right coverage for
your people and property.
Choose on-site officers, scheduled patrols or specialist support. We assess your location, hours and security requirements before proposing a plan.
Armed & Unarmed Guards
Highly trained guards tailored to your specific security level and risk profile.
View serviceResidential Security
Protect your home, estate, gated community, and family with customized 24/7 solutions.
View serviceCommercial & Corporate
Comprehensive protection for offices, retail centers, construction sites, and manufacturing facilities.
View serviceEvent & Crowd Management
Expert security planning, perimeter control, and crowd flow safety for events and gatherings.
View serviceGovernment & Institutional
Reliable, compliant security for government buildings, municipal facilities, and school districts.
View serviceMobile Patrol & Monitoring
Proactive vehicular patrols and continuous surveillance to deter incidents before they occur.
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VIRTUAL GUARD SERVICES
Remote monitoring.
A watchful presence.
Camera monitoring adds another way to watch your property. Discuss your existing cameras, monitoring hours and incident-response arrangements with our team.
ABOUT G.M.B. SECURITY
A security team that
understands your site.
G.M.B. Security Services Corp. provides security for residential communities, commercial properties, events and public facilities throughout California.
From our Santa Ana contact location, we help you plan access control, guard coverage and patrol schedules around the way your property operates.
Get to know GMB
What you can expect
- Professional officers and clear site instructions
- Coverage matched to your operating hours
- Activity logs and incident reporting
- A direct conversation about your requirements
INDUSTRIES WE SERVE
Specialist security.
Built for your industry.
Different environments need different procedures. Find security coverage for the places your staff, visitors and customers depend on.
BANKING & FINANCE
Bank Security Guards
Lobby coverage, controlled access and exterior patrols.
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HOSPITALITY
Hotel Security Guards
Guest-focused coverage for lobbies, events and overnight operations.
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INDUSTRIAL & LOGISTICS
Warehouse & Industrial Security
Gate procedures, vehicle checks and perimeter protection.
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HEALTHCARE
Hospital Security Services
Access monitoring and coordinated support for healthcare facilities.
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RESEARCH
Research Facility Security
Visitor verification and controlled access to sensitive work areas.
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CONSTRUCTION
Construction Site Security
After-hours coverage for equipment, materials and site entrances.
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RETAIL
Retail Security & Loss Prevention
Visible security for staff, customers and merchandise.
Explore security coverageResidential & Gated CommunitiesShopping Centers & MallsCorporate Offices & FacilitiesSchools, Hospitals & ClinicsGovernment & Public BuildingsHotels, Venues & Entertainment
GETTING STARTED
From your first call
to a practical security plan.
Discuss the property
Tell us about your location, entrances, operating hours and immediate concerns.
Review the coverage
Agree on guard duties, patrol areas, staffing levels and reporting needs.
Confirm your proposal
Review a written scope, availability, pricing and any promotional terms.
Coordinate the service
Set site instructions, points of contact and the schedule for your coverage.
CALIFORNIA SERVICE AREAS
Security coverage,
where you need it.
Explore Santa Ana and Orange County, Los Angeles, the Inland Empire, San Diego and Northern California. Confirm staffing for your exact address.
9 service areas
CALIFORNIA SERVICE AREA
Santa Ana / Orange County
Core dispatch center. Protecting Santa Ana, Irvine, Anaheim, and coastal Orange County with fully integrated, state-certified responsive security guards.
ZIP coverage: 92701 - 92799 & Statewide
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CALIFORNIA SERVICE AREA
Los Angeles Metro
Serving Downtown LA, Hollywood, financial sectors, and logistics warehouses with round-the-clock physical security guards and patrols across the state.
ZIP coverage: 90001 - 90299 & Statewide
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CALIFORNIA SERVICE AREA
San Fernando Valley
Residential gating security, commercial complex monitoring, and retail protection. Part of our seamless state-wide security fleet coverage.
ZIP coverage: 91301 - 91618 & Statewide
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CALIFORNIA SERVICE AREA
San Bernardino & Inland Empire
Dedicated logistics center guard protection, large distribution yard patrols, and manufacturing facility surveillance backed by statewide resources.
ZIP coverage: 92401 - 92427 & Statewide
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CALIFORNIA SERVICE AREA
San Diego County
Covering commercial ports, luxury coastal developments, corporate campuses, and tech hubs with fully licensed statewide officers.
ZIP coverage: 92101 - 92199 & Statewide
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CALIFORNIA SERVICE AREA
Ventura County
Securing suburban estates, agricultural facilities, and high-value research hubs. GMB provides elite physical defense statewide.
ZIP coverage: 93001 - 93010 & Statewide
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CALIFORNIA SERVICE AREA
Riverside County
Patrol fleets and construction site guards guarding retail complexes and recreational estates through our statewide service matrix.
ZIP coverage: 92501 - 92522 & Statewide
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CALIFORNIA SERVICE AREA
Sacramento & Central Valley
Government complex protection, state institutional support, and agricultural belt security, seamlessly linked to our statewide command center.
ZIP coverage: 95814 - 95833 & Statewide
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CALIFORNIA SERVICE AREA
San Francisco Bay Area
Security guard and patrol enquiries for San Francisco Bay Area properties. Confirm staffing and exact site availability with GMB.
ZIP coverage: San Francisco Bay Area
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CLIENT TESTIMONIALS
Feedback from the people
who rely on GMB.
Client experiences with residential, retail and event security.
Testimonials describe past experiences. Historical rates and offers may differ from your written proposal.
REQUEST A SECURITY QUOTE
Let’s build your security plan.
Tell us about your property and schedule. Explore an indicative estimate, then request a written proposal from our team.
SECURITY RESOURCES
Plan your coverage
with better information.
Guides to guard selection, construction-site protection and residential security.
SECURITY PLANNING01
Industry Insights
Armed vs. Unarmed Security: How to Determine the Safe Choice for Your Property
Understand BSIS standards and legal liabilities when deploying armed personnel in commercial, residential, and construction environments across California.
Read briefingSECURITY PLANNING02
Asset Protection
Construction Site Shrinkage: Preventing Vandalism and Asset Theft After Hours
With copper and raw material costs spiking, construction yards are primary targets. Learn the physical security tactics that save developers millions.
Read briefingSECURITY PLANNING03
Residential Tips
California HOA Security Requirements: Mitigating Liability for Board Members
Is your homeowner association doing enough to prevent burglaries? Discover the compliance checks that shield board members from litigation.
Read briefingWhat security services does GMB offer?
GMB provides armed and unarmed guards, residential and commercial security, event and institutional coverage, mobile patrols and virtual monitoring. Specialist enquiries include bank, hotel, hospital, research-facility, construction, retail and warehouse security.
Which areas of California do you serve?
Our headquarters is in Santa Ana. Service areas include Orange County, Los Angeles, San Fernando Valley, San Bernardino, San Diego, Ventura, Riverside, and Sacramento, the Central Valley and the San Francisco Bay Area. Contact dispatch to confirm availability for your exact site.
Do you offer virtual guard services?
GMB provides virtual guard services at $13.99 per hour. Contact the team to confirm camera compatibility, monitoring coverage, response arrangements and rate eligibility.
How much does security guard service cost?
Security pricing depends on the service, staffing, schedule and site requirements. Use the estimator for an indicative plan or request a written quote tailored to your property.
How does the two-day offer work?
The advertised offer provides two days free with a qualifying 30-day standard security booking. The estimator deducts two days for bookings of 30 days or more. Eligibility, availability and final contract terms must be confirmed by GMB.
How can I request a security plan?
Use the plan estimator to calculate an indicative cost, then request your quote using the form or call (657) 200-2040. GMB can discuss your property, coverage hours and security requirements.
LET'S DISCUSS YOUR PROPERTY