What We Offer
Our Services
Licensed armed and unarmed officers, mobile patrol, and event security — matched to your property, hours, and risk.

Unarmed Security Guards
Highly visible, professionally trained unarmed security officers who deter crime and provide a safe environment for your property, employees, and visitors.
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Armed Security Guards
Licensed armed security officers with advanced firearms training for high-risk environments requiring an elevated level of protection and deterrence.
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Mobile Patrol Services
Randomized vehicle patrols covering your property perimeter, parking lots, and access points to deter criminal activity and provide rapid response.
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Event Security
Crowd management, access control, and VIP protection for corporate events, concerts, festivals, weddings, and private gatherings of any size.
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About Us
Dependable protection for every California environment
1 Cerberus Security & Patrol protects businesses, communities, and people across California. We bring military and law enforcement discipline together with modern security tools. The result is protection you can count on, 24 hours a day, every day of the year.
We are fully licensed by the California Bureau of Security and Investigative Services under PPO 121682, and we carry full insurance for every job. Our commitment goes beyond our officers to our operations. We invest in GPS-tracked patrol vehicles, digital reporting systems, and ongoing training. These keep our team at the front of the security industry.
Learn more about 1 CerberusIndustries We Serve
Trusted to protect
every kind of site
1 Cerberus deploys licensed officers matched to the risks of your industry across 24/7 Statewide Response. We protect sites everywhere from bank vaults and hospital lobbies to construction yards and stadium gates.
Every assignment is backed by our California PPO license (PPO 121682) and trained, uniformed guards you can count on day and night.
Banks & FinanceArmed officers for vaults, branches & high-value assets.
HealthcareA calm, trained presence for hospitals & clinics.
ConstructionMobile patrols that stop equipment theft cold.
Corporate OfficesFront-desk and access control for corporate campuses.
Hotels & HospitalityDiscreet guest safety, day and night.
RetailLoss prevention without disrupting customers.
EducationTrusted protection for campuses and students.
Maritime / PortsSecuring docks, cargo, and waterfront facilities.
EventsCrowd control and VIP protection for any event.
How we keep California safe
Integrity
Every officer operates with honesty and transparency. We earn trust through consistent, ethical conduct on every shift.
Reliability
When we commit to protecting your property, we show up. Steady scheduling and consistent staffing keep your coverage in place, shift after shift.
Preparedness
Our officers train for the worst-case scenario so they can keep the peace in everyday situations. Readiness is never optional.
Service
Security is a service industry. We treat your tenants, guests, employees, and visitors with respect and courtesy at all times.
Testimonials
What Our Clients Say
Look for a licensed California agency with a verified BSIS PPO license, insured and trained officers, and clear written post orders. 1 Cerberus is BSIS-licensed (PPO 121682) and can be reached at 1 (800) 460-8571.
Armed guards carry a firearm under a BSIS firearms permit and suit high-cash or high-risk sites. Unarmed guards focus on access control, visible deterrence, and customer service without a firearm.
Yes. We provide 24/7 fixed-post guarding and GPS-tracked mobile patrol across California. Call 1 (800) 460-8571 to arrange overnight, weekend, or holiday coverage.
Yes. 1 Cerberus Security & Patrol holds California BSIS Private Patrol Operator license PPO 121682. All officers hold valid BSIS guard cards, and armed officers hold current BSIS Firearms Qualification Cards. We carry full general liability and workers' compensation insurance. Certificates of insurance are available on request.
We serve clients throughout California from six offices. Our headquarters is in the San Francisco Bay Area at 1160 Battery St STE 100. We also have offices in Los Angeles, Lathrop, Sacramento, and San Jose. Officers deploy from the nearest office. If your property is outside these metro areas, contact us and we will confirm whether we can support it from the closest office.
Pricing varies by service type, number of officers, hours of coverage, and shift timing. It also varies by location, site complexity, and contract length. We do not publish rate cards because every site is different. Contact us with your property details, hours, and coverage needs for a customized quote, usually within 24 business hours.
Our Locations
Serving California Statewide
In Depth
Security Guard Services California: Coverage Overview
Security guard services California businesses rely on begin with a clear read of your property, your hours, and the risks that matter most. 1 Cerberus starts every engagement from that assessment, so security guard services California coverage is matched to the site rather than sold from a fixed package. The result is a post built around your entrances, your schedule, and the incidents you actually face.
What security guard services California programs include
A post combines access control, visible patrol, and documented reporting rather than a single task. Security guard services California assignments can be armed or unarmed and can run one shift or around the clock.
Access control first
Most incidents start at an unmanaged door, so a staffed entrance anchors the post.
Armed, unarmed, and mobile patrol options
The right mix follows your risk. Some security guard services California plans call for unarmed lobby officers, others for armed posts or GPS-tracked mobile patrol.
Matched to the site
Officer type and coverage hours follow your layout and exposure, not a fixed package.
Statewide coverage from local offices
From the Bay Area to Los Angeles, Sacramento, San Jose, and Lathrop, security guard services California coverage deploys from the office nearest your property.
One standard, several cities
Six California offices support a single, consistent operating standard.
What a Security Guard Services California Post Covers
A strong post is built from repeatable parts: a defended entrance, patrols offenders cannot predict, and a written record of every shift. That structure is what makes security guard services California coverage dependable week after week.
Lobby, gate, and dock access control
Officers staff the entrance, verify credentials, log visitors and vendors, and manage deliveries. Where a site has multiple gates, each is written into its own post orders.
A controlled entry point
A professional desk turns an open door into a monitored one.
Randomized interior and perimeter patrols
Officers walk corridors, stairwells, parking levels, and fence lines on varying schedules so no quiet window becomes predictable.
Patterns offenders cannot time
Varying patrol times keeps an unwatched gap from becoming routine.
Digital reporting and shift handoff
Each shift ends with a time-stamped report, and the outgoing officer briefs the incoming one so nothing is lost between shifts.
A record you can verify
Photo-backed logs give you evidence for claims, audits, and follow-up.
How Security Guard Services California Deployment Works
Deployment follows a clear sequence so coverage starts cleanly and stays consistent. Because security guard services California programs are written, not improvised, the first officer and the hundredth follow the same standard.
Site walk and written post orders
We walk your property with your facilities lead, map entrances and blind spots, and turn the findings into post orders you approve before an officer is assigned.
No guesswork on day one
Written orders mean every officer follows the same documented standard.
Officer assignment and briefing
Officers are matched to the environment and briefed on your access rules, escalation path, and reporting expectations before their first shift.
Right officer, right post
Assignments account for the setting, the hours, and the physical demands of the site.
Supervision and 24/7 dispatch
Field supervisors visit posts and our command center stays reachable around the clock, with rapid replacement when a callout threatens a shift.
Coverage without gaps
A trained officer bench and round-the-clock dispatch keep posts staffed.
Which Sites Need Security Guard Services California Most
Demand for security guard services across California concentrates where traffic, value, or after-hours exposure is highest. Those are the sites where a visible, trained presence changes the outcome most.
Retail, hotel, and office properties
Storefronts, hotels, and office buildings use unarmed officers for presence, access control, and calm customer-facing coverage.
A brand-facing role
Officers often greet the first visitor, so courtesy matters as much as alertness.
Warehouse, industrial, and construction sites
Gate control, after-hours perimeter checks, and equipment protection suit sites that sit quiet and exposed overnight.
After-hours exposure
Coverage is timed around shipping windows and idle phases.
Events and public gatherings
Credential screening, bag checks, and crowd-flow control keep events of every size running safely.
Right-sized staffing
Officer counts follow expected attendance and venue layout.
Licensing and Standards Behind Security Guard Services California
Every officer holds a valid California BSIS guard card, and 1 Cerberus is licensed PPO 121682 and fully insured. Those credentials are the baseline for the security guard services California clients can rely on without checking.
BSIS licensing and insurance
Armed officers carry current firearms permits, and certificates of insurance are available on request for any assignment.
Credentials you can check
Licensing and training records are documented and available for review.
Training beyond the guard card
Officers complete internal training in de-escalation, customer service, emergency response, and digital reporting, plus site-specific post orders.
Prepared for the setting
Specialized assignments add modules such as hospitality or healthcare awareness.
Quality control and reporting
Field supervisors make regular visits, GPS and radio compliance is monitored, and every shift produces a digital report.
Accountability by design
Client reviews track incidents and corrective actions over time.
Request Security Guard Services California Today
Tell us about your property, its hours, and the coverage you have in mind. We will recommend the right mix of officers and patrol for your site and budget, then confirm a realistic start date.
Start with a free assessment
A short walk-through is the fastest path to accurate scope and pricing. Call 1 (800) 460-8571 or request a quote through the contact page.
No obligation
An assessment costs nothing and commits you to nothing.
Fast deployment options
Standard posts typically start within a few days, and mobile patrol or emergency coverage can begin sooner where officers are available.
Coverage when you need it
We confirm realistic start dates before you commit.
One team, statewide
From a single site to a multi-city portfolio, our California offices support coverage under one licensed operator.
Talk to a specialist
Use the contact page or call to discuss your California property.

