Security Guard Services California — Armed, Unarmed & Mobile Patrol

California's Trusted Security

Professional SecurityGuards & PatrolServices

Licensed, insured, and highly trained security officers protecting businesses, properties, and communities across California — 24 hours a day, 365 days a year.

Looking for a trusted security agency near you? 1 Cerberus provides reliable 24/7 security across California, deploying licensed armed guards, unarmed guards, and GPS-tracked mobile patrol teams.

CaliforniaBusinesses Served
StatewideCoverage
LicensedBSIS & Insured
1 Cerberus Security & Patrol licensed guard on duty in California1 Cerberus mobile patrol and 24/7 secure operations team

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 Cerberus

Industries 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.

Why 1 Cerberus

How we keep California safe

01
01

Integrity

Every officer operates with honesty and transparency. We earn trust through consistent, ethical conduct on every shift.

02
02

Reliability

When we commit to protecting your property, we show up. Steady scheduling and consistent staffing keep your coverage in place, shift after shift.

03
03

Preparedness

Our officers train for the worst-case scenario so they can keep the peace in everyday situations. Readiness is never optional.

04
04

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

Security is everything for a bank, and 1 Cerberus Security & Patrol's armed guards deliver. They're vigilant and handled a recent incident with speed and skill. Our customers feel safer, and they're the top choice for bank security in San Francisco.

Portrait of Michael Rodriguez, Branch Manager.

Michael Rodriguez

Branch Manager

Bank · San Francisco

1 Cerberus Security & Patrol transformed our store's safety. Their guards are professional and great at stopping theft without bothering customers. Shoplifting has dropped significantly since they started. They're a must for any retail business in LA!

Portrait of Kevin, Store Manager.

Kevin

Store Manager

Retail · Los Angeles

Get Protected Today

Contact 1 Cerberus Security & Patrol Today

Call 1 (800) 460-8571 or request a free quote to schedule guards or mobile patrol.

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.

Call 1 Cerberus Security & Patrol at 1 (800) 460-8571Request a security quote