If you require immediate security guarding please contact our 24/7 dispatch line at 833-552-3733 to speak with one of our team members. 833-552-3733

Construction Security Guards in Ontario, CA

BSIS-licensed guards for Inland Empire job sites. Armed and unarmed coverage, overnight protection, and fire watch. Call 833-552-3733 for rapid deployment across Ontario and San Bernardino County.

Comprehensive Construction Site Security in Ontario, CA

Ontario is the logistics and industrial engine of the Inland Empire — one of the fastest-growing construction markets in Southern California. Amazon fulfillment centers, industrial distribution parks, residential subdivisions in Ontario Ranch, and infrastructure expansions tied to Ontario International Airport have made this corridor one of the most active job site environments in the region. That level of activity also creates significant exposure to equipment theft, copper wire stripping, vandalism, and unauthorized access.

Freedom Security Solutions provides BSIS-licensed construction security guards with direct experience on Inland Empire job sites. Our guards handle access control, perimeter patrols, overnight shifts, and fire watch coordination — giving project managers a single reliable security partner from groundbreaking through certificate of occupancy.

Specialized Guard Services for Ontario Job Sites

Armed Construction Security

For high-value sites or locations with elevated theft risk — large equipment staging areas, sites near major freight corridors, or projects with documented intrusion history — armed guards provide visible deterrence that significantly reduces criminal activity. Our armed guards hold California Guard Cards with active firearm qualifications. They are the right call for industrial construction projects, logistics center builds, and large residential developments in the Ontario Ranch corridor.

Unarmed Site Guards

The majority of Ontario construction sites are well-served by professional unarmed guards. They manage gate access, verify credentials for workers, subcontractors, and vendors, conduct scheduled patrols, and submit detailed shift reports to our 24/7 operations center. Cost-effective and highly capable for commercial, industrial, and residential construction projects of all sizes in San Bernardino County.

Coverage Options to Stop Theft & Vandalism

Overnight Construction Security

Most job site theft in the Inland Empire happens between 10 PM and 6 AM. Copper wire, generators, and heavy equipment are the primary targets on Ontario sites. An overnight guard presence eliminates the easy opportunity. Our guards remain on-site through the full shift, run scheduled patrols, and report anything suspicious in real time.

Weekend & After-Hours Coverage

Friday night through Monday morning is the peak window for construction site theft. The I-10 and I-15 corridors make Ontario sites accessible targets. We provide continuous weekend coverage to keep equipment, materials, and the site itself protected when no crew is present.

Mobile Vehicle Patrols

For larger industrial developments or projects spread across multiple addresses in the Ontario area, mobile vehicle patrols provide efficient coverage. Our patrol officers make documented stops at each location on a rotating schedule — visible, professional, and difficult to predict.

Ready to secure your Ontario construction site?

BSIS-licensed guards available 24/7. Get a free quote or call 833-552-3733 — most sites can be staffed within 24–48 hours.

Operational Duties & CA Code Compliance

Access Control & Gate Monitoring

Guards manage a single controlled entry point, verify all personnel against the authorized access list, log arrivals and departures, and prevent tailgating. We secure gates with anti-shackle padlocks during unmanned hours — a basic but commonly overlooked measure that stops the most frequent point-of-entry method on Ontario sites.

Perimeter Fencing & Lighting Checks

California requires a minimum 6-foot perimeter fence on active construction sites, enforced at both the state and municipal level in Ontario. Our guards verify fence integrity on each patrol round and flag any breach immediately. They confirm that CA Penal Code § 602 trespassing notices are posted and visible at the perimeter, and check that exterior construction areas meet the 1 foot-candle minimum illumination requirement for after-hours conditions.

Fire Watch & Hot Work Monitoring

The Ontario Fire Department requires fire watch whenever welding, cutting, grinding, or torch operations occur without a functioning suppression system — and whenever fire protection is impaired during active construction phases. Our guards coordinate directly with the Ontario Fire Department, maintain the required hourly patrol logs, and document all hazards observed during each watch period. See our construction site fire watch page for full details on hot work and system-impairment coverage.

Why Choose Us: Licensed, Bonded & BSIS Compliant

BSIS PPO Licensed

Current California Bureau of Security and Investigative Services Private Patrol Operator license — required to legally operate security services in Ontario and throughout San Bernardino County.

Guard Card Certified

Every guard carries an active California Guard Card and meets BSIS minimum training requirements before any site placement.

Background Checked

Thorough background verification completed before any guard is placed — no exceptions for any client or project type.

Fire Watch Ready

Familiar with Ontario Fire Department fire watch documentation standards and San Bernardino County compliance requirements for permitted construction projects.

24/7 Operations Center

Guards stay connected to our round-the-clock operations center — shift reports, incident escalation, and management oversight at every hour.

Ontario, CA Areas We Serve

Ontario RanchAirport Business DistrictDowntown OntarioOntario Mills CorridorCucamonga DistrictEast OntarioSouth OntarioWest OntarioRancho Cucamonga (nearby)Chino Hills CorridorFontana (nearby)Greater Inland Empire

Frequently Asked Questions

Do I need a licensed security company for construction sites in Ontario, CA?

Yes. California requires all security companies operating in Ontario to hold a valid BSIS PPO license. Individual guards must carry an active Guard Card. Freedom Security Solutions is fully licensed and all guards meet California training requirements. We are familiar with San Bernardino County code enforcement expectations.

What does a construction security guard do on an Ontario job site?

Our guards handle gate access control, verify worker and vendor credentials, conduct perimeter and interior patrols, check fencing and lighting conditions, document all incidents, and coordinate with the Ontario Fire Department for fire watch when required during hot work operations or fire system impairments.

How quickly can you deploy guards in Ontario, CA?

We maintain guard coverage throughout the Inland Empire and can typically respond within a few hours for urgent needs. For planned coverage, 24–48 hours advance notice is recommended. Call 833-552-3733.

Do your guards meet fire watch requirements for Ontario construction sites?

Yes. Guards are trained under NFPA standards and coordinate with the Ontario Fire Department. We maintain the required patrol logs and documentation for hot work permits and system impairment situations throughout the project.

What is the difference between armed and unarmed construction security?

Unarmed guards cover access control, patrols, and reporting — the right fit for most Ontario sites. Armed guards are recommended for high-value industrial or logistics builds, or areas with elevated theft risk. We assess your site and recommend the right coverage level.

Request Construction Security Coverage in Ontario, CA

Tell us about your project and we'll respond quickly.

We do not sell your information to third parties.

Construction Security Services

View our full construction security services or explore other locations:

Call Now: 833-552-3733