Well-Trained, Licensed Guards & Personalized Security Plans

Construction Site Security Guards in Southern California

24/7 Theft, Vandalism, and Trespassing Protection for Southern California Construction Sites

Guardian National Security has protected Southern California construction sites since 1997. Our BSIS-licensed construction site security guards stop the theft, vandalism, trespassing, and graffiti that drive up insurance premiums, push back project timelines, and put crews at risk. From single-family rebuilds in the hills to multi-acre commercial projects in the Inland Empire, every job site gets a written post order, GPS-tracked patrols, and a supervisor checking in twice per shift. We dispatch 24/7 across Los Angeles, Orange County, San Diego, Riverside, Ventura, and Santa Barbara counties. Every quote comes with a free on-site walkthrough and a price-match guarantee. If a licensed competitor beats us, we match it.

The Construction Site Security Guards Southern California Contractors Call When Losses Threaten the Schedule

A single copper theft can push your electrical rough-in back two weeks while you wait on replacement wire and a new LADBS inspection slot. A weekend trespass incident puts your owner’s insurance carrier on the phone with your PM Monday morning. A red-tagged sprinkler from LAFD shuts your site down until a licensed fire watch arrives. We have handled all three for Southern California contractors since 1997, including Palisades and Eaton fire rebuilds, Inland Empire warehouse buildouts, and ground-up commercial projects for Kohl’s, Starbucks, Burger King, and Bank of America. Every guard is BSIS-licensed under PPO #120268, trained by retired police officers, and tracked on every shift with Detex GPS. New contracts start within 48 hours, and every shift produces a daily report your owner, insurance carrier, and risk team can actually use. For the full theft-prevention playbook our guards run, see how to prevent theft on a construction site. You stop chasing your security company for reports and start chasing your finish date.
construction site security guards in southern california
60+ Years of
experience
How Much Does Construction Site Security Guards
Cost in Southern California?
Find out in 60 seconds with our free cost estimator.
Get My Estimate →

Guardian National Security

Construction Site Security Guard

  • BSIS-Licensed Construction Site Security Guards Operating Under California PPO #120268
  • Detex GPS Tracking and Twice-Per-Shift Supervisor Verification on Every Site
  • Daily Truck, Material, and Activity Logs Your Insurance Carrier Will Accept
  • Same-Day Fire Watch for LAFD Sprinkler Outages and Hot Work Permits
  • Price-Match Guarantee with No Long-Term Contracts Required on Any Job
construction site security guards in southern california

Match the Construction Site Security Guard to Your Site, Hours, and Risk

Not every construction site needs the same coverage. Mobile vehicle patrol works best for multi-acre sites and after-hours roving that catches breaches anywhere on the perimeter. Foot patrol keeps homeless encampments from forming during long build windows and stops graffiti before the first tag goes up. Standing guards at the main gate screen workers, subcontractors, and deliveries, refusing anyone not on the access list. Every Guardian guard can arrive in standard security uniform or full construction site security garb, including high-visibility vest, hard hat, steel-toe boots, and duty belt, whichever your job site protocol prefers. See all construction site guard appearance options for your job.

Guardian National Security

Licensed Security Guard Services
in Southern California

Get your free security assessment today.

Request a Free Quote

Security Services Across Los Angeles

Protecting Los Angeles County Since 1997

From Calabasas to Downtown, the Westside to the Harbor, Guardian National Security has been protecting Los Angeles County properties for nearly 30 years. Whether you need a posted guard, a marked patrol vehicle, or fire watch coverage on a construction site, every Los Angeles service is BSIS-licensed, insured, and run from our local Calabasas headquarters.

Los Angeles County Coverage

Our Los Angeles guards and patrol vehicles cover Downtown, Hollywood, the Westside, San Fernando Valley, South LA, the Eastside, the Harbor, Beverly Hills-adjacent neighborhoods, and surrounding LA County communities. Headquartered in Calabasas, dispatched live 24 hours a day, available within hours of your call.

Ready to Lock Down Your Job Site?

Get Your Free
Construction Site Walkthrough

BSIS-licensed, GPS-tracked construction site security guards across Southern California. We will walk your job site, map the vulnerabilities a thief would target first, and quote you within 48 hours.

BSIS-Licensed | PPO #120268 GPS-Tracked Every Shift Serving Southern California Since 1997 Price Match Guarantee

Frequently Asked Questions

A licensed fire watch guard can typically be deployed to a Los Angeles construction site within 2 to 4 hours of the first call, depending on time of day and post location. Guardian National Security dispatches BSIS-licensed fire watch guards 24/7 across Los Angeles, Orange County, and the Inland Empire when a sprinkler system goes offline, a hot work permit kicks in, or LAFD red-tags a site.
Yes, a BSIS-licensed security guard can remove a homeless encampment from a private construction site in California by issuing a verbal trespass warning, calling LAPD if the person refuses to leave, and documenting the incident in a written report. Guards cannot use force, seize belongings, or damage property. Removing an encampment legally requires coordination with the property owner, LAPD, and city outreach services.
A multi-acre construction site typically requires 1 standing guard at each active gate plus 1 mobile or foot patrol guard rotating the perimeter, with armed coverage added if the site stores high-value materials or has prior incidents. A 5-acre site usually runs 2 to 3 guards per shift. Final coverage depends on site layout, hours of activity, and stored materials.
In Los Angeles, unarmed construction site security guards cost $25 to $40 per hour, while armed guards cost $35 to $65 per hour, a difference of about $10 to $25 per hour. Armed coverage carries higher licensing, insurance, and training costs. Most LA construction sites are adequately protected with unarmed guards unless high-value materials or specific threat history justify armed coverage.
Hiring a licensed construction site security guard can lower or stabilize construction insurance premiums on policies including builder’s risk and general liability, especially after a previous claim. Insurance carriers view documented 24/7 security as a measurable risk reduction. Daily activity reports, GPS-tracked patrols, and written incident reports from Guardian National Security give underwriters the evidence they need to keep your rates from climbing.
California does not legally require construction site security guards on every project, but BSIS-licensed fire watch is required when sprinkler systems are offline, alarm systems are down, or hot work permits are active under Title 19 CCR and the California Fire Code. Many general contracts, public works specifications, and insurance policies also require on-site security as a condition of coverage or contract.
Shopping Basket
Call Now Button