Securing your construction site (A guide to making sure your construction site is fully secure)

Updated: Jan 20

Has your construction site been targeted recently by criminals or have you had unauthorized people gain access to your site? If so, this guide will help you create a fully secure construction site so that you can focus on completing your project rest easy knowing your project is protected.

With thousands of dollars in tools, equipment and material on site, thieves often target unsecured construction sites where they can get easy access to high value items. Often costing thousands of dollars in lost time and the cost of replacing everything. But With a proper security plan in place you'll be able to sleep better at night knowing your building project is safe.

Step 1: Establishing the perimeter of your construction site.

Signs for safety equipment on construction site.

The very first step in securing your construction site is to establish the perimeter of the property. This can be as simple as, a rope tied to stakes in the ground, or something more secure, like metal fencing.

Many times, a simple barrier is enough to ward of anyone looking to cause trouble. Unless a criminal feels they can gain access without getting caught, they will usually move onto a less secure site.

The crimes that happen to construction sites are typically opportunistic crimes, which means a criminal strikes when they see an opportunity for easy access.

Step 2: Post signage in highly visible areas.

Security sign for construction site that states no trespassing from Ontario provincial security guard service.

Placing signs at all public entrances and high traffic areas that state "private property" and/or "no trespassing" will offer 2 benefits for your site. It gives notice to everyone that this is private property and no trespassing allowed and if someone is caught, they've already been warned and make it easier to prosecute.

You should also consider posting signs to show there's some type of security on site such as security guards or security cameras. Even if this is not true, the public doesn't need to know. Just the thought of being caught will scare away most people.

These kinds of signs don't have to be anything special, the ones available at your local hardware store will do just fine. Or if you'd like to look more official you could talk to your local security guard company and see if they can supply you signage.

Step 3. How to control access to different areas of your construction site.

Security guard locking construction site and equipment for safety.

Now that your perimeter is set and your signs are up, you need to control who gains access to your site.

Having a central area where everyone is able to sign in and out from is a good start. This will help you to easily identify who is on site and who left.

Now depending on how thorough you want to be, you could also ask everyone to include where they're working or who they're meeting with. This adds additional accountability for an problems that may happen.

Another part of your access control plan should be how to limit access to valuable or dangerous materials. Make sure that these items can only be accessed by approved personnel only, as to limit

Step 4: Hiring security guard services VS. hiring security monitoring services.

For an additional layer of protection you may want to consider investing in a private security guard service or remote video monitoring.

Security guards patrolling construction site and submitting electronic reports.

Security guard services

Hiring a security guard company can be a costly investment, but they do provide the best protection against any potential security threats.

Since security guards are always patrolling and constantly moving, they are a highly visible deterrent. But besides patrolling, security guards can also conduct numerous duties such as access control, contractor escorts, temperature/pressure monitoring and much more which makes them a very valuable asset to any security plan.

Benefits of security guard services

  • Ability to patrol and investigate all areas of your site.

  • Immediate interference and disruption of criminal activity.

  • Capable of conducting a variety of additional duties.

  • Provide access control to after hour workers.

  • Higher level of protection against illegal action.

Disadvantages of security guard service

Remote video monitoring

Security cameras on a construction site.

Investing in a remote video monitoring service is a cost effect security solution that provides different security benefits.

If an unauthorized person gains access to your site, your remote video monitoring service will usually contact the police. On average it takes 90 seconds for emergency services to be contacted and given enough information to respond. The average response time varies between each city, but they aim for a 15 minute response time to emergency calls and 35 minutes for non-emergency calls.

During that time a criminal is able to steal or vandalize your site which could end up costing thousands.

Benefits of remote video monitoring

  • Cost effective security solution.

  • Able to record all activity on your site.

Problems with remote video monitoring

  • Slower response time to criminal activity.

  • Unable to intervene and stop criminal activity before damages are done.

  • Possibility of camera and system failure which leads to an unsecure site.

  • Cannot see hard to reach areas.

  • Can be easily manipulated or destroyed.

At Ontario Provincial Security Services we understand the unique challenges that all construction sites face when it comes to safeguarding your project. With our security guard services we aim at maximizing your protection so that your project runs on time and without any additional costs added from illegal activity.

If you'd like to talk about your construction site security requirements, please visit us at or you can send us a message at

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