ARTICLE
9 June 2025

The Hidden Dangers Of Online Construction Lien Registrations: Why Legal Advice Is Crucial

TS
Tierney Stauffer LLP

Contributor

For over 40 years, Tierney Stauffer LLP has worked with clients in the greater Ottawa area providing professional and affordable service. In the last 10 years, we have opened locations in Cornwall, Kingston, and North Bay. We pride ourselves on our high level of experience and integrity throughout all of our client interactions and our determination in providing reliable legal advice and representation. All of our lawyers strive to meet a high standard of excellence and our achievement of these standards is clearly reflected in our decades of success. We have built and maintained a loyal client base due in part to our honest and affordable approach to files as well as our dedication and determination to fight for our clients every step of the way.

In recent years, a growing trend has emerged where construction lien registrations are conducted through an online "do-it-yourself" platform.
Canada Ontario Real Estate and Construction

In recent years, a growing trend has emerged where construction lien registrations are conducted through an online "do-it-yourself" platform. Marketed as an "inexpensive and easy" way to file a construction lien against a property, these platforms may seem like a quick fix for contractors, subcontractors, and suppliers looking to secure payment. However, navigating this process without proper legal guidance can lead to significant legal complications, some of which could have severe financial consequences.

What is a Construction Lien and Why Does it Matter?

A construction lien is a statutory right granted to individuals or entities who have provided services or materials to a construction project and have not received due payment. This lien acts as a charge against the property being improved, giving the claimant a direct legal interest in the property. It's an essential tool for securing payment under construction contracts, but filing it improperly could cost you dearly.

Perils of Online Construction Lien Registrations

The convenience of online platforms can't be denied. However, many of these services adopt a "one-size-fits-all" approach, failing to recognize the specific requirements that vary by province. This is especially problematic in jurisdictions like Ontario, where failure to perfect a lien can lead to its expiration, rendering it invalid. Even worse, property owners often aren't automatically notified when a lien is filed—so, if you're not careful, your lien could expire without anyone even knowing it.

Here are some of the primary risks associated with online construction lien registrations:

  1. Formality Requirements: Get It Right, or It's Invalid

Each province has its own set of legal requirements for filing a lien, and these rules are not interchangeable. In Ontario, for instance, there are several "triggering" events that determine the timeline for registering a lien. These include the termination of a contract, the registration of substantial performance, or the last date services were provided on-site. The specifics depend on factors like the type of construction contract and the relationship between the parties involved.

Failure to meet these requirements means your lien could be deemed invalid. A generic online registration service might not ask the right questions to ensure you're complying with local rules, leaving you exposed to serious risk.

  1. The Risk of Errors: A Minor Mistake Can Derail Everything

According to Section 6 of Ontario's Construction Act, minor errors in lien registrations can sometimes be corrected, but that only applies to technical, non-substantial mistakes. For instance, incorrectly naming the property owner may not be considered a "minor irregularity" and could result in the lien being deemed invalid.

Online platforms often rely on user input, which increases the risk of errors. If you file a construction lien using incorrect documents or miss a key detail, such as the wrong owner name or the wrong triggering event, your lien could be invalidated—and in Ontario, you can't simply refile with corrections. Once a lien is registered, it's a "one-shot deal." To remove a lien, you must release it formally, and that means you cannot refile it to correct any mistakes.

  1. Lack of Legal Advice and Exposure to Litigation

One of the biggest risks of online lien registration services is the absence of professional legal advice. The lien registration process is complex and requires expertise tailored to your specific situation. For example, determining whether the work you performed qualifies as an "improvement" (as defined by the Construction Act) is crucial. A surveyor who completes locates on a property in contemplation of the sale of that property, is not likely deemed to be an improvement. In this case, the surveyor is not entitled to a construction lien for this work.

Without legal counsel, you might mistakenly believe you have a valid lien when, in fact, you don't. Worse still, registering an invalid lien could expose you to a lawsuit for slander of title—a legal claim that could cost you a substantial amount in damages. In some cases, an improperly filed lien could block a property sale, leading to claims for the losses resulting from a failed transaction.

  1. Evolving Legal Landscape: Stay Ahead of the Game

Construction lien laws are constantly evolving, especially through changes in common law and statutory law. A prime example of this is Ontario's 2018 amendments to the Construction Act, which had a significant impact on the lien registration process. These legal shifts can alter the way liens are handled, and staying current on these changes is vital for ensuring your claim is compliant.

Failure to comply with up-to-date regulations can result in delays, increased costs, or the complete invalidation of your lien. To safeguard your interests, it's critical to seek advice from a lawyer who is well-versed in the latest legal developments within your jurisdiction.

Why Legal Advice is Essential for a Valid Lien

Ultimately, while online construction lien registrations may seem like a convenient shortcut, they present a host of risks—particularly when the user isn't fully aware of the intricate legal landscape governing lien claims in their province. The reality is that construction lien laws are specific, nuanced, and ever evolving. Without proper legal guidance, you're gambling with your financial future.

By consulting with a construction lawyer who understands the local requirements, you ensure that your lien is properly filed, reducing the risk of errors, invalidation, or costly litigation. A construction lawyer can also help you navigate the legal complexities, ensuring that your lien is in full compliance with the latest regulations, ultimately preserving your rights and interests.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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