Construction Liens in Alberta: What Property Owners Need to Know Before a Dispute Escalates

Construction projects rarely proceed exactly as planned. Disputes over payment, delays, deficiencies, or change orders can arise quickly, and one of the most powerful tools available to contractors, subcontractors, and suppliers is the registration of a construction lien against the property.

For many property owners, receiving notice of a lien can be alarming. However, understanding your rights and obligations under Alberta’s Prompt Payment and Construction Lien Act is critical to protecting your investment and responding effectively.

A construction lien is a statutory claim registered against land by a party alleging that it has not been paid for work performed or materials supplied to an improvement. Importantly, a lien does not automatically establish that money is owed. Rather, it serves as security for the claimant’s alleged debt until the underlying dispute is resolved.

When Must a Lien Be Registered?

One of the most common misconceptions is that a lien can be registered whenever an invoice remains unpaid. That is not the case.

Under Alberta law, strict limitation periods apply. In most circumstances, a lien must be registered within 60 days after the last day that work was performed or materials were supplied to the project. Certain oil and gas-related projects may be subject to different timelines.

Failing to register within the prescribed period can invalidate the lien, regardless of the merits of the underlying payment dispute.

Because lien rights are strictly governed by statute, courts generally require substantial compliance with legislative requirements.

Alberta’s Prompt Payment Regime

Many industry participants are surprised to learn that prompt payment obligations and lien rights are separate legal concepts.

The Prompt Payment and Construction Lien Act generally requires owners to pay a proper invoice within 28 days unless a written notice of dispute is issued within 14 days. While these prompt payment provisions were introduced to improve cash flow within the construction industry, they do not eliminate or replace lien rights.

As a result, parties may find themselves dealing with both prompt payment issues and lien claims simultaneously.

What Can a Property Owner Do If a Lien Is Registered?

A registered lien does not mean a property owner is without options. Depending on the circumstances, owners may be able to:

1. Remove the Lien by Posting Security

A lien can often be discharged from title by paying security into court or providing other acceptable security. This allows the property to be sold, refinanced, or otherwise dealt with while the dispute continues separately.

2. Require the Claimant to Act

A property owner may serve a Notice to Commence Action, which can significantly shorten the time available to enforce the lien. If the claimant does not take the required steps within the statutory period, the lien may expire.

3. Challenge an Invalid or Defective Lien

Not every lien is enforceable. A lien may be vulnerable to challenge if:

• It was registered outside the limitation period;
• The lien amount is materially overstated;
• The claimant does not qualify for lien rights under the legislation; or
• The registration contains significant defects.

Early legal review can often identify potential grounds for discharge.

4. Rely on Holdback Protections

Alberta’s construction legislation requires owners to maintain a statutory holdback, typically 10% of the value of work completed. Properly administered holdbacks can significantly reduce exposure to lien claims and provide important protection against multiple competing claims.

Why Early Legal Advice Matters

Construction lien disputes often involve overlapping contractual, statutory, and procedural issues. Delays in responding can affect financing arrangements, project timelines, future sales, and litigation strategy.

Whether you are a homeowner, developer, contractor, or commercial property owner, obtaining timely advice can help preserve your rights, minimize risk, and avoid costly mistakes.

Final Thoughts

A construction lien is not necessarily proof that money is owed, nor does it mean a dispute cannot be resolved efficiently. However, because lien rights are governed by strict statutory deadlines and procedural requirements, prompt action is essential.

If a lien has been registered against your property—or if you are concerned that one may be filed—obtaining legal advice at an early stage can help you understand your options and develop a strategic response before the situation escalates.

At Osuji & Smith Lawyers, we have excellently experienced lawyers to assist you navigate your concerns.