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Understanding Construction Liens: A Complete Guide for Alberta

  • Jul 20, 2025
  • 4 min read

Updated: Jul 21, 2025

Construction projects can be exciting, but they can also be complicated. One of the most important aspects to understand is the concept of construction liens. If you are a contractor, subcontractor, or property owner in Alberta, knowing about construction liens is crucial. This guide will help you navigate the ins and outs of construction liens, ensuring you are well-informed and prepared.


Construction liens are legal claims against a property. They are used to secure payment for work done or materials supplied. If a contractor or supplier does not get paid, they can file a lien against the property. This can create significant issues for property owners, as it can prevent them from selling or refinancing their property until the lien is resolved.


In this guide, we will cover the following topics:


  • What is a construction lien?

  • Who can file a construction lien?

  • The process of filing a construction lien

  • How to remove a construction lien

  • Common misconceptions about construction liens


By the end of this post, you will have a solid understanding of construction liens in Alberta and how they can impact your construction projects.


What is a Construction Lien?


A construction lien is a legal right that allows contractors, subcontractors, and suppliers to claim a property if they are not paid for their work or materials. This claim is registered against the property title, which means it can affect the owner's ability to sell or refinance the property.


In Alberta, construction liens are governed by the Prompt Payment and Construction Lien Act. This act outlines the rights and responsibilities of all parties involved in a construction project. It is essential to understand this act to protect your interests, whether you are a contractor or a property owner.


Key Features of Construction Liens


  • Legal Claim: A construction lien is a legal claim against a property.

  • Secures Payment: It is used to secure payment for work done or materials supplied.


  • Registered Against Property: The lien is registered against the property title, affecting the owner's ability to sell or refinance.


  • Time-Sensitive: There are strict timelines for filing a lien, which we will discuss later.


Who Can File a Construction Lien?


Not everyone can file a construction lien. In Alberta, the following parties are eligible:


  • Contractors: General contractors who have a direct contract with the property owner.


  • Subcontractors: Those who have a contract with the general contractor or another subcontractor.


  • Suppliers: Companies or individuals who provide materials or equipment for the project.


  • Laborers: Workers who are hired directly by contractors or subcontractors.


It is important to note that anyone who has not been paid for their work or materials can file a lien, but they must follow the proper procedures outlined in the Act.




Important Timelines


  • Filing Deadline: In Alberta, you must file your lien within 60 days of the last day you provided services or materials.


  • Notice to Owner: You must serve notice to the property owner.


  • Enforcement: If the lien is not resolved, you may need to enforce it in court within 180 days of filing.


How to Remove a Construction Lien


Removing a construction lien can be a complex process, but it is essential for property owners who want to sell or refinance their property. Here are the steps to remove a lien:


  1. Pay the Debt: The simplest way to remove a lien is to pay the debt owed to the contractor or supplier. Once payment is made, the lien can be discharged.


  2. Negotiate a Settlement: If you cannot pay the full amount, consider negotiating a settlement with the lien claimant. This may involve paying a reduced amount or setting up a payment plan.


  3. File a Discharge: If the debt is paid or settled, the lien claimant must file a discharge of the lien with the Land Titles Office. This document officially removes the lien from the property title.


  4. Challenge the Lien: If you believe the lien is invalid, you can challenge it in court. This process can be lengthy and may require legal assistance.


Example Scenario


Imagine you are a property owner who hired a contractor to renovate your home. The contractor completes the work, but you have not paid them yet. If the contractor files a lien against your property, you will not be able to sell or refinance until the lien is resolved. To remove the lien, you can pay the contractor or negotiate a settlement. If you believe the lien is unjustified, you can challenge it in court.





Final Thoughts


Construction liens are a vital part of the construction process in Alberta. Whether you are a contractor seeking payment or a property owner wanting to protect your investment, understanding how liens work is essential.


By knowing the rules and procedures surrounding construction liens, you can avoid potential pitfalls and ensure that your construction projects run smoothly. Always remember to keep accurate records, communicate openly with all parties involved, and seek legal advice if needed.


With this knowledge, you can confidently manage your construction projects and protect your rights.

 
 
 

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