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Construction & Renovation:
Contractor Disputes Including Workmanship Quality Concerns, Among Other Issues
Last Updated: August 22 2026
Question: What should Ontario property owners know about defective workmanship disputes with contractors in Small Claims Court?
Answer: In Ontario, defective workmanship disputes with contractors often end up in Small Claims Court, where claims against one plaintiff have a $35,000 limit per action, and allegations usually involve incomplete work, poor quality workmanship, and the value of the properly completed portion. These cases usually turn on documented timelines and written contract terms, plus evidence from independent site inspections and reports explaining whether the work met trade standards or contract specifications. The Theresa Forrest, Paralegal paralegal team helps property owners and contractors assess likely claims such as defective workmanship, quantum meruit for partial work, consumer-related issues where applicable, and mitigation steps before filing or responding. Get practical next steps and an options review by calling (519) 902-4223.
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Common Disputes Affecting Contractors
Legal cases wherein the issue in dispute involves a property owner and a contractor are very common. In the Small Claims Court, disputes between a property owner and a contractor are an almost everyday occurrence. It is common that the allegations in construction law cases will involve a property owner alleging defective work or incomplete work and the contractor alleging failure of payment due.
Note: Please contact Theresa Forrest, Paralegal by phone at: (519) 902-4223 to discuss any specific questions that you may have.
Challenges
Construction law cases can be very challenging to litigate due to the extent of laws involves as well as the extent of evidence usually involved and the need for independent witnesses to inspect and provide expert reports as to what constitutes as proper workmanship and thus whether the trade standards or the contractual specifications for the project were met, valuation of the portion of work properly completed, among other things; and accordingly, even the seasoned legal professional may find construction law cases as burdensome to litigate. These cases are often extra challenging and troublesome due to the conduct of the parties involved and breach of various legal duties occuring prior to the obtaining legal advice.
Additionally, litigation arising from construction or renovation disputes often extends into legal issues beyond allegations of poor quality of work and also include legal issues such as quantum meruit disputes over the value of partially completed work, consumer rights concerns, mitigation requirements, among other issues.
