Construction & Renovation: Contractor Disputes Including Workmanship Quality Concerns, Among Other Issues

Question: What are the most common disputes between a property owner and a contractor in Ontario?

Answer: In Ontario, the most common contractor disputes involve allegations of defective or incomplete work, disagreements over whether trade standards or contract specifications were met, and non-payment or holdback issues, often requiring detailed records (scope, change orders, invoices, photos, timelines) and sometimes independent inspections to clarify what was properly completed and valued.  Because this is legal information and not legal advice, Success.Legal™ provides a Legal Profession Ecosystem service in Ontario that helps you organize your situation and connect with appropriate licensed legal professionals for next steps.

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.

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 the defective workmanship issues and include legal concerns such as unjust enrichment, consumer protection laws, failures to mitigate, among other concerns.