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Construction & Renovation:
Contractor Disputes Including Workmanship Quality Concerns, Among Other Issues
Last Updated: July 05 2026
Question: How can a contractor or homeowner respond to a Small Claims Court lawsuit that claims poor workmanship after a construction or renovation dispute in Ontario?
Answer: Lo Greco Law can help you assess the strength of both the payment claim and any counterclaim about quality of work in Ontario Small Claims Court, including what evidence will matter (such as workmanship documentation and any independent inspection report), how quantum meruit and the value of partially completed work may be argued, and what mitigation or related issues could affect damages. With 30+ year experienced lawyer services and LSO tribunal representation, Lo Greco Law helps you plan next steps, respond strategically to allegations, and prepare for contested proceedings so you can protect your rights and manage risk in construction and renovation disputes across Ontario. Call (416) 488-4110 to book a consultation and get started today.
Common Disputes Affecting Contractors
Court disputes between a property owner and a contractor hired for a construction or renovation project frequently arise. In some courts, especially the Small Claims Court, cases involving contractors and homeowners are prevalent. In such cases it is common that a property owner will accuse a contractor of poor quality work; and in turn, the contractor accuses the property owner of failure of payment.
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.
