Even careful homeowners can end up with a bad contractor. Warning signs during construction include: work has stopped with no explanation or timeline for resumption, quality of workmanship is visibly poor (uneven surfaces, sloppy finishes, misaligned elements), the contractor is unreachable or non-responsive to calls and messages, the project is significantly behind schedule with no clear plan to catch up, the contractor is requesting additional payments not tied.
Even careful homeowners can end up with a bad contractor. Warning signs during construction include: work has stopped with no explanation or timeline for resumption, quality of workmanship is visibly poor (uneven surfaces, sloppy finishes, misaligned elements), the contractor is unreachable or non-responsive to calls and messages, the project is significantly behind schedule with no clear plan to catch up, the contractor is requesting additional payments not tied to completed milestones, subcontractors are complaining about non-payment (a serious red flag for potential liens), work doesn't match what was specified in the contract, and the contractor has abandoned the project. If you're experiencing any of these issues, act quickly. The longer you wait, the harder it becomes to resolve the situation and the more money you may lose.
Before taking any action, document the current state of your project thoroughly: Photograph and video everything. Take photos of all completed work, incomplete work, and any deficiencies. Include wide shots showing context and close-ups showing specific problems. Date-stamp all photos. Gather all written communication. Emails, text messages, letters, and notes from conversations. Print or screenshot text messages before they're deleted. Compile all financial records. Copies of signed contract, all payment receipts (cheques, e-transfers, credit card statements), and change orders. Create a timeline. Document when work started, what was completed on which dates, when problems began, and all attempts to resolve issues. Get an independent assessment. Hire another contractor ($200–$500) to assess the current state of work, identify deficiencies, and estimate the cost to complete or correct the project. This assessment becomes critical evidence if you pursue legal action.
Put your concerns in writing and send them to the contractor via email and registered mail: Be specific about the problems. List each deficiency or breach of contract with reference to the relevant contract clause. Set a reasonable deadline. Give the contractor a specific date to respond and/or remediate the issues. 7–14 business days is generally considered reasonable. State the consequences. Clearly communicate what you will do if the issues aren't resolved — withhold further payment, hire another contractor to complete the work, file a complaint, or pursue legal action. Keep the tone professional and factual. Emotional language weakens your position. Stick to facts, dates, contract references, and specific requests. Do NOT make threats you're not prepared to follow through on. And do NOT withhold payment for completed, satisfactory work — only withhold payment for incomplete or deficient work.
If direct communication doesn't resolve the issue, escalate through these channels: Mediation: A neutral third party helps both sides reach an agreement. The Canadian Dispute Resolution Corporation and local mediation services offer construction mediation. Cost: $500–$2,000. Success rate is high for disputes where both parties participate in good faith. Better Business Bureau complaint: Filing a BBB complaint creates a public record and often motivates resolution. The BBB mediates between parties. No cost to file. Ontario Consumer Protection: File a complaint with the Ministry of Government and Consumer Services if the contractor has violated consumer protection laws. The Ministry can investigate and take enforcement action. Small Claims Court (for disputes up to $35,000): You can represent yourself in Small Claims Court without a lawyer. Filing fee is $102–$227. The process takes 3–6 months. Bring your documentation, contract, and independent assessment. Superior Court (for disputes over $35,000): For larger claims, a construction lawyer ($200–$400/hour) can advise on your options and represent you. Construction litigation is expensive and time-consuming — exhaust other options first.
If you need to hire a new contractor to complete or correct the work, follow these steps: Terminate the existing contract properly. Follow the termination clause in your contract. If there's no termination clause, send written notice of termination citing breach of contract (unfinished work, abandonment, deficient quality). Keep records of all communication. Protect against construction liens. Under Ontario's Construction Act, subcontractors and suppliers who weren't paid by your contractor can file liens against your property. If you have any reason to believe subcontractors weren't paid, consult a construction lawyer immediately about lien protection strategies. Get multiple quotes for completion. Completing another contractor's work is often more expensive than starting fresh because the new contractor must assess and potentially redo existing work. Get 3+ quotes and explain the situation honestly. Don't rush the hiring process. Use the same due diligence process (verify insurance, check references, get detailed contracts) for the replacement contractor. Rushing to fix the problem can lead to the same mistakes. Learn from the experience. Whatever shortcuts or oversights led to hiring the bad contractor, address them in your next hiring process. More thorough vetting, a better contract, and a more structured payment schedule will prevent recurrence.
The best way to deal with a bad contractor is to never hire one. Key prevention strategies: Always verify insurance and WSIB coverage directly — not just by looking at certificates the contractor provides. Always check references from recent Ottawa projects and actually follow up with them. Always get a detailed written contract before any work or payments begin. Never pay more than 10–15% upfront. Always tie payments to completed milestones, not dates. Trust your instincts. If something feels off during the quote process, it will likely be worse during construction. Check multiple review platforms (Google, HomeStars, BBB) and look for patterns in negative reviews. Verify the business registration through the Ontario business registry. Get 3+ competitive quotes to understand fair market pricing for your project. Use this site's resources — our guides on hiring contractors, reading quotes, and understanding contracts are designed to help Ottawa homeowners make informed decisions.
You can withhold payment for incomplete or deficient work, but you should not withhold payment for satisfactory completed work. Document all deficiencies in writing and reference specific contract clauses. Consult a lawyer for large amounts.
Document everything, send written notice of termination via registered mail, and consult a construction lawyer about lien protection. Then get quotes from 2–3 new contractors to complete the work. File a complaint with the BBB and Ontario Consumer Protection.
Yes. Under Ontario's Construction Act, unpaid subcontractors and suppliers can file liens against your property, even if you paid the general contractor in full. This is why verifying that the contractor pays their subcontractors is important.
Correcting deficient work typically costs 1.5–3x what it would have cost to do it right initially. Tearing out and redoing tile, drywall, or framing adds demolition costs to the original scope. Getting an independent assessment ($200–$500) quantifies the cost.
For disputes under $5,000, Small Claims Court without a lawyer is usually sufficient. For $5,000–$35,000, consult a lawyer ($200–$400/hour for initial advice) but consider representing yourself. For disputes over $35,000, a construction lawyer is recommended.