Warning Signs
The most common contractor red flags in Ontario — protect yourself from scams, unlicensed operators, and shoddy work.
TRADES
11
GUIDES
11+
UPDATED
2026
Plumbers
Warning signs for plumbers in Ontario
Electricians
Warning signs for electricians in Ontario
HVAC Contractors
Warning signs for hvac contractors in Ontario
Roofers
Warning signs for roofers in Ontario
Drywallers
Warning signs for drywallers in Ontario
General Contractors
Warning signs for general contractors in Ontario
Kitchen Remodeling
Warning signs for kitchen remodeling in Ontario
Bathroom Remodeling
Warning signs for bathroom remodeling in Ontario
Pest Control
Warning signs for pest control in Ontario
Tree Service
Warning signs for tree service in Ontario
Landscaping
Warning signs for landscaping in Ontario