Plumbing Contractors in Windsor
6 verified plumbing contractors in Windsor. Compare ratings and reviews.
Plumbing in Windsor — What You Need to Know (2026)
Looking for the best plumbing contractors in Windsor? Our directory lists 6 verified plumbing companies in Windsor, Ontario, ranked by Google reviews and ratings. Compare plumbing contractors near Windsor to find the right fit for your project.
Plumbing Cost in Windsor (2026 Ontario Rates)
Plumbing cost in Windsor varies by project scope, materials, and contractor experience. Ontario rates in 2026 reflect rising material costs and strong demand across the Golden Horseshoe. Get at least three written quotes from plumbing companies in Windsor to ensure competitive pricing. Ask for a detailed breakdown of labour, materials, permits, and cleanup.
What to Look for When Hiring a Plumbing Contractor in Windsor
When hiring a plumbing contractor in Windsor, verify their credentials before signing. Check for WSIB (Workplace Safety and Insurance Board) clearance at wsib.ca, confirm liability insurance coverage of $2 million or more, and ask for references from recent projects in Windsor or nearby communities. Licensed, insured, and Ontario Building Code compliant contractors protect your investment and your property.
Best Time for Plumbing Work in Windsor
Timing matters for plumbing work in Windsor. Ontario's seasonal weather patterns affect both scheduling and pricing. Book your plumbing project during shoulder seasons (spring or fall) for better availability and potential savings. Emergency services are available year-round, though expect premium rates during peak demand periods.
Every plumbing contractor in our Windsor directory has a verified Google Business Profile with real customer ratings and reviews. Our marketing gap analysis helps you identify established companies with strong reputations versus newer entrants that may lack adequate documentation.
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Data from 6 verified Google Business Profiles
Showing 6 of 6 plumbing businesses in Windsor
Windsor Plumbing Co.
Windsor Plumbing Ltd.
Windsor Plumbing Co.
Windsor Plumbing Ltd.
Windsor Plumbing Ltd.
Windsor Pipes Inc.
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Hiring a Plumbing in Ontario
$2,500
Year-round (peak: spring thaw, winter freeze)
What to Look For
- Licensed master plumber on staff
- Emergency response time under 2 hours
- Transparent pricing (no surprise charges)
Tips Before You Hire
- 1.Verify Ontario plumber licence (mandatory)
- 2.Ask about camera inspection for drain issues
- 3.Confirm they pull permits for major work
Plumbing Cost Guide — Windsor (2026)
Typical price ranges for plumbing work in Windsor. Get at least 3 quotes to compare.
Prices in CAD. Based on typical Ontario contractor quotes, 2026. Actual costs vary by scope, materials, and access.
Plumbing Licensing in Ontario
Required Licence
Ontario College of Trades — Licensed Plumber (306A)
Plumbing is a compulsory trade in Ontario — must be licensed.
Red Flags to Watch For
- No license number
- Won't pull permits
- No WSIB
- No written quote
Windsor Homeowner Resources
Official municipal links for permits, bylaws, and services
Ontario Contractor Verification
Verify licences, insurance, and credentials before hiring
What to Book This Season
March — May in Windsor
Spring is peak booking season. Contact contractors in February for the best availability.
Before You Hire a Contractor in Windsor
- Get at least 3 written quotes for comparison
- Verify WSIB clearance certificate (protects YOU from liability)
- Check Google reviews AND ask for local references
- Confirm they will pull all required permits
- Never pay more than 10-15% deposit upfront
- Get everything in writing — scope, timeline, payment schedule
- Verify their business insurance is current
- For regulated trades (electrical, plumbing, gas), verify their license number
Ontario law: Ontario's Construction Act provides a 10% holdback right on construction projects. Learn more
Frequently Asked Questions — Plumbing in Windsor
- How many plumbing contractors are in Windsor?
- There are currently 6 verified plumbing contractors listed in Windsor, Ontario in our directory.
- Do plumbing contractors need a licence in Ontario?
- Ontario College of Trades — Licensed Plumber (306A). Plumbing is a compulsory trade in Ontario — must be licensed.
- Do I need a building permit for plumbing work in Windsor?
- Most plumbing work in Windsor may require permits from the local building department. Your contractor should handle the permit process. Always confirm permits are included in your quote.
- How much does plumbing work cost in Windsor?
- Plumbing costs in Windsor vary by project. Water Heater: $1,200-$3,500 (installed). Bathroom Rough In: $3,000-$8,000 (complete). Get at least 3 quotes to compare.
- How do I verify a plumbing contractor's insurance in Windsor?
- Request a current Certificate of Insurance and verify WSIB (Workplace Safety and Insurance Board) coverage at wsib.ca. This protects you from liability if a worker is injured on your property.
- How much does a plumber charge per hour in Ontario?
- Licensed plumbers in Ontario typically charge $110-$145/hour, with rates of $200-$350/hour for emergency calls (evenings, weekends, holidays). Always get a flat-rate quote for specific jobs rather than agreeing to hourly billing.
- Do I need a permit for plumbing work in Ontario?
- Most plumbing work that alters your water supply or drainage system requires a permit from your local building department. This includes new bathrooms, kitchen relocations, and water heater installations. Your licensed plumber should handle the permit.
- Should I repair or replace my water heater?
- Tank water heaters last 10-15 years. If yours is over 10 and needs a major repair ($500+), replacement is usually more cost-effective. A new tank water heater costs $1,200-$1,800 installed; tankless units run $2,500-$4,000 but last 20+ years.
- What is the average plumbing cost in Ontario in 2026?
- Average plumbing costs in Ontario in 2026: service call $150-$250, drain clearing $150-$400, faucet installation $200-$450, toilet installation $250-$500, water heater installation $1,200-$4,000, bathroom rough-in $3,000-$6,000. Prices vary by region — GTA is 15-20% higher than Niagara.
- How much does it cost to unclog a drain in Ontario?
- Drain unclogging in Ontario costs $150-$400 for standard snaking. Camera inspection runs $200-$400 extra. Hydro-jetting (for severe blockages) costs $350-$600. Main sewer line clogs can run $300-$800. Emergency or after-hours calls add $150-$250.
- How much does toilet installation cost in Ontario?
- Toilet installation in Ontario costs $250-$500 for a standard replacement (labour + materials). Upgrading to a low-flow toilet may qualify for municipal rebates ($50-$100). If the flange or subfloor needs repair, add $200-$500. Rough-in for a new toilet location costs $1,500-$3,000.
- How do I find a licensed plumber in Ontario?
- Licensed plumbers in Ontario hold a Certificate of Qualification (C of Q) from the Ontario College of Trades. Ask for their licence number and verify at ontario.ca/skilled-trades. Also check for liability insurance ($2M+), WSIB coverage, and positive Google reviews.
- What plumbing work requires a licensed plumber in Ontario?
- Ontario law requires a licensed plumber for: water supply line installation/repair, drainage system modifications, water heater installation, gas line connections, backflow prevention, and any work requiring a building permit. Homeowners can do basic repairs (faucet washers, toilet flappers).
- How much does a kitchen or bathroom renovation plumbing cost?
- Plumbing for a kitchen renovation in Ontario costs $2,000-$5,000 (new sink, dishwasher, gas line). A bathroom renovation runs $3,000-$8,000 depending on scope. Moving fixtures to new locations adds significantly — expect $1,000-$2,000 per fixture relocation.
- What causes frozen pipes in Ontario and how do I prevent them?
- Pipes freeze when exposed to prolonged temperatures below -7°C, common in Ontario winters. Prevent by insulating exterior pipes, keeping cabinet doors open on cold nights, maintaining minimum 13°C heat, and ensuring proper air sealing. If pipes freeze, call a plumber — never use a torch.
- How much does sump pump installation cost in Ontario?
- Sump pump installation in Ontario costs $800-$2,500 for a standard pit and pump. Battery backup systems add $500-$1,000 (essential for Ontario storm power outages). Annual maintenance ($100-$200) extends pump life. Replace every 7-10 years.
- Does my Ontario home need a backflow prevention device?
- Many Ontario municipalities (including Niagara, Hamilton, and Toronto) require backflow prevention devices to protect the water supply. Installation costs $300-$1,500 depending on type. Annual testing ($100-$200) is mandatory. Check your municipal bylaws.
- How much does a tankless water heater cost in Ontario?
- A tankless water heater installed in Ontario costs $2,500-$5,000. They use 30-50% less energy than tank heaters, last 20+ years, and never run out of hot water. Larger homes may need multiple units. Gas models require proper venting — ensure your plumber sizes it correctly.
- What is the best time to schedule plumbing work in Ontario?
- Fall (September-November) is the best time for non-emergency plumbing in Ontario — contractors are less busy after summer renovation season, and you can prepare pipes for winter. Avoid January-February (emergency season) and May-June (peak renovation demand) for the best rates.
- Should I get a plumbing inspection before buying a home in Ontario?
- Absolutely. A plumbing inspection ($200-$500) can reveal hidden issues like polybutylene pipes (common in 1980s Ontario homes, prone to failure), galvanized steel pipes (corrosion), foundation leaks, and sewer line damage. This can save $5,000-$30,000 in surprise repairs.
- How much does emergency plumbing cost in Ontario?
- Emergency plumbing in Ontario costs $250-$600+ for the call, plus parts. After-hours rates (evenings, weekends, holidays) are typically 1.5-2x standard rates. Common emergencies: burst pipe repair ($300-$800), sewage backup ($400-$1,200), water heater failure ($300-$600 for repair).
- What is the Ontario Building Code requirement for plumbing?
- The Ontario Building Code (OBC) Part 7 covers plumbing requirements including pipe sizing, venting, drainage, fixture counts, and water conservation. All plumbing work requiring a permit must comply with OBC and be inspected. Your licensed plumber should handle code compliance.
- Can I install a water softener myself in Ontario?
- While not strictly requiring a licence for basic installation, connecting a water softener to your plumbing system is best done by a licensed plumber to ensure code compliance, proper bypass valve installation, and warranty coverage. Professional installation costs $200-$500 plus the unit ($800-$2,500).