👷 Mr General Contractor & Renovations Toronto
General ContractorToronto
Checking owner claim…Phone and website on file
How to Hire a General Contractor Contractor in Ontario
General contractors in Ontario coordinate entire renovation or construction projects — hiring and managing subcontractors, pulling permits, and ensuring Ontario Building Code compliance. For new home construction, GCs must be registered with Tarion Warranty Corporation. For renovations, verify WSIB, liability insurance, and permit compliance.
This selection shows 3 businesses. Confirm that a business offers what you need.
6M Contracting Ltd.
General ContractorFort Erie
Checking owner claim…Phone and website on file
Accubuilt Construction
General ContractorWhitby
Checking owner claim…Phone and website on file
Check the qualifications that matter for your work
Ask what qualifications, insurance and approvals are relevant to your particular job. Verify the details with the issuing organisation. Being listed here is not a licence check or an endorsement.
When to Hire a General Contractor Contractor
- You're planning a kitchen or bathroom renovation
- You want to finish your basement
- You're building an addition or converting a garage
- Your project involves multiple trades (plumbing + electrical + framing)
- You need someone to manage permits and inspections
- You're building a new home or major structure
Timeline: Kitchen remodel takes 4-8 weeks. Bathroom remodel takes 2-4 weeks. Basement finishing takes 6-12 weeks. Home addition takes 3-6 months.
General Contractor Costs in Ontario (2026)
Kitchen Remodel$15,000 — $75,000
complete
Bathroom Remodel$8,000 — $35,000
complete
Basement Finish$20,000 — $70,000
complete
Addition$150 — $400
per square foot
Prices are approximate for Ontario (CAD). Actual costs vary by city, scope, and season. Always get 3 written quotes.
Questions to Ask Before Hiring
- 1Do you carry WSIB and comprehensive liability insurance?
- 2Are you registered with Tarion (if building a new home)?
- 3Will you pull all required building permits?
- 4Who are your subcontractors and are they licensed for their trades?
- 5What is your project management process (schedules, updates)?
- 6What is the payment schedule tied to milestones?
- 7What warranty do you offer on your work?
Red Flags — When to Walk Away
- No WSIB
- No liability insurance
- Won't pull permits
- Not Tarion registered for new builds
- No written contract
Homeowner Checklist — Before You Hire
- 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
Payment: 10-15% deposit, progress payments tied to milestones, 10% holdback until completion. Ontario's Construction Act provides a 10% holdback right on construction projects.
Best Time to Hire a General Contractor Contractor
springMarch — May
Spring is peak booking season. Contact contractors in February for the best availability.
summerJune — August
Summer is the busiest season. Prices are highest and wait times longest. Book early.
fallSeptember — November
Fall is the sweet spot — contractors are less busy, prices drop, and you prepare for winter.
winterDecember — February
Winter is off-season for exterior work. Interior renovations get the best prices and fastest timelines.
How to Verify a General Contractor Contractor in Ontario
WSIB Safety Check
Free online tool to verify any contractor's WSIB coverage status.
Workplace Safety and Insurance Board (WSIB)
Verify contractor WSIB coverage before hiring — protects you from liability
Home Construction Regulatory Authority (HCRA)
New home builder licensing. Search 7,000+ licensed builders in the Ontario Builder Directory.
Tarion Warranty Corporation
New home warranty. Verify builders are registered with Tarion.
Ontario Building Code
Building code requirements for construction and renovation in Ontario
Consumer Beware List
Searchable list of businesses with unresolved consumer complaints in Ontario.
Frequently Asked Questions — Hiring a General Contractor in Ontario
- How are listings ordered?
- Owner-claimed listings come first, then profile completeness and name. Sponsored placements are labelled and do not change the organic order.
- Does a listing mean NSO endorses a business?
- No. Check that the business offers what you need. Ask about relevant qualifications, insurance and licensing, and confirm those details with the business or issuing organisation.
- How do I compare options?
- Read the recorded business details, ask about availability and request a quote for your actual requirements. Confirm the scope and price before booking.
- What if a business is missing or its details are wrong?
- Use Add a missing business or Claim an existing listing. These are reviewed requests; they do not automatically publish a record or verify ownership.
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Ready to Find a General Contractor Contractor?
Browse 348 listed general contractor contractors in our directory. Read the recorded business details and confirm your requirements.