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General Contractor Contractors in Ontario

310 listed general contractor contractors across 37 cities. Compare listings and find the right pro.

Hiring GuideLicensing, questions to ask, red flags
Cost Guide2026 pricing, factors, tips to save

General Contractor Contractors by City

Hiring a General Contractor in Ontario

Avg Job Value

$15,000

Peak Season

Year-round

What to Look For

  • WSIB and liability insurance
  • Detailed contract with payment schedule
  • Established sub-contractor relationships

Tips Before You Hire

  • 1.Verify they pull all required permits
  • 2.Ask for a detailed timeline with milestones
  • 3.Never pay more than 10% upfront deposit

General Contractor Cost Guide — Ontario (2026)

Typical price ranges for general contractor work in Ontario. Get at least 3 quotes to compare.

Kitchen Remodelcomplete
$15,000$35,000$75,000
Bathroom Remodelcomplete
$8,000$18,000$35,000
Basement Finishcomplete
$20,000$40,000$70,000
Additionper square foot
$150$250$400

Prices in CAD. Based on typical Ontario contractor quotes, 2026. Actual costs vary by scope, materials, and access.

General Contractor Licensing in Ontario

Required Licence

No single mandatory license, but must comply with OBC

General contractors should carry comprehensive liability insurance, WSIB, and pull all required permits. For new home construction, must be registered with Tarion.

Red Flags to Watch For

  • No WSIB
  • No liability insurance
  • Won't pull permits
  • Not Tarion registered for new builds
  • No written contract

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Frequently Asked Questions — General Contractor Contractors

How many general contractor contractors are in the directory?
Our directory lists 310 listed general contractor contractors across 37 cities in Ontario.
Do general contractor contractors need a licence in Ontario?
No single mandatory license, but must comply with OBC. General contractors should carry comprehensive liability insurance, WSIB, and pull all required permits. For new home construction, must be registered with Tarion.
How much does general contractor work cost in Ontario?
Costs vary by project and location. Kitchen Remodel: $15,000-$75,000 (complete). Bathroom Remodel: $8,000-$35,000 (complete). Basement Finish: $20,000-$70,000 (complete). Get at least 3 quotes.
How do I find a good general contractor contractor?
Check Google reviews, verify WSIB coverage at wsib.ca, confirm they pull required permits, get 3 written quotes, and never pay more than 10-15% deposit upfront.
Do general contractors need to be registered with Tarion in Ontario?
Yes, if building new homes or condos. Tarion registration is mandatory for new residential construction in Ontario. For renovations, there's no mandatory licence, but the contractor should carry liability insurance, WSIB, and pull all required permits.
What is the 10% holdback rule in Ontario construction?
Under Ontario's Construction Act, you have the right to hold back 10% of each payment for 60 days after substantial completion. This protects you from subcontractor liens. Never waive this right — it's your strongest protection.
How long does a kitchen renovation take in Ontario?
A typical kitchen renovation takes 6-12 weeks from demolition to completion. This includes 1-2 weeks demo, 2-3 weeks rough-in (plumbing, electrical), 1-2 weeks drywall/flooring, and 2-3 weeks cabinets, countertops, and finishing. Permit approval adds 2-4 weeks upfront.

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