How Much Does a General Contractor Cost in Markham?
ProScore’s 2026 cost estimates for general contractor services in Markham, GTA, alongside live stats for the 44 general contractors listed on ProScore.
Markham Pricing Context
General Contractor rates in Markham are 18% above the Ontario provincial average. As part of the GTA market, pricing reflects local demand, cost of living, and competition among general contractors in the area.
General Contractor Costs in Markham (2026)
| Service | Price Range |
|---|---|
| Kitchen Renovation | $29,500–$88,500 |
| Bathroom Renovation | $11,800–$41,300 |
| Basement Finish | $35,400–$88,500 |
| Home Addition (per sq ft) | $175–$415 |
| Deck Build | $5,900–$23,600 |
| Full Home Renovation | $118,000–$354,000 |
| Garage Build | $29,500–$70,800 |
| Permit & Design (typical) | $2,360–$9,440 |
ProScore estimate, figures as of February 24, 2026. Ontario-wide ranges compiled by ProScore — not measured from ProScore listings, contractor quotes, or a pricing survey. Adjusted for Markham by ProScore’s curated modifier of 1.18 (18% above the Ontario average). Actual costs vary by project scope, materials, and contractor.
Licensing in Markham
Ontario does not require a general contractor licence, which makes verification even more important. Look for WSIB registration, liability insurance, and a track record of completed projects. Verify credentials at HCRA (new homes and major additions).
Frequently Asked Questions
How much does a general contractor cost in Markham?
General Contractors in Markham typically charge 10–20% of total project cost. Markham rates are 18% above the Ontario average — see the Markham price table above for typical project ranges.
How many general contractors does ProScore list in Markham?
ProScore tracks 44 general contractors in Markham with an average ProScore score of 62.
Should I get multiple quotes in Markham?
Always get 2–3 quotes for jobs over $500. Use ProScore to compare ProScore scores for general contractors in Markham.
Are general contractors in Markham licensed?
Ontario does not require a general contractor licence, which makes verification even more important. Look for WSIB registration, liability insurance, and a track record of completed projects.
Related Guides
Compare General Contractors in Markham
Browse 42 scored general contractors with ProScore scores and multi-platform ratings.