How Much Does a General Contractor Cost in Oshawa?
ProScore’s 2026 cost estimates for general contractor services in Oshawa, Durham Region, alongside live stats for the 3 general contractors listed on ProScore.
Oshawa Pricing Context
General Contractor rates in Oshawa are 5% above the Ontario provincial average. As part of the Durham Region market, pricing reflects local demand, cost of living, and competition among general contractors in the area.
General Contractor Costs in Oshawa (2026)
| Service | Price Range |
|---|---|
| Kitchen Renovation | $26,250–$78,750 |
| Bathroom Renovation | $10,500–$36,750 |
| Basement Finish | $31,500–$78,750 |
| Home Addition (per sq ft) | $160–$370 |
| Deck Build | $5,250–$21,000 |
| Full Home Renovation | $105,000–$315,000 |
| Garage Build | $26,250–$63,000 |
| Permit & Design (typical) | $2,100–$8,400 |
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 Oshawa by ProScore’s curated modifier of 1.05 (5% above the Ontario average). Actual costs vary by project scope, materials, and contractor.
Licensing in Oshawa
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 Oshawa?
General Contractors in Oshawa typically charge 10–20% of total project cost. Oshawa rates are 5% above the Ontario average — see the Oshawa price table above for typical project ranges.
How many general contractors does ProScore list in Oshawa?
ProScore tracks 3 general contractors in Oshawa with an average ProScore score of 54.
Should I get multiple quotes in Oshawa?
Always get 2–3 quotes for jobs over $500. Use ProScore to compare ProScore scores for general contractors in Oshawa.
Are general contractors in Oshawa 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 Oshawa
Browse 3 scored general contractors with ProScore scores and multi-platform ratings.