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General contractors in Oshawa

For a renovation in Oshawa, describe the existing rooms and whether anyone will live in the home during the work.

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6 listed businesses

Contractor directory

Five or more candidate records available; full evidence checks remain underway. Review the service details and unresolved checks shown on each record.

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General contractors

1. Cornerstone Construction

Research evidence score 90/100 · 40 + 30 + 20 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

Home renovations including kitchens, bathrooms, basements and multiple-room projects.

5.0/5 · 1 reviewsHouzz · Review recency unavailable

4.6/5 · 22 reviewsGoogle via Ontario Home Renovations Directory · Review recency unavailable

Service-area evidence · Record checked 2026-11-08

Primary coverage and trade evidence checked; linked review snapshot recorded; credentials unresolved

Service evidence and credentials

Company service-area section explicitly names each listed community and Clarington. Project ratings shown by company are not independent aggregate reviews.

Independent credential and insurance checks unresolved. Company claims require confirmation.

Call 888-404-7383 Website ↗View profile →

General contractors

2. Oakridge Construction Group

Research evidence score 70/100 · 40 + 30 + 0 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

General home, kitchen, bathroom and basement renovations.

Review snapshot pending verification.

Service-area evidence · Record checked 2026-11-08

Primary business page checked; independent reviews and credentials incomplete

Service evidence and credentials

Company footer links basement service pages for each listed community. Company-hosted testimonial is not an independently verified review aggregate.

Independent credential and insurance checks unresolved. Company claims require confirmation.

Call 289-731-2086 Website ↗View profile →

General contractors

3. TM Builds

Research evidence score 70/100 · 40 + 30 + 0 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

Kitchen, bathroom and basement renovations, framing, finish carpentry and exterior projects.

Review snapshot pending verification.

Service-area evidence · Record checked 2026-11-08

Primary business page checked; independent reviews and credentials incomplete

Service evidence and credentials

Company home page explicitly names each listed community. Company-hosted testimonials have no aggregate count or dated independent review snapshot.

Independent credential and insurance checks unresolved. Company claims require confirmation.

Call 705-934-0503 Website ↗View profile →

Drywall contractors · Painting contractors · General contractors

4. Final Finish Renovations

Research evidence score 60/100 · 40 + 20 + 0 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

Boarding, taping, plaster repair, painting and renovations. Useful when a wall repair needs to blend into an existing painted room.

5.0/5 · 97 reviewsHomeStars · Dated review 2026-07-15

Service-area evidence · Record checked 2026-11-08

Primary homepage and Oshawa coverage rechecked; review snapshot and credentials need a fresh check

Service evidence and credentials

Homepage explicitly says it serves homeowners in Oshawa and Durham Region. Footer retains 905-550-0528; the same page also displays 416-710-0622. Confirm the preferred contact number.

HomeStars awards reported by company; confirm insurance and scope.

Call 905-550-0528 Website ↗View profile →

General contractors

5. Henley Contracting Ltd.

Research evidence score 30/100 · 0 + 30 + 0 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

A fit for larger renovations and custom projects. Compare the scope of design services, permit responsibility and change-order terms.

4.8/5 · 50 reviewsGoogle via Ontario Home Renovations Directory · Review recency unavailable

Service-area evidence · Record checked 2026-11-08

Inherited record awaiting a fresh primary-source audit; credential status remains as described below

Service evidence and credentials

Service-area URLs were recorded in the previous research pass. Exact community evidence awaits a fresh check.

Company reports RenoMark, Tarion and WSIB coverage. Confirm current status and HCRA licensing for new-home work.

Call 905-576-9714 Website ↗View profile →

General contractors

6. Ramsauer Renovations

Research evidence score 30/100 · 0 + 30 + 0 + 0 + 0 for area, trade fit, reviews, recency and official credentials.

Kitchens, bathrooms and basement suites, with Oshawa basement examples. Ask for a breakdown of design, permit, allowances and inspection costs.

4.4/5 · 19 reviewsGoogle via Ontario Home Renovations Directory · Review recency unavailable

Service-area evidence · Record checked 2026-11-08

Inherited record awaiting a fresh primary-source audit; credential status remains as described below

Service evidence and credentials

Service-area URLs were recorded in the previous research pass. Exact community evidence awaits a fresh check.

Company reports liability insurance and WSIB coverage. BBB A+ business rating, no accreditation.

Call 647-967-2072 Website ↗View profile →

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Materials	Product specifications, allowances and substitutions
Timing	Start window, work hours and completion milestones
Total price	Taxes, disposal, travel charges and change approvals

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