#1 Rated Contractor in Ontario

Build Better.
Live Better.

Ontario's trusted renovation experts. From roofing and plumbing to finished basements — we transform your home with precision craftsmanship and lasting quality.

Licensed & Insured
Free Estimates
10-Year Warranty
Get a Free Quote View Our Work
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500+ happy homeowners

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Our Services

Everything Your Home Needs

Scroll through our services — each one backed by 15+ years of Ontario craftsmanship.

Plumbing service in Mississauga Ontario by Kontractor
Plumbing

Expert Plumbing, Zero Leaks

From emergency pipe bursts to full bathroom replumbing — our licensed plumbers handle it all with speed and precision.

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01
Superior Roofing service in Mississauga Ontario by Kontractor
Superior Roofing

Weather-Proof Roofing That Lasts

Complete installations, re-shingling, and emergency repairs. We protect your home from Ontario's harshest winters.

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02
Foundation Repairing service in Mississauga Ontario by Kontractor
Foundation Repairing

Solid Foundation, Secure Future

Crack injection, underpinning, and waterproofing to stabilize your home's structural integrity for decades.

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03
Superior Flooring service in Mississauga Ontario by Kontractor
Superior Flooring

Floors That Make a Statement

Hardwood, laminate, tile, vinyl — installed flawlessly by craftspeople who take pride in every plank.

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04
Finished Basement service in Mississauga Ontario by Kontractor
Finished Basement

Unlock Your Home's Hidden Space

Transform raw square footage into a stunning living area — home gym, suite, bar, office, or media room.

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05
Superior Renovation service in Mississauga Ontario by Kontractor
Superior Renovation

Kitchen Renovations That Wow

Complete kitchen overhauls — cabinetry, countertops, plumbing, flooring. Your dream kitchen, built to spec.

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06
Interior Renovation service in Mississauga Ontario by Kontractor
Interior Renovation

Living Spaces Reimagined

Full interior renovations from concept to completion. We handle every trade so you don't have to.

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07
Superior Renovation
Ontario's Premier Renovation Company

Superior Renovation.
Guaranteed.

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Contractor at work
15+
Years Serving Ontario
Team
About Us

Ontario's Trusted
Renovation Partners

For over 15 years, Kontractor Ontario has been transforming homes across the Greater Toronto Area and beyond. We combine modern techniques with old-world craftsmanship to deliver renovations that last a lifetime.

Licensed & Insured

Fully certified by Ontario Building Code with $5M liability coverage on every project.

Expert Craftsmen

A dedicated team of tradespeople with an average of 12+ years of hands-on experience.

On Time, Every Time

We respect your schedule. Projects completed on time or we compensate the difference.

Fast Turnarounds

Efficient workflows and project management mean less disruption to your daily life.

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Our Process

How It Works

Simple, transparent, stress-free. Here's our proven 4-step process.

01

Free Consultation

Book a free in-home consultation. We listen to your vision, assess the space, and understand your budget.

02

Detailed Proposal

Receive a transparent, itemized quote within 48 hours. No hidden costs, no surprises — ever.

03

Expert Execution

Our skilled team gets to work with minimal disruption, keeping you updated at every milestone.

04

Final Walkthrough

We walk through the completed project together. You're only satisfied when you say you are.

Portfolio

Real Homes, Real Results

Browse our completed projects across Ontario. Click any image to view full size.

Modern Kitchen Renovation — Mississauga, ON renovation project by Kontractor Ontario
Featured

Modern Kitchen Renovation

2024

Mississauga, ON

Basement Transformation — Brampton, ON renovation project by Kontractor Ontario

Basement Transformation

2024

Brampton, ON

Full Home Renovation — Toronto, ON renovation project by Kontractor Ontario
Award Winning

Full Home Renovation

2023

Toronto, ON

Exterior & Foundation Repair — Oakville, ON renovation project by Kontractor Ontario

Exterior & Foundation Repair

2024

Oakville, ON

Roof Replacement Project — Hamilton, ON renovation project by Kontractor Ontario

Roof Replacement Project

2024

Hamilton, ON

Hardwood Floor Installation — Vaughan, ON renovation project by Kontractor Ontario

Hardwood Floor Installation

2023

Vaughan, ON

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Testimonials

What Our Clients Say

Don't take our word for it — hear directly from the homeowners we've served.

“Kontractor Ontario completely transformed our basement into a beautiful living space. The team was professional, on time, and the quality exceeded our expectations. Highly recommend!”

Sarah Mitchell
Sarah Mitchell
Homeowner, Mississauga
Basement Renovation

“Had a major roof replacement done and they finished 2 days ahead of schedule. No mess, no fuss. The crew was respectful and the workmanship was top-notch.”

James Okonkwo
James Okonkwo
Homeowner, Brampton
Roofing

“We had foundation cracks that were causing us anxiety for years. The team diagnosed the problem quickly, explained everything clearly, and fixed it permanently. Peace of mind at last.”

Linda Park
Linda Park
Homeowner, Toronto
Foundation Repair

“Beautiful hardwood floors throughout our home. They were careful with our furniture, cleaned up every day, and the result looks absolutely stunning. 10/10!”

David Thompson
David Thompson
Homeowner, Oakville
Flooring

“Our bathroom plumbing was a disaster. Kontractor Ontario fixed everything within a day and also spotted potential future issues. Saved us thousands in the long run.”

Maria Santos
Maria Santos
Homeowner, Hamilton
Plumbing

“The waterproofing service was exceptional. Our basement used to flood every spring — not anymore. Professional, thorough, and they stand by their work with a real warranty.”

Chris Nguyen
Chris Nguyen
Homeowner, Vaughan
Waterproofing
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Ready to Transform Your Home?

Get Your Free Quote
Today

No obligation, no pressure. Just an honest assessment and a transparent quote from Ontario's most trusted renovation team.

Request Free Quote (647) 406-8896
Get In Touch

Start Your Project

Fill out the form and we'll get back to you within 24 hours with a free, no-obligation estimate.

Contact Information

Address
180 Forum Dr, Mississauga, ON L4Z 3Y2

Business Hours

Monday – Friday 7:00 AM – 7:00 PM
Saturday 8:00 AM – 5:00 PM
Sunday Emergency only