Home Renovation Toronto- Quality Built With Accountability

Onyx Construction helps homeowners bring their ideas to life through complete basement renovations, custom homes, kitchens, additions, and general construction  delivered with reliable communication and workmanship.

License & Warranty

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About Onyx Construction & Renovation Contractor Toronto

Renovation work with clear ownership from the first conversation.

Onyx Construction is a General Contracting company with 14 years of experience in the construction industry. Your satisfaction is our business we back every job with a written warranty, and we’re fully licensed and insured.

We’re a team of experienced construction professionals who tailor our services to each customer’s specific needs. Based in the GTA, Onyx Construction partners with homeowners to build a renovation plan that fits their project’s scope, timeline, and budget managing every phase from foundation to finishing touches. Whether it’s a full home renovation or a single-room remodel, our contractors bring the experience to get it done right.

Core Services

Toronto Home Renovation and construction services

Luxury Custom Homes

Custom home builders in Toronto and the GTA, designing luxury homes with premium exterior finishes, energy-efficient construction, and smart-home integration from foundation to final walkthrough.

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New Home Construction / New Builds

New home construction across the GTA, managed from permits and framing through to final finishes — built with accountable project ownership at every stage. 

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Complete Basement Renovations

GTA basement renovations that turn unfinished lower levels into livable space — home bars, media rooms, and lounges built for comfort, code compliance, and everyday use.

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Garden Suites
Construction
Complete Home
Renovations GTA
Complete Home
Remodeling
General
Contracting
Luxury Home
Renovation in GTA
Custom Home Construction

Garden suites are one of the fastest-growing home projects across Toronto and the GTA, giving homeowners a self-contained living space in the backyard ideal for rental income, aging parents, or a home office separate from the main house. Our renovation team manages the full process, from permits and zoning to framing, utilities, and finishes.

Our garden suite builders design each unit to match your property's layout and municipal requirements, delivering a fully livable space that adds long-term value to your home.

Design and Build

A complete home renovation touches every room, kitchen, bathrooms, living spaces, and flooring updated together so the finishes, layout, and function feel cohesive from the moment you walk in. We coordinate every trade under one project timeline instead of leaving homeowners to manage separate contractors room by room.

Our complete home renovation services in the GTA are built around a single point of accountability, so you always know what's happening next and when it will be done.

Construction Management

Remodeling reshapes how your home works opening up floor plans, reconfiguring rooms, and updating structural layouts to fit how you actually live today. It's a step beyond cosmetic updates, often involving load-bearing changes, new sightlines, and permit-reviewed structural work.

Our home remodeling contractors in GTA handle the structural, mechanical, and finishing work together, so the result is a home that functions as good as it looks.

Home Additions

As your general contractor, we take ownership of the entire project scheduling trades, managing permits and inspections, sourcing materials, and keeping the budget and timeline on track from start to finish. You get one point of contact instead of juggling multiple subcontractors yourself.

Our general contracting services across Toronto and the GTA are built on clear communication, so nothing about your project timeline or budget comes as a surprise.

Luxury Home Renovation

A luxury home renovation is about more than premium materials; it's about craftsmanship, precise detailing, and finishes that hold up under close scrutiny. From custom millwork to high-end kitchen and bathroom overhauls, we bring the same level of care to every stage of the project.

Our luxury home renovation GTA works with premium materials and fine craftsmanship to turn existing spaces into high-end interiors built for modern living.

Completed Renovations

Real project photos from completed work.

Warranty & Workmanship

We stand behind our work in writing.

Every completed project includes written warranty protection. We take ownership of the project, communicate clearly, and treat the details of your home with the same seriousness we would expect in our own.

 

Written Warranty

Our workmanship warranty gives clients clear documentation and confidence after completion.

Project Ownership

We coordinate trades, schedule decisions, and site details so nothing important falls between the cracks.

Built Around Your Ideas

We listen first, refine the plan, and help turn your vision into a finished space that feels personal and practical.

Request a Quote

A clearer path from first call to final walkthrough.

Tell us what you want to build, share photos if helpful, and we will guide you through scope, budget considerations, timelines, permit needs, and next steps. The goal is simple: make the estimate process useful before you commit.

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Consultation

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Site review

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Detailed estimate

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Planned build

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FAQ

How much does a home renovation cost in the Toronto?

Costs vary widely based on scope, materials, and the condition of the existing space. A single-room refresh starts in a different range than a full home renovation or addition. During your consultation, we walk through your goals and site conditions to give you a realistic estimate before you commit to anything.

Timelines depend on the size of the project and whether permits are required. A bathroom renovation may take a few weeks, while a full home renovation, addition, or custom build can take several months. We outline a projected timeline as part of your detailed estimate so you know what to expect.

Yes. Onyx Construction is fully licensed and insured, with WSIB coverage and liability insurance on every project. We’re also registered with HCRA and Tarion where applicable.

We serve homeowners across Toronto, Aurora, East York, North York, Etobicoke, Scarborough, Mississauga, and Oakville. If you’re outside this list, reach out — we may still be able to help.

 

It depends on the scope. Smaller projects like a single bathroom or kitchen renovation often allow you to stay in the home, while larger renovations, additions, or full-home projects may require temporary relocation for parts of the work. We’ll flag this during the planning stage so there are no surprises.

Yes. If you already have drawings or a design in place, we can review them, provide feedback on constructability and code compliance, and build from your plans. If you don’t have drawings yet, we can help coordinate that as part of the process.

A renovation typically restores or updates existing spaces — new finishes, fixtures, and layouts within the current structure. A remodel goes further, often changing the structural layout, floor plan, or function of the space. We handle both, and can help you figure out which one fits your goals during the consultation.

Ready to talk about your renovation in GTA?

Book a consultation with a team that values quality, professionalism, reliability, and customer satisfaction.