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
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.
- WSIB Coverage
- Liability Insurance
- Licensed & Insured Contractor
- Building Code Compliance
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.
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.
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.
Construction
Renovations GTA
Remodeling
Contracting
Renovation in GTA
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.
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.
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.
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.
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.
Your Trusted Home Renovation Contractor in Toronto
We are Onyx Construction & Renovation, a full service design, construction and renovation company in Toronto for home renovation and remodeling. We help homeowners transform their existing spaces into homes that are more functional, comfortable, and suited to the way they live.
From a single-room renovation to a complete home transformation, we bring the planning, construction, skilled trades, and finishing work together under one team. Our approach is straightforward: understand what you want to achieve, plan the work properly, and deliver a finished space with attention to the details that matter.
We work on kitchen renovations, bathroom renovations, basement renovations, home additions, and whole-home renovations, parts renovation based on your needs in Toronto & GTA. Whether you’re modernizing an older home, creating more usable living space, or simply giving your home a fresh new look, we help you make informed decisions throughout the renovation process.
Why GTA Homeowners Choose Onyx Construction
Finding a reliable renovation contractor in Toronto means looking past the lowest quote and asking who will actually be accountable once the walls are open. Onyx Construction has spent 14 years managing renovations across Toronto, Mississauga, Oakville, and the wider GTA and every project runs through the same process: one estimator, one project lead, and one written warranty at the end.
We’re not a lead-generation platform that resells your project to the lowest bidder. Our in-house team handles permits, trade scheduling, inspections, and finishing work directly, so the person who quoted your kitchen renovation or basement build is the same person accountable for the final walkthrough. That’s the difference between a renovation that stays on budget and one that drifts. Whether you’re planning a full home renovation, a custom home build, or a single-room remodel, our team is licensed with HCRA, registered with Tarion where applicable, and fully covered under WSIB and liability insurance so you’re protected at every stage, not just on paper.
What We Manage as your Renovation Contractor
Project Planning & Coordination
We help define your renovation scope, priorities, timeline, and construction requirements before work begins.
Multiple Trades Under One Team
Our GTA home renovation contractors coordinate the trades involved in your project, including framing, plumbing, electrical, HVAC, drywall, flooring, tile, and finishing.
Permits & Inspections
Where required, we help coordinate permit-related requirements and inspections as part of the renovation planning and construction process.
Materials & Finishes
From flooring and tile to cabinetry, fixtures, and finishing materials, we help keep selections aligned with your design, scope, and budget.
Complete Construction Management
Whether you're planning a basement renovation in the GTA, kitchen remodel, bathroom renovation, home addition, or complete home renovation, we oversee the project from demolition and structural work through installation and finishing.
Final Walkthrough
Once construction is complete, we review the finished project with you and address the final details before handover.
Client Testimonials
Trusted by homeowners across the GTA
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
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.
How long does a typical renovation take in Toronto?
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.
Are you a licensed and insured renovation company in Toronto?
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.
What areas of the GTA do you service?
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.
Do I need to move out during a renovation?
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.
Can you work from my own architectural drawings or design?
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.
What's the difference between a renovation and a remodel?
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.