Renovation Services in Mississauga

Expert renovation contractors in Mississauga — kitchens, bathrooms, basements and additions across Port Credit, Lorne Park, Streetsville, Erin Mills and Meadowvale. Structure-first planning by an owner with a Master’s in Structural Engineering, fixed-price quotes, and a written warranty.
Structure-First Approach
Written Warranty
Fixed-Price Quotes
500+ Projects Completed

Built to Last — Not Just Installed

What makes us different starts before the first material is ordered. GMC Construction is founded and led by an owner who holds a Master's degree in Structural Engineering — so every project is approached with a genuine, advanced understanding of structure, load-bearing changes, drainage, and moisture protection. Most renovation companies focus only on how a space looks. We start with what's underneath, because that's what determines whether your renovation lasts five years or twenty-five.

Renovation Contractors in Mississauga

When it comes to home renovation Mississauga, no two homes are alike — from the lakeside estates of Lorne Park and Port Credit to the historic villages of Streetsville and Clarkson and the newer communities of Erin Mills and Meadowvale, each has its own character. GMC Construction Inc. has spent 15+ years working across all of them — kitchens, bathrooms, basements and whole-home renovations for Mississauga homeowners who want the job planned properly, priced honestly, and built to last.

What sets us apart in a crowded market: GMC is led by an owner who holds a Master’s degree in Structural Engineering. Before we quote a wall removal, a basement underpinning, or a second-storey addition, we understand how the house actually carries load — which is why our projects don’t run into the structural surprises that stall other renovations. It’s a structure-first approach no other Mississauga renovation company offers.

Our Renovation Services in Mississauga

Kitchen Renovations

Custom cabinetry, islands and full layout changes — from a lakeside kitchen in Lorne Park to a modern layout in an Erin Mills home.

Bathroom Renovations

Ensuites, main baths and powder rooms with proper waterproofing — the hidden work that makes a Mississauga bathroom last for decades.

Basement Renovations

Finished basements, legal secondary suites and lower-level living space — popular across Mississauga’s larger family homes and newer subdivisions.

Home Additions

Second-storey additions, rear extensions and garage conversions — the projects where the owner’s structural engineering education matters most.

Whole-Home Renovations

Complete transformations that modernize an older Mineola or Cooksville home top to bottom — one coordinated project, one point of contact.

Condo Renovations

Condo and townhome renovations across City Centre and the Square One area — managed around board rules, elevator bookings and restricted work hours.

Renovating in Mississauga: What to Know

Mississauga’s housing stock ranges from lakeside estates to master-planned suburbs, and each brings its own renovation realities. The established homes of Lorne Park, Mineola and Port Credit are often substantial but carry original layouts and systems ready for modernization — and lakeside lots sometimes involve grading and drainage considerations. The historic homes of Streetsville and Clarkson village carry character worth preserving. The postwar and mid-century homes of Cooksville, Erindale and Applewood are ideal for open-ups, additions and basement suites, while the newer communities of Erin Mills, Meadowvale and Churchill Meadows are larger and more open, ready for custom kitchens, finished basements and upgraded ensuites.

Basement-finishing and secondary-suite projects are especially common across Mississauga’s family neighbourhoods — turning a large lower level into legal living space or a rental suite, with the proper permits and structural planning a structure-first contractor gets right up front.

Do You Need a Permit to Renovate in Mississauga?

Renovation permits in Mississauga are issued by the City of Mississauga’s Building Division, within the Region of Peel framework. Cosmetic work — replacing cabinets, tile, fixtures and finishes in the same layout — generally doesn’t require a permit. But moving plumbing, altering electrical, removing a load-bearing wall, finishing a basement, adding a legal second suite, or building an addition typically do. As a licensed contractor, GMC manages the permit process for you and arranges the stamped structural drawings your project requires — so the work is done to code and passes inspection the first time.

Mississauga is one of the more permissive GTA cities for additional units: most detached, semi-detached, and townhouse properties can add up to two additional residential units as-of-right, and the City offers pre-approved garden-suite plans to simplify backyard-unit approvals. There are real incentives, too — building-permit fees are refunded for qualifying ARUs, second and third units are exempt from most municipal charges, and second-unit registration is free. The suite must still meet the Ontario Building Code, Fire Code, and zoning by-law, including ceiling height, egress, and at least one parking space.

Why Mississauga Homeowners Choose GMC

Structure-first expertise

Led by an owner who holds a Master’s degree in Structural Engineering — so wall removals, additions and basement work are planned around how your home actually carries load. No other renovation company in Mississauga offers this.

Fixed-price quotes

A detailed, itemized fixed price after a free in-home consultation — the real number you’ll pay, not a low estimate that grows once the walls are open.

85+ five-star reviews

A 5.0-star rating across 85+ Google reviews, 500+ completed projects, and a written workmanship warranty on every job. Fully licensed and insured with WSIB coverage.

Local knowledge

From Lorne Park lakeside homes to Streetsville village character and Erin Mills new builds, we know Mississauga’s neighbourhoods and the City of Mississauga permit process firsthand.

One clear schedule

You get a week-by-week timeline before work begins and daily communication throughout — so you always know what’s happening, and when you’ll have your home back.

One team, start to finish

From permits and structural planning to the final finishing touches, your whole project is managed by GMC through a single point of contact — no juggling separate trades or chasing subcontractors.

Recent Work Across Mississauga

From kitchen modernizations in Lorne Park to finished basement suites in Meadowvale and full renovations of Mineola homes, our Mississauga projects share the same foundation: careful structural planning, a fixed price agreed up front, and finishes that hold up years later. Every project is managed start to finish by GMC — one team, one point of contact, one written warranty. Browse our recent projects to see the quality of our work.

Serving Mississauga & Nearby Communities

GMC Construction serves Mississauga and its neighbouring communities across the GTA:

Ready to Renovate Your Mississauga Home?

Whether it’s a lakeside kitchen in Lorne Park, a basement suite in Meadowvale, or a full renovation in Mineola, GMC Construction is ready to help. Call us at 647-450-4466 or request your free, fixed-price quote — and we’ll walk your home with you and plan the project around how it’s actually built.

Our Process

01. Free Consultation

We start with a free consultation to understand your vision and needs for your renovation.

02. Design

Our team creates a custom design plan tailored to your style and budget.

03. Execution

We handle every aspect of the renovation, ensuring a seamless process from start to finish.

04. Final Walkthrough

Once your renovation is complete, we walk you through your new space to ensure it meets your expectations.

Why Choose GMC Construction?

Every project we take on is backed by the same commitments — in writing, before work begins. No surprises, no shortcuts, and no walking away from a problem.

Gallery

Testimonials

Real Reviews From Our Clients

EXCELLENT
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Based on 85 reviews
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elnaz ghadiri
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I recently used GMC Construction for a project, and I couldn’t be happier with the experience. The team was incredibly professional, responsive, and reliable. They arrived promptly, completed the work efficiently, and the final cost was even better than I expected. Their workmanship and attention to detail were outstanding, and it was clear they have a highly skilled and experienced team. The entire process was smooth from start to finish. I highly recommend GMC Construction to anyone looking for quality work, fair pricing, and excellent customer service. I would definitely use them again!
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Ernika Naghizadeh
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We had our bathroom done at a very reasonable price! It looks amazing, first time since we’ve gotten such reliable work done in our house! 10/10 experience!
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Niall Flynn
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Had a great time dealing with Max and the work he did tiling our kitchen! I’d planned to do it myself but decided to hire Max instead and thank god I did because the results were great!
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Info Becoming
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Reliable and professional company. Communication was clear and timelines were met. Recommend to anyone looking for quality and dependability.
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H H
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I had an absolutely amazing experience with GMC Construction Inc. You never really know what you’re getting when you take the risk of hiring someone new - but I was pleasantly surprised by the level of care and attention to detail Max put into his work. GMC handled a few repairs in my home, including installing a new sink and fixing my door. I also had a few other fixes that I hadn’t initially discussed, and when I brought them up, Max moved quickly and took care of everything without hesitation. He went above and beyond, spending time to find the right tools, making sure everything ran smoothly, and even following up afterward. Max and his wife are truly a rare find: professional, fair with pricing, and they genuinely care about the quality of their work. Highly recommend if you're debating on who to trust with your home! :)
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Krystal
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Max was the perfect guy to install things around our home. He showed up on time, was very personable & friendly. He cleaned up any mess he made and did such a fantastic job. I will definitely be hiring him again for anything else that comes up in the future. Thanks again Max! 😊
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Ben Bakhtiarynia
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Max is a highly professional and knowledgeable contractor. He completed several jobs with expert attention to detail and wonderful efficiency. He is also very friendly and will offer you additional solutions to improve the jobs he starts. I would highly recommend him and his work. He did a beautiful job mounting my TV, soundbar, and making it all look super clean by running the chords through the wall. My entertainment experience has improved so much thanks to his care and hard work.
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Staci J
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I had the best experience with GMC construction they were very quick and so nice. I had my mirrors installed and old ones removed. Would definitely recommend.
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Get Your Free Home Renovation Estimate

Transform your living space with our professional renovation services. Fill out the form to receive a detailed, no-obligation estimate tailored to your needs.

Personalized Service

Tailored solutions for your unique home renovation needs

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Receive your estimate within 24-48 hours

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Clear, detailed estimates with no hidden costs

frequently asked questions

Do I need a permit to renovate my home in Mississauga?

It depends on the work. Cosmetic updates — new cabinets, tile, fixtures or finishes in the same layout — usually don’t need a permit. But moving plumbing, changing electrical, removing a load-bearing wall, finishing a basement, adding a legal second suite, or building an addition require a permit from the City of Mississauga’s Building Division. As a licensed contractor, GMC handles the entire permit process for you, and arranges the stamped structural drawings your project requires.

How much does a renovation cost in Mississauga?

It depends on scope and finishes. As a guide, bathroom renovations typically run $16,000–$28,000, kitchens $25,000–$60,000, and finished basements $35,000–$70,000, with whole-home and addition projects quoted individually. After a free in-home consultation we give you a detailed, fixed-price quote — the real number, with no vague allowances.

How long does a renovation take in Mississauga?

Timelines depend on scope. A bathroom typically takes 3–6 weeks, a kitchen 4–8 weeks, and a basement 6–10 weeks, while whole-home renovations and additions run longer — especially when a permit is required, since municipal review adds time. We give you a week-by-week schedule before work begins so you always know what to expect.

Can you remove a load-bearing wall in my Mississauga home?

Yes — and this is where our approach stands apart. GMC is led by an owner who holds a Master’s degree in Structural Engineering, so we assess how your home carries load before touching a wall, and arrange the stamped structural drawings and permit the work requires. Opening up a closed layout is one of the most common — and most structurally sensitive — requests we handle across Mississauga’s older and newer homes alike.

Which Mississauga neighbourhoods do you work in?

All of them. We renovate homes across Port Credit, Lorne Park, Mineola, Streetsville, Clarkson, Erindale, Cooksville, Applewood, Erin Mills, Meadowvale and Churchill Meadows — from lakeside estates to historic village homes and newer builds. We serve Mississauga across the whole city.

Why choose GMC over other Mississauga renovation companies?

GMC is led by an owner who holds a Master’s degree in Structural Engineering, so every project is planned around how your home actually carries load — the structural surprises that stall other renovations get caught up front. Combined with fixed-price quotes, a written workmanship warranty, and a 5.0-star rating across 85+ Google reviews, that gives you a level of confidence most renovation crews can’t match.

Others Services

GMC Construction handles renovations across every space in your home — kitchens, bathrooms, basements, additions and more. Explore our full range of services to see how we can help.

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