Renovation Contractors in North York
When it comes to home renovation North York, no two homes are alike — from the postwar bungalows of Willowdale and Bathurst Manor to the executive homes of York Mills and the condos rising along Yonge, each renovates differently. GMC Construction Inc. has spent 15+ years working across all of them — kitchens, bathrooms, basements and whole-home renovations for North York 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 North York renovation company offers.
Our Renovation Services in North York
Kitchen Renovations
Custom cabinetry, islands and full layout changes — from opening up a Willowdale bungalow to a gourmet kitchen in a York Mills home.
Bathroom Renovations
Ensuites, main baths and powder rooms with proper waterproofing — the hidden work that makes a North York bathroom last for decades.
Basement Renovations
Finished basements, legal secondary suites and lower-level living space — a common way to add space and rental income in North York’s older homes.
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 Don Mills or Bayview Village home top to bottom — one coordinated project, one point of contact.
Condo Renovations
Condo and townhome renovations along the Yonge and Sheppard corridors — managed around board approvals, elevator bookings and restricted work hours.
Renovating in North York: What to Know
North York’s housing stock is dominated by solid postwar construction, and that shapes most projects here. The bungalows, side-splits and back-splits of Willowdale, Newtonbrook, Bathurst Manor and Don Mills are structurally sound but often have compartmentalized 1950s–60s layouts — which makes them ideal candidates for opening up the main floor, adding a second storey, or finishing the basement into a suite. The executive homes of York Mills, Hoggs Hollow and Lawrence Park North frequently see full modernizations and high-end additions. And along Yonge and Sheppard, condo renovations come with their own building rules.
Because so many North York homes sit on generous lots with original layouts, second-storey additions and major structural open-ups are especially common here — exactly the work where a structure-first approach protects your timeline and budget.
Do You Need a Permit to Renovate in North York?
North York is part of the City of Toronto, so renovation permits are issued by Toronto Building, not a separate municipality. 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, and Toronto’s Committee of Adjustment may be involved for variances on additions. As a licensed contractor, GMC manages the Toronto permit process for you and arranges the stamped structural drawings your project requires.
Under Bill 23, a basement second suite is now permitted as-of-right in most Toronto residential zones — with no minor-variance application, no added parking requirement, and no development charges for the second unit. The suite still has to meet Toronto Zoning By-law 569-2013, the Ontario Building Code, and the Fire Code together. The most common hurdle in older North York homes is ceiling height — roughly 1.95 m over at least 75% of the area — which is why many pre-1960 basements need underpinning to qualify. Electrical work is permitted separately through the ESA.
Why North York Homeowners Choose GMC
Structure-first expertise
Led by an owner who holds a Master’s degree in Structural Engineering — so wall removals, second-storey additions and basement work are planned around how your home actually carries load. No other renovation company in North York 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 Willowdale bungalows to York Mills estates and Yonge-Sheppard condos, we know North York’s housing stock and the Toronto Building 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 North York
From main-floor open-ups in Willowdale to finished basement suites in Don Mills and full modernizations of Bayview Village homes, our North York 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 North York & Nearby Communities
GMC Construction serves North York and its neighbouring communities across Toronto and the GTA:
- Toronto
- Richmond Hill
- Vaughan
- Markham
- Etobicoke
- Thornhill
- Willowdale
- Don Mills
- Bayview Village
- York Mills
- Scarborough
Ready to Renovate Your North York Home?
Whether it’s opening up a Willowdale bungalow, a basement suite in Don Mills, or a full renovation in Bayview Village, 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.









