Basement Renovations in Vaughan
From big 1990s and 2000s basements in Woodbridge, Maple and Thornhill to executive homes in Kleinburg, we finish Vaughan basements into family space and legal second units, from our head office on Weston Road in Woodbridge.
Why Vaughan Basements Need a Different Approach
Vaughan has some of the largest basements in the GTA. Much of the city was built from the late 1980s onward, and the houses in Woodbridge, Maple, Thornhill, Vellore Village and Patterson usually sit on full poured basements with room for far more than storage. That is why so many of our Vaughan projects are big ones: a home theatre and gym on one side, a guest suite or nanny suite on the other, often with a second kitchen and a full bathroom.
The other common brief is a legal second unit. Vaughan permits up to three units on a lot, and the City has its own requirements on top of the Ontario Building Code: the entrance to a second unit goes on a side or rear wall rather than the main-entrance wall, one parking space is needed for each extra unit outside the transit station areas, and a $2,575 refundable deposit applies. We design around those rules from the first drawing.
Our head office is at 7777 Weston Road in Woodbridge, so Vaughan is home turf. We handle the drawings, the City of Vaughan building permit and every inspection, and for an older suite built before July 1994 we know when the fire-inspection route applies instead of a new permit.
- Licensed & insured contractors
- Transparent, itemized pricing
- Permits & approvals handled for you
- On-time delivery, every project

Basement Renovations We Do in Vaughan
Every kind of Vaughan basement, from a family rec room to a registered rental unit.
Full Basement Finishing
Framing, insulation, drywall, flooring and lighting for the large open basements under most Woodbridge, Maple and Thornhill homes.
Legal Second Units
Self-contained suites built to the 2024 Building Code and Vaughan's entrance, parking and deposit requirements.
Nanny & In-Law Suites
A bedroom, bathroom and kitchenette for family who live with you, with or without a separate unit.
Home Theatres & Gyms
Sound-insulated media rooms, rubber-floored gyms and built-in storage for Vellore Village and Kleinburg homes.
Second & Basement Kitchens
Full kitchens or prep kitchens downstairs, vented to the outside and planned around existing rough-ins.
Basement Bathrooms
New bathrooms and steam showers, using the builder rough-in where one exists or a pump system where it does not.
What Makes a Vaughan Basement Different
These are the things that actually decide the cost, timeline and legality of a basement project in Vaughan.
Large Newer Basements
Most Vaughan basements are big, dry poured-concrete spaces. The design question is how to divide them, not whether they can be used.
Entrance Placement
Vaughan wants a second unit's entrance on the side or rear wall. A new below-grade walkout is planned with that in mind.
Parking for Each Unit
Outside transit station areas, each extra unit needs one parking space. We confirm your driveway works before you commit.
Refundable Deposit
A $2,575 refundable deposit applies to second units in Vaughan, so we build it into your budget from day one.
Builder Rough-Ins
Many Vaughan homes came with a basement bathroom rough-in. Using it can save thousands over cutting the slab.
Backwater Protection
Vaughan subsidizes a backwater valve by up to $750. It is worth adding while the basement floor is open.
What a Basement Renovation Costs in Vaughan
Our basement finishing starts at $55 per square foot, and legal basement apartments at $80 per square foot. Most standard basement finishes we quote land between $50,000 and $90,000, covering framing, insulation, drywall, flooring, lighting and often a bathroom. A legal basement apartment typically runs $80,000 to $175,000, because it adds a kitchen, fire and smoke separation, interconnected alarms, code-compliant windows and exits, and the permits and inspections. A new basement bathroom starts at around $20,000.
In Vaughan the size of the basement is what moves the number most: a 1,200 square foot basement with a theatre, bar and bathroom costs more than a simple open finish. A legal unit adds the separation, alarms, kitchen and a code-compliant exit, and a new side or rear walkout is usually the largest single line item. We give you an itemized estimate so you can see exactly where the money goes.
Vaughan Neighbourhoods We Serve
We finish basements right across Vaughan from our head office in Woodbridge.
Our Simple 5-Step Process
From first call to final inspection, we make finishing your Vaughan basement clear and stress-free.
Reach Out
Call us or fill out our quick form to tell us about your basement.
Free Consultation
We visit your home, measure the ceiling height, check for moisture and talk through layout, budget and timeline.
Detailed Estimate
You receive a transparent, itemized estimate within 2 to 3 business days.
Review & Refine
We walk through the proposal together until you are fully confident.
Sign & Start
We lock in your start date and handle scheduling, permits and coordination.
Recent Basement Renovations
A look at basements we have finished for homeowners across Toronto and the GTA.
Vaughan Basement Renovation FAQs
How much does it cost to finish a basement in Vaughan?
Can I build a legal basement apartment in Vaughan?
Does Vaughan require basement apartments to be registered?
Can you legalize an older basement apartment in Vaughan?
Are you based in Vaughan?
Ready to Finish Your Vaughan Basement?
Book a free consultation. We will measure the ceiling, check for moisture and tell you what your basement can legally become and what it will cost.
Serving Vaughan from our head office — 7777 Weston Road, Woodbridge, ON L4L 0G9 · All Vaughan renovation services