Basement Renovations in North York
Your basement is the biggest room in the house that nobody uses. For 32 years, renoWOW! has turned cold, half-finished North York basements into rec rooms, home theatres and legal income suites, from Willowdale and Bayview Village to Don Mills and York Mills. We sort out the water and the ceiling height before we frame a single wall, quote a fixed price up front, and build to the Ontario Building Code so it passes inspection the first time.
Request a Free Project Estimate
Tell us about your project and we will reply within one business day.
Turn the space under your home into a full extra floor
In most North York homes the basement is still original: low ceilings, a cold concrete slab, a tangle of ductwork, and moisture slowly working through the block. A proper basement renovation deals with all of that first, then adds a warm, dry, finished floor you will actually spend time in. It is some of the best value in the whole house, because you are finishing square footage you already own and already pay to heat.
We handle the entire job under one roof: waterproofing, framing, insulation, plumbing and electrical rough-ins, drywall, flooring and finishing. It sits alongside our wider North York home renovation work and pairs naturally with a kitchen renovation when you are updating more than one level. If you are still weighing your options, our Toronto basement renovation team can walk you through what your particular basement can and cannot become. We take one project at a time, so yours keeps our full attention from the first site visit to the final walkthrough.
Local experience that keeps your budget honest
We have been finishing basements across North York for years, so we know the housing stock. We know which postwar bungalows in Willowdale and Newtonbrook have ceilings too low to finish without underpinning, where homes near the ravines fight a higher water table, and how older side-splits hide cast-iron drains and out-of-date wiring behind the walls. Catching those things at the quote stage, rather than halfway through demolition, is what keeps your budget and timeline where they should be.
Legal income suites
A second suite finished to code, with its own entrance, egress windows, fire separation and kitchen. It is the fastest way to add rental income or a private space for family.
Rec rooms & home theatres
Open family rooms, media lounges and playrooms, planned with the lighting and soundproofing that make a below-grade space feel bright rather than buried.
Basement bathrooms
A full or three-piece bath downstairs, tied into your bathroom renovation plans, with the concrete cut, the drains run and everything vented properly.
Storage, laundry & utility
A cleaner laundry, storage and mechanical layout that hands back usable room, including lower-level upgrades for North York condos.
Every part of your North York basement renovation
One team designs and builds the whole basement, and can carry the work through to a connected bathroom, a wet bar or a full-home project. Here is what North York homeowners ask us for most.
Finished Rec & Family Rooms
The classic finished basement: a warm, open floor for movie nights, a play area and room to spread out, with durable flooring and proper pot lighting.
Legal Basement Apartments
A self-contained secondary suite with a separate entrance, egress, fire-rated separation and a full kitchen, built and inspected to code so the rental income is legal.
Home Theatres & Media Rooms
A basement is the best room in the house for a theatre. We soundproof it, wire it cleanly and handle the lighting so it feels like a cinema, not a rec room with a TV.
Basement Bathrooms
Adding a bathroom downstairs means breaking concrete to run new drains. We handle the plumbing, waterproofing and ventilation so it is done once and done right.
Home Offices & Gyms
A quiet, well-lit home office, a guest room or a home gym, finished to the same standard as the rest of your house and ready the moment you need the extra room.
In-Law & Nanny Suites
A private lower-level suite for parents, adult kids or live-in help, with a kitchenette, a bathroom and its own entrance for real day-to-day independence.
Meet Sam Beninato, founder of renoWOW!
Sam has spent more than 32 years in the contracting and remodeling trade and still works closely with every client. He has been featured on HGTV and quoted in the Toronto editions of Metro, The Globe & Mail and The Huffington Post. Read more on our About Us page.
"A renovation is more than drywall and flooring. It is a new feeling for your home. It is the WOW! factor."
renoWOW! takes one job at a time, is licensed in Toronto, carries $5 million liability insurance with WSIB coverage, and backs every project with a two-year workmanship warranty.
What you can build in your North York basement
From a simple rec room to a legal income suite, here is what your lower level can become.
Family & Media Space
An open family room with warm flooring, pot lights and a media wall for movie nights and hosting.
Income & In-Law Suite
A self-contained suite with a separate entrance, kitchen and egress, built to code for rental income.
Office, Gym & Guest Room
Quiet, well-lit space for a home office, gym or guest room that adds value without an addition.
How much does a basement renovation cost in North York?
Two things move the price more than anything else: how much structural and moisture work the basement needs before finishing, and whether you are adding a bathroom or a full kitchen. The ranges below are realistic planning figures for North York, meant to help you set a budget before we measure and hand you a fixed quote.
| Basement scope | Typical North York range | Notes |
|---|---|---|
| Open rec room (no bath) | $35,000 to $55,000 | Framing, insulation, drywall, flooring, lighting |
| Family basement with 3-piece bath | $55,000 to $80,000 | Adds a bathroom, extra rooms and finishes |
| Legal basement apartment | $90,000 to $140,000+ | Kitchen, separate entrance, egress, fire separation |
| Basement bathroom (added) | $15,000 to $20,000 | Breaking concrete for drains and rough-ins |
| Egress window (per window) | $3,000 to $8,000 | Required for a legal bedroom or suite |
| Underpinning (raise ceiling) | $50,000 to $100,000+ | Engineered, permitted, adds time |
| Interior waterproofing | $3,000 to $10,000 | Fix moisture before finishing |
| Building permit fees | $1,000 to $1,500+ | Plus drawings for structural work |
These are planning ranges, not a quote. Underpinning to gain ceiling height and hidden water problems are the two things most likely to push an older North York basement above the range, so we check for both on the first visit. We also suggest holding back 10 to 15 percent for contingencies. Book a consultation and we will build an estimate around your basement, your ceiling height and the finishes you want.
32 years of North York basements, one project at a time
Licensed and insured, with a single dedicated team from the first meeting to the final walkthrough, and every job backed by a two-year workmanship warranty.
Book a Free ConsultationPermits for North York basement renovations
North York falls under the City of Toronto, so basement permits go through Toronto Building and the work has to meet the Ontario Building Code. Anything that adds walls, plumbing or wiring almost always needs a permit, and a legal suite or underpinning always does. Skipping it is a false economy, since unpermitted work can mean fines, a failed sale and insurance headaches later. We prepare the drawings, pull the permit and book the inspections so none of that lands on you.
For a basement, a permit usually comes into play when you:
- Frame new walls, rooms or a separate suite
- Add a bathroom, kitchenette or new plumbing
- Add or upgrade electrical circuits or the panel
- Cut an egress window or add a walkout entrance
- Underpin or lower the floor to raise the ceiling
What we handle for you
Skipping permits risks fines, failed inspections and problems at resale. As a RenoMark and BILD member, we keep every project compliant.
- Design and permit drawings
- Structural engineering for underpinning
- Egress and fire separation to code
- All required stage inspections
- Final occupancy sign-off
Our 4-Step North York Basement Renovation Process
Consultation & Assessment
We come to your North York home, measure the space, and check the three things that decide what is possible: ceiling height, moisture and where the mechanicals sit. Then you get a written scope and a fixed price.
Design, Permits & Planning
We finalize the layout and finishes, prepare the drawings and any structural engineering, and pull the City of Toronto permits, so everything is approved and ordered before the crew arrives.
Waterproofing & Rough-ins
Water gets dealt with first. Then we frame, insulate and run the plumbing and electrical rough-ins, with your project manager on site and inspections booked at each stage.
Finishes, Walkthrough & Warranty
Drywall, flooring, trim and fixtures go in, we pass final inspection, then we walk the finished basement with you and back the work with our two-year warranty.
Our second big project with Sam's team, and again the care and detail went beyond what we expected. They kept the house clean and protected, worked quickly with little disruption, and years on the work still looks brand new.
Charlotte & James Toronto · via HomeStarsSam was one of the few contractors happy to meet over Zoom and tour the house remotely. He guided our material choices, timed each delivery, and his team finished on schedule and on budget.
Warren R. Toronto, ONAdam took on our project plus a couple of extra issues we needed sorted, and it came out first class. He takes great pride in his work and was a real pleasure to deal with.
Homeowner Toronto, ONAfter other companies barely followed up, Sam was responsive and clear from start to finish. They kept their word on cost and timeline and adjusted quickly to our requests.
Fred & Bertha Toronto, ONWhat impressed us most was how flexible Sam was, rescheduling around our health concerns without any fuss, and his crew were always on time, courteous and tidy.
Mr. GL Toronto, ONWe have trusted Sam with renovations in our homes across Toronto and Aurora for more than 20 years. He is a true craftsman and completely trustworthy from start to finish.
Longtime client Toronto & AuroraNorth York basement renovation FAQ
How much does a basement renovation cost in North York?
How long does a basement renovation take?
Do I need a permit to finish my basement?
Can you build a legal basement apartment?
My basement ceiling is low. Can you raise it?
What about water and moisture problems?
Which North York neighbourhoods do you serve?
How do I get started?
More renovation services in North York
Updating more than the basement? Here is the rest of our North York work.
Ready to finish your North York basement?
Book a free in-home consultation and we will assess the space, talk through what it could become, and give you a clear timeline and an honest, fixed-price budget. No pressure, no surprises.