Basement Renovation Toronto
One permit, one crew, one fixed price. CNB builds legal second suites, separate entrances, and full basement finishes across the GTA. 215 projects delivered. Every permit handled end-to-end.
Everything in-house. One crew, start to finish.
Full Basement Finishing
Framing, insulation, drywall, flooring, electrical, plumbing rough-in, trim and paint. One crew, all trades coordinated. OBC 2024 compliant.
Legal Second Suite
Separate kitchen, bedroom, bathroom, laundry. Unit registration, fire separation (Type-X drywall), egress windows, City registration. Full rental unit.
Separate Entrance
Interior stair reconfiguration or exterior walkout excavation. Structural engineering, waterproofing, door rough-in, permit filed and inspected.
Basement Bathroom
3-piece or full bath below grade. Ejector pump, waterproof membrane, tile, in-floor heat option. City rough-in inspection arranged.
Three steps from call to completion
Free Site Assessment
We visit your home, measure the space, check ceiling height against OBC, identify any structural or waterproofing concerns. No obligation.
Fixed-Price Scope + Permit Filing
Written scope with line-item pricing — signed before we start. We file your building permit with the City of Toronto and schedule all inspections.
Build — One Crew Start to Finish
Same crew throughout. No sub-handoffs. Weekly progress updates. Final walk-through, all certificates handed to you.
The CNB Triple Guarantee
Fixed Price
Your quote is your final number. We don't increase the price mid-project. Any change you request gets a written change order — your approval before we proceed.
On Time
We commit to a build schedule before we start and we hold to it. You get a written timeline up front and a status review every week — no vanishing crews, no open-ended jobs.
No Surprises
Every scope in writing. Every inspection scheduled. Every certificate handed to you at the end. We call you before we open walls — never after.
WSIB covered · $2M liability insurance · BCIN certified · 10+ years GTA
What homeowners ask before hiring us
Yes — always. We file with the City of Toronto, schedule all inspections, and hand you every certificate. City permit processing is factored into your schedule upfront.
Ontario Building Code 2024 requires 1.95 m (6'5") for habitable space. We measure before quoting. Below threshold: underpinning or bench footing — we assess on site.
Yes. A legal second suite adds real rental value in Toronto and stands up to insurer and city scrutiny. We handle the separate entrance, fire separation, egress windows, and city registration.
We give you a firm written schedule upfront, from permit through to occupancy. Timelines depend on scope and City permit processing — we walk you through the full sequence before you sign.
10-year structural · 2-year materials · 1-year workmanship — all in writing before we start.
Free on-site walkthrough — no obligation
We come to your home, assess the space, and send a written fixed-price quote after. Serving Toronto, Etobicoke, North York, Scarborough, Mississauga, Brampton and all GTA.
Open 8 AM – 11 PM · 7 days a week · A real person calls you back