In-law Suite Toronto
Full secondary unit — kitchen, bedroom, bath, laundry, separate entrance. One crew, one fixed price, every permit handled. Your basement becomes a legal suite in 6–10 weeks.
Planning an in-law suite in Toronto? CNB Renovation builds complete secondary units — from structural framing and fire separation to full kitchen, 3-piece bathroom, bedroom, and laundry. We handle the building permit, City registration, and every trade in-house. Whether it's a basement in-law suite for a parent, a rental unit ($1,800–$2,500/month GTA 2026), or a legal second suite for resale uplift, CNB delivers on a fixed-price written commitment. BCIN certified, WSIB insured, 215 projects across Toronto, Etobicoke, North York, Scarborough, Mississauga, and Brampton.
Everything in-house. No subcontractors.
Full Kitchen & Living Area
Custom kitchen cabinets, quartz countertops, full appliance package, pot lights, LVP flooring throughout. All plumbing and electrical rough-in to OBC 2024. Free design consultation included.
3-Piece Bathroom
Below-grade bathroom from scratch: ejector pump, Schluter Kerdi waterproofing, porcelain tile, floating vanity, frameless glass shower. City rough-in inspection arranged and signed off.
Separate Entrance
Interior stair reconfiguration or exterior walkout excavation. Structural engineering, waterproofing, exterior door rough-in, permit filed. Private access maximizes rental income and tenant appeal.
Legal Registration & Fire Code
Type-X drywall fire separation, egress windows to OBC, smoke and CO detectors, City second-unit registration. Suite legally rentable and insurance-compliant. Every certificate handed to you at sign-off.
Three steps from call to completion
Free In-Home Feasibility Assessment
We visit, measure, check ceiling height (OBC min 1.95 m), assess structural and waterproofing. Written fixed-price scope within 48 hours. No commitment required.
Permit Filing + Design Finalization
We file your Building Permit with the City of Toronto (2026 timeline: 6–12 weeks). Finalize kitchen layout, tile, fixtures — 3D visual included. Build starts on permit approval.
Build, Inspect, Register — One Crew
Framing, insulation, drywall, kitchen, bath, flooring, electrical, plumbing — same crew throughout. All City inspections arranged. Second-unit registration handed to you at final sign-off.
Investment ranges — no hidden costs
Final price locked in writing before we start. These ranges reflect 2026 GTA market conditions including materials and labour.
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. If we run over due to our own delays — not weather or permit waits — we credit $500/week against your final invoice.
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
Toronto in-law suites rent for $1,800–$2,500/month in 2026. A $70K renovation generates $21,600–$30,000/year — full payback in 2.5–4 years. We walk through the ROI numbers during your free feasibility call.
Yes — always. Secondary units require a Building Permit and must meet OBC 2024 for fire separation, egress, ceiling height, and ventilation. We file with the City of Toronto and schedule every inspection. 2026 permit timeline: 6–12 weeks — factored into your schedule upfront.
Ontario Building Code 2024 requires 1.95 m (6'5") minimum for habitable space. Below threshold? Underpinning adds $25–$80K and 4–8 weeks. We assess at zero charge during site visit — no obligation.
Legally no — internal-access suites are permitted under the OBC. A private exterior entrance dramatically increases rental value and tenant appeal. We build walkouts from $15K or reconfigure interior stairs based on your lot and budget.
Yes — it is not optional. OBC requires 30-minute fire separation: Type-X (5/8") drywall on all shared walls and ceiling, fire-rated door assemblies. Non-compliant suites void home insurance and create personal liability. Every CNB suite passes City inspection.
Build phase: 6–10 weeks. Permit issuance: 6–12 weeks (we apply immediately on contract signing). Plan 4–6 months from first call to tenant move-in. Firm written timeline — our On-Time Guarantee backs it: $500/week credit if we miss the agreed date.
Absolutely. In-law suites are equally popular for aging parents, adult children, or a home office. Same legal build — and you retain the option to generate rental income whenever you choose.
Free on-site walkthrough — no obligation
We come to your home, assess the space, and send a written fixed-price quote within 24 hours. Serving Toronto, Etobicoke, North York, Scarborough, Mississauga, Brampton and all GTA.
Open 8 AM – 11 PM · 7 days a week · We call within the hour