Basement Renovation · North York

Basement renovation
in North York.
Permit included.

1960s bungalows on Willowdale streets. Large detached homes near Lawrence Park. Split-levels in Bathurst Manor. CNB finishes North York basements in-house — one price, one crew, permits included.

Get a free estimate See our work
$38K – $82K
Typical cost
8–14 wks
Build timeline
215+
Projects done
$1,900–2,600 /mo
Suite rent / mo

Why CNB in North York

One crew. Fixed price.
Permits sorted.

North York permit applications go to the North York Civic Centre at 5100 Yonge St. CNB knows the local plan checkers and typical comment cycles. We factor permit wait times into your project schedule from day one.

North York permit — handled

City of Toronto BCin designer on file. We submit at 5100 Yonge St, respond to City comments, and schedule all rough-in and final inspections.

Written fixed price

Quote signed before we start. Every line item listed. No invoice surprises.

WSIB cleared · $2M liability

Full WSIB clearance certificate on request. $2M general liability policy.

One in-house crew

Same team from framing to final touch-up. No sub handoffs. One project manager answering your questions all the way through.

What we build in North York

Basement renovation —
everything in-house.

1960s–70s bungalows and two-storeys on 50-ft lots. Many have 6'6"–7' basement ceilings — compliant without underpinning. Willowdale and Don Mills have newer stock with full-height basements.

Full Basement Finish

Framing, insulation, drywall, flooring, pot lights, trim. OBC 2024 compliant. Starting from $38,000 in North York.

Legal Second Suite

Full kitchen, bath, separate laundry, egress window. North York suites rent for $1,900–2,600/month. We register the unit with the City.

Separate Entrance

Side door or rear walkout. Structural assessment, excavation if needed, City permit. Common in Willowdale and Lawrence Park detached homes.

Basement Bathroom

3-piece below grade with ejector pump, Schluter waterproofing, tile and City rough-in inspection.

North York pricing reference 2026

Transparent pricing.
Written before we start.

Open-concept finish (no bath) $38 – 58 / sqft
Mid-tier with 3-pc bathroom $58 – 85 / sqft
Legal suite (full kitchen) $92 – 145 / sqft
+ Separate entrance +$10,000 – 26,000
+ Egress window cut +$3,500 – 7,500

All prices include permit. GST extra. Final quote in writing before any work begins.

CNB Triple Guarantee
Fixed Price
The quote you sign is the price you pay. Zero change orders on agreed scope.
On Time
Written schedule before we start. Friday updates throughout. Penalty clause available.
Permits Included
We file, we track, we schedule every inspection. You don't talk to the city.
Get a written quote
Neighbourhoods we serve
Willowdale Bayview Village Sheppard–Yonge Lawrence Park North Bathurst Manor Yonge–Finch Don Mills Lansing–Westgate

FAQ · North York

Questions about basement
renovation in North York.

Do I need a permit in North York?

Yes — North York is City of Toronto. Every basement finishing project, bathroom addition and suite requires a permit. CNB files all paperwork, including BCin drawings and TSSA electrical notification.

How long for a North York permit?

Typically 6–10 weeks from complete submission. We submit a complete package on day one to avoid re-submission delays.

What does a basement renovation cost in North York?

A standard finish: $38,000–$55,000. Full legal suite with kitchen: $65,000–$95,000. We quote in writing before we start. No change orders for agreed scope.

Are there rental income opportunities in North York?

Very strong. North York suites near Yonge-Sheppard and Yonge-Finch rent for $1,900–2,600/month. Payback period on a $75K suite build is typically 3–4 years at 2026 rents.

What ceiling height does my North York basement have?

Most 1960s–70s bungalows have 6'6\"–7' ceilings — enough to meet OBC without underpinning. We measure on site during the free assessment.

Free estimate · North York

Ready to start?
We call within the hour.

Give us 2 minutes — we give you a written price. No pressure, no obligation.

Get a free estimate 437-217-5519

WSIB cleared · $2M liability · BCin certified · 215 projects