Basement Renovation · Scarborough
Basement renovation
in Scarborough.
Permit included.
Large detached homes on generous Scarborough lots. Strong rental demand from Agincourt to Guildwood. CNB renovates Scarborough basements with a fixed price, in-house crew, and City of Toronto permits sorted.
Why CNB in Scarborough
One crew. Fixed price.
Permits sorted.
Scarborough permits go through the Scarborough Civic Centre at 150 Borough Drive. CNB is familiar with local plan examiners and typical comment cycles for the area. Permit timelines in Scarborough average 7–11 weeks.
Scarborough permit — filed
BCin designer submits at 150 Borough Drive. We track comments, respond and schedule all inspections. Included in your project price.
Best ROI in the GTA
Scarborough's entry-level renovation costs ($32–55/sqft) combined with strong rental demand create some of the shortest payback periods in Toronto.
WSIB + $2M liability
Full WSIB certificate and $2M liability policy on every Scarborough project.
One crew — start to finish
Same in-house team handles framing, electrical rough-in, plumbing, tile and all finish work. No sub-contractor gaps.
What we build in Scarborough
Basement renovation —
everything in-house.
Larger detached homes built 1970s–1990s, many with 7'–8' basement ceilings already compliant without underpinning. Strong secondary suite conversion rates — lowest cost-per-sqft in the GTA.
Full Basement Finish
Framing, insulation, drywall, LVP flooring, pot lights, trim. Best value basement finishing in Toronto. Starting from $32,000.
Legal Second Suite
Scarborough is zoned for secondary suites. Full kitchen, bath, egress window, fire-rated separation. Suites rent for $1,600–2,200/month.
Walkout / Separate Entrance
West Hill and Guildwood's ravine lots often allow a full walkout — no excavation required. Side or rear entry on flat lots. Permit included.
Bathroom Addition
3-piece below grade. Ejector pump, tile, City rough-in and final inspection. Common upgrade in Scarborough basement suites.
Scarborough pricing reference 2026
Transparent pricing.
Written before we start.
All prices include permit. GST extra. Final quote in writing before any work begins.
FAQ · Scarborough
Questions about basement
renovation in Scarborough.
Can I build a basement apartment in Scarborough?
Yes. All Scarborough properties are zoned to allow secondary suites under the City of Toronto's Official Plan. CNB verifies zoning, files permits and delivers a legal, registered unit.
What does a Scarborough basement renovation cost?
A basic finish runs $32,000–$50,000. A full legal suite with kitchen and separate entrance is $55,000–$85,000. We quote in writing before we start.
How long does a Scarborough basement project take?
7–11 weeks build phase after permits are issued. Permit issuance at Scarborough Civic Centre averages 7–11 weeks. Total timeline: approximately 4–5 months from first call.
Is Scarborough a good investment for a basement suite?
Very good. At $32–55/sqft build cost and $1,600–2,200/month rent, payback periods run 3–4 years — best in the GTA.
Do you serve all Scarborough neighbourhoods?
Yes — Agincourt, Guildwood, Morningside, Wexford, Birchcliffe-Cliffside, Malvern, Rouge and West Hill. Same crew, same pricing, same fixed-price guarantee.
Free estimate · Scarborough
Ready to start?
We call within the hour.
Give us 2 minutes — we give you a written price. No pressure, no obligation.
WSIB cleared · $2M liability · BCin certified · 215 projects