Basement renovation in Humber Heights-Westmount, Ontario
9 basement renovation projects submitted this week in Humber Heights-Westmount

Basement Renovation
Humber Heights-Westmount

An damp basement in Humber Heights-Westmount is lost living space. Our local specialists design and build basements that add value. No-cost estimate within one business day.

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Basement renovation prices in Humber Heights-Westmount — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$22416 – $71326
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$10189 – $35663
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3566 – $14265

🛁 Basement bathroom addition

$1528 — $6113

☔ Interior waterproofing system

$3566 — $14265

🌡️ Basement heating installation

$1528 — $6113

💡 Egress window installation

$1528 — $6113

Estimated prices for Humber Heights-Westmount. Get accurate, free quotes from our verified contractors.

Why choose Basement Quotes Canada for your basement renovation in Humber Heights-Westmount?

Licensed & Insured Contractors

Every renovation partner is fully licensed, carries liability insurance, and has verified references in Humber Heights-Westmount.

100% Free Quote

No fees, no obligation. Compare up to 5 basement renovation quotes in Humber Heights-Westmount — completely free.

Waterproofing Expertise

Proper waterproofing is critical before finishing a basement. Our contractors in Humber Heights-Westmount assess and correct moisture issues first.

Code-Compliant Builds

All basement renovations — including legal suites — are built to code with proper permits in Humber Heights-Westmount.

Basement renovation services available in Humber Heights-Westmount

Basement Bathroom

New bathroom addition in your basement. Full plumbing rough-in, tile, fixtures and ventilation.

Basement Waterproofing

Interior and exterior waterproofing systems. Sump pumps, drainage membranes, crack injection in Humber Heights-Westmount.

Underpinning

Basement underpinning to increase ceiling height in Humber Heights-Westmount. Structural engineering and permit included.

Legal Basement Suite

Complete legal basement suite construction in Humber Heights-Westmount. Permits, egress, kitchen, bathroom, separate entrance — income-ready.

Basement Finishing

Full basement finishing in Humber Heights-Westmount — framing, insulation, drywall, flooring, lighting and trim. Turn unused space into living space.

Home Theatre & Media Room

Custom home theatre and media room design and installation. Wiring, acoustics and custom millwork in Humber Heights-Westmount.

Frequently asked questions — Basement renovation in Humber Heights-Westmount

How much does it cost to finish a basement in Humber Heights-Westmount?
A full basement finish in Humber Heights-Westmount typically costs $22416–$71326, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3566–$10189. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Humber Heights-Westmount?
A legal basement suite in Humber Heights-Westmount typically costs $10189–$35663, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Humber Heights-Westmount markets.
Do I need a permit to finish my basement in Humber Heights-Westmount?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Humber Heights-Westmount. Legal suites require additional permits and inspections. Your contractor handles the permitting process.
How do I know if my basement has a moisture problem?
Signs of basement moisture in Humber Heights-Westmount: water stains, efflorescence (white powder on walls), musty odour, peeling paint, or visible mold. Our contractors assess moisture before any finishing work to prevent future damage.
How long does a basement renovation take in Humber Heights-Westmount?
A full basement finish in Humber Heights-Westmount takes 4–8 weeks. A legal suite with plumbing and permitting takes 8–14 weeks. Underpinning adds 2–4 weeks. Your contractor will provide a detailed schedule.

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