Finished basement in Lower Mount Royal — open concept design
7 basement renovation projects submitted this week in Lower Mount Royal

Basement Renovation
Lower Mount Royal

An damp basement in Lower Mount Royal is lost living space. Our renovation partners plan and execute basements that add value. Free quote within 24h.

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Basement renovation prices in Lower Mount Royal — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$20731 – $62195
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$9329 – $31097
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3109 – $12439

🛁 Basement bathroom addition

$1243 — $5182

☔ Interior waterproofing system

$3109 — $12439

🌡️ Basement heating installation

$1243 — $5182

💡 Egress window installation

$1243 — $5182

Estimated prices for Lower Mount Royal. Get accurate, free quotes from our verified contractors.

Why choose Basement Quotes Canada for your basement renovation in Lower Mount Royal?

Licensed & Insured Contractors

Every renovation partner is fully licensed, carries liability insurance, and has verified references in Lower Mount Royal.

100% Free Quote

No fees, no obligation. Compare up to 5 basement renovation quotes in Lower Mount Royal — completely free.

Waterproofing Expertise

Proper waterproofing is critical before finishing a basement. Our contractors in Lower Mount Royal assess and correct moisture issues first.

Code-Compliant Builds

All basement renovations — including legal suites — are built to code with proper permits in Lower Mount Royal.

Basement renovation services available in Lower Mount Royal

Home Theatre & Media Room

Custom home theatre and media room design and installation. Wiring, acoustics and custom millwork in Lower Mount Royal.

Basement Finishing

Full basement finishing in Lower Mount Royal — framing, insulation, drywall, flooring, lighting and trim. Turn unused space into living space.

Basement Waterproofing

Interior and exterior waterproofing systems. Sump pumps, drainage membranes, crack injection in Lower Mount Royal.

Underpinning

Basement underpinning to increase ceiling height in Lower Mount Royal. Structural engineering and permit included.

Legal Basement Suite

Complete legal basement suite construction in Lower Mount Royal. Permits, egress, kitchen, bathroom, separate entrance — income-ready.

Basement Bathroom

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

Frequently asked questions — Basement renovation in Lower Mount Royal

How much does it cost to finish a basement in Lower Mount Royal?
A full basement finish in Lower Mount Royal typically costs $20731–$62195, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3109–$9329. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Lower Mount Royal?
A legal basement suite in Lower Mount Royal typically costs $9329–$31097, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Lower Mount Royal markets.
Do I need a permit to finish my basement in Lower Mount Royal?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Lower Mount Royal. 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 Lower Mount Royal: 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 Lower Mount Royal?
A full basement finish in Lower Mount Royal 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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