Basement renovation completed in Comox
25 basement renovation projects submitted this week in Comox

Basement Renovation
Comox

Did you know that a basement legal suite can add 10–20% to your home's value in Comox? Our licensed contractors design and deliver code-compliant basement spaces on time and on budget.

$22000
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Why choose Basement Quotes Canada for your basement renovation in Comox?

Licensed & Insured Contractors

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

100% Free Quote

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

Waterproofing Expertise

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

Code-Compliant Builds

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

Basement renovation prices in Comox — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$22338 – $71076
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$10153 – $35538
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3553 – $14215

🛁 Basement bathroom addition

$1523 — $6092

☔ Interior waterproofing system

$3553 — $14215

🌡️ Basement heating installation

$1523 — $6092

💡 Egress window installation

$1523 — $6092

Estimated prices for Comox. Get accurate, free quotes from our verified contractors.

Basement renovation services available in Comox

Basement Waterproofing

Interior and exterior waterproofing systems. Sump pumps, drainage membranes, crack injection in Comox.

Legal Basement Suite

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

Underpinning

Basement underpinning to increase ceiling height in Comox. Structural engineering and permit included.

Basement Bathroom

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

Home Theatre & Media Room

Custom home theatre and media room design and installation. Wiring, acoustics and custom millwork in Comox.

Basement Finishing

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

Frequently asked questions — Basement renovation in Comox

How much does it cost to finish a basement in Comox?
A full basement finish in Comox typically costs $22338–$71076, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3553–$10153. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Comox?
A legal basement suite in Comox typically costs $10153–$35538, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Comox markets.
Do I need a permit to finish my basement in Comox?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Comox. 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 Comox: 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 Comox?
A full basement finish in Comox 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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