Finished basement in Downtown Cambridge — open concept design
8 basement renovation projects submitted this week in Downtown Cambridge

Basement Renovation
Downtown Cambridge

An damp basement in Downtown Cambridge is lost living space. Our renovation partners design and build basements that add value. No-cost estimate within 24h.

$22000
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Your basement renovation in Downtown Cambridge

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Why choose Basement Quotes Canada for your basement renovation in Downtown Cambridge?

Licensed & Insured Contractors

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

100% Free Quote

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

Waterproofing Expertise

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

Code-Compliant Builds

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

Basement renovation prices in Downtown Cambridge — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$19131 – $57395
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$8609 – $28697
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$2869 – $11479

🛁 Basement bathroom addition

$1147 — $4782

☔ Interior waterproofing system

$2869 — $11479

🌡️ Basement heating installation

$1147 — $4782

💡 Egress window installation

$1147 — $4782

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

Basement renovation services available in Downtown Cambridge

Basement Finishing

Full basement finishing in Downtown Cambridge — 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 Downtown Cambridge.

Underpinning

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

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 Downtown Cambridge.

Legal Basement Suite

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

Frequently asked questions — Basement renovation in Downtown Cambridge

How much does it cost to finish a basement in Downtown Cambridge?
A full basement finish in Downtown Cambridge typically costs $19131–$57395, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $2869–$8609. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Downtown Cambridge?
A legal basement suite in Downtown Cambridge typically costs $8609–$28697, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Downtown Cambridge markets.
Do I need a permit to finish my basement in Downtown Cambridge?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Downtown Cambridge. 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 Downtown Cambridge: 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 Downtown Cambridge?
A full basement finish in Downtown Cambridge 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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