Home › Ontario › Toronto › Basement Renovation

Top 5 Basement Renovation
in Toronto

We compared 5 Basement Renovation serving Toronto, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Basement lowering, Basement underpinning, and Bench footings.

★ Toronto’s featured basement renovation have the highest score among the nearby FiveBest markets compared.

★★★★★ Top 5 Selection ✓ Local analysis Updated regularly
True North Underpinning
★★★★★ 5.0 Google · 27 reviews
✓ FiveBest Research

True North Underpinning is a strong fit for basement-renovation projects that require basement lowering, crawl-space conversion, waterproofing, plumbing, in-floor heating or a new walkout in Toronto.

Best for
Creating additional basement headroom Converting a crawl space
Documented services

Basement underpinning · Bench footings · Crawl-space conversions

Experience: 15+ years in business
Service area: Toronto · Scarborough · East York · North York
Business information verified: August 2026
Services
Basement UnderpinningBasement WaterproofingBench Footing
CD Flood & Sewer Water Damage Cleanup
FiveBest Score™ 85/100
✓ FiveBest Research

Alongside its restoration work, CD Flood & Sewer Water Damage Cleanup documents basement finishing and remodeling for Toronto projects. Its services page describes custom design-and-build work plus project management and consultation, and cites conversions of dark or cluttered basements into functional living areas such as game rooms or home theatres.

Best for
Finishing dark or cluttered basements Basement game room conversions
Documented services

Basement finishing and remodeling · Custom design and build · Project management and consultation

Business information verified: August 2026
Also featured on FiveBest: Bathroom Remodelers
Royal Work Basement Waterproofing Toronto
FiveBest Score™ 85/100
✓ FiveBest Research

Royal Work Basement Waterproofing Toronto documents basement lowering and underpinning work that can create additional usable space in older Toronto homes. Its renovation-relevant services also include concrete floor installation, egress windows, and interior or exterior waterproofing where structural excavation and moisture control are part of the project.

Best for
Creating more usable basement space Renovations requiring foundation underpinning
Documented services

Basement lowering · Foundation underpinning · Concrete floor installation

Business information verified: August 2026
Aquamaster Basement Waterproofing Toronto
FiveBest Score™ 83/100
✓ FiveBest Research

Aquamaster Basement Waterproofing Toronto supports basement-renovation projects by addressing structural and moisture-control work before finishing. Its Toronto office and official project pages document basement underpinning and floor lowering, bench footing and walkout basement construction, alongside interior basement waterproofing.

Best for
Basement floor-lowering projects Waterproofing before basement finishing
Documented services

Basement underpinning and floor lowering · Bench footing · Basement walkout construction

Business information verified: August 2026
Also featured on FiveBest: Pool Services
Direct Basement Waterproofing Toronto
FiveBest Score™ 82/100
✓ FiveBest Research

Direct Basement Waterproofing Toronto is relevant to Toronto basement renovation projects requiring structural space creation or moisture control. Its documented basement-lowering work uses underpinning or bench footings to increase basement height, alongside interior and exterior waterproofing that can address leaks and dampness before finishing a space.

Best for
Increasing basement height for usable space Renovation preparation for wet basements
Documented services

Basement lowering · Underpinning and bench footings · Interior basement waterproofing

Business information verified: August 2026
FiveBest Local Market Comparison

Toronto basement renovation lead nearby FiveBest markets

Featured basement renovation in Toronto have a median FiveBest Score™ of 84/100, compared with 69/100 for featured basement renovation across Ontario.

Among nearby FiveBest markets, those in Mississauga (77/100) and Vaughan (74/100) and Markham (73/100) score below Toronto.

Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.

How we researched Basement Renovation in Toronto

FiveBest reviews publicly available information for Basement Renovation serving Toronto.

  • Google rating and review history
  • Documented services
  • Years in business when available
  • Toronto and surrounding service coverage
  • Business website and online presence
  • Independent reputation signals when available

Research last updated: September 2026

Typical Basement Renovation Price Ranges

Price ranges are based on typical industry averages. Actual costs may vary depending on basement size, existing conditions, project scope, materials, plumbing, electrical work, insulation, flooring, permits and local market conditions.

  • Basic basement finish $25,000–$55,000
  • Full basement renovation $55,000–$120,000+
  • Bathroom addition $12,000–$35,000
  • Flooring $4–$12/sq ft
  • Drywall & finishing $8,000–$25,000+

Common Services

  • Basement renovation in Toronto
  • Basement finishing in Toronto
  • Basement remodeling in Toronto
  • Basement bathroom renovation in Toronto
  • Basement bedroom construction in Toronto
  • Basement family room renovation in Toronto

FiveBest Match™

Coming Soon

FiveBest Match™ will soon help you compare businesses based on your specific needs.

FiveBest Match™ — Coming Soon 🔒

How to Choose a basement renovation contractor in Toronto

Compare basement renovation contractors in Toronto for finished basements, family rooms, bedrooms, bathrooms, home offices, flooring, insulation, drywall, ceilings and complete basement remodeling. FiveBest helps homeowners compare selected local contractors based on relevant services, reputation and local presence.

Compare selected basement renovation contractors in Toronto for finished basements, family rooms, bedrooms, bathrooms, flooring, insulation, drywall and complete basement remodeling.

≈
Resolve Moisture First

Investigate leaks, foundation moisture, drainage or dampness before covering walls and floors.

▤
Clarify Permits & Egress

Ask about permits, bedroom egress, ceiling height, alarms and other requirements relevant to the planned use.

◇
Review Insulation

Compare insulation, air sealing and wall assemblies appropriate to the existing basement conditions.

$
Compare Complete Scope

Confirm framing, insulation, drywall, ceilings, flooring, electrical, plumbing and finishing allowances.

✓
Coordinate Qualified Trades

Confirm regulated electrical, plumbing or HVAC work is completed by the appropriate qualified trades.

↻
Plan for Hidden Conditions

Ask how unexpected moisture, foundation, plumbing or framing issues will be documented and priced.

What Affects Basement Renovation Costs

  • Basement size
  • Existing condition
  • Moisture or water issues
  • Framing and insulation
  • Electrical and lighting
  • Plumbing and bathroom work
  • Flooring and ceilings
  • Bedrooms and egress requirements
  • Permits and inspections
  • Level of finishes

Questions to Ask a Basement Renovation Contractor

  • Have moisture or water issues been assessed?
  • What insulation and wall assembly will be used?
  • Are permits or inspections required for the planned work?
  • If adding a bedroom, how will egress requirements be addressed?
  • Who performs electrical, plumbing and HVAC work?
  • What is included for flooring, ceilings and finishes?
  • How are hidden conditions and change orders handled?
  • What workmanship warranty is provided?
FiveBest makes it easy to compare top-rated local businesses so you can hire with confidence.

Frequently Asked Questions

Basement renovation costs in Toronto depend on the size and existing condition of the space, project scope, materials, flooring, insulation, electrical and plumbing work, bathrooms, structural changes and finishing requirements.

A basement renovation can include framing, insulation, drywall, ceilings, flooring, lighting, electrical work, plumbing, bathrooms, bedrooms, storage and living areas. The exact scope depends on the existing basement and intended use.

Permit requirements depend on the municipality and the work involved. Structural changes, plumbing, electrical work, new bedrooms and changes to exits or occupancy may require permits or inspections. Confirm local requirements before work begins.

A basement may be suitable for a bedroom when applicable requirements for ceiling height, ventilation, smoke and carbon monoxide alarms, emergency egress and other building-code provisions can be met. A contractor can help assess the existing space.

Existing leaks, moisture, drainage issues or signs of water infiltration should be investigated before finishing the basement. Covering an unresolved moisture problem can lead to damage to new materials and finishes.

Compare experience with basement projects, project scope, materials, permits, insulation and moisture considerations, written estimates, timelines, warranties and recent local reviews.

Basement Renovation in Nearby Cities