Top 5 Basement Renovation
in Ajax
We compared 5 Basement Renovation serving Ajax, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Residential renovations, Commercial renovations, and Home interiors.
↘ Ajax’s featured basement renovation have a FiveBest Score below the Ontario benchmark.

HH renovation & general contracting Inc lists complete basement work on its website for residential and commercial renovation clients. Its documented interior services, including electrical work, plumbing, flooring and painting, can be relevant to a basement project requiring several scopes coordinated by one contractor in Ajax.
Residential renovations · Commercial renovations · Home interiors

AKMA Design & Build is an Ajax-based basement renovation contractor offering basement finishing and complete remodels. Its documented scope includes insulation, drywall, flooring and lighting, with layouts for home offices, guest suites, entertainment rooms and basement bathroom additions.
Basement finishing · Complete basement remodels · Home office and guest suite conversions

For Ajax basement renovation projects, Ultra Renovations Inc documents below-grade finishing focused on basement floors and powder rooms. Its process can include slab moisture testing, crack isolation, levelling, an uncoupling membrane and porcelain tile selected for below-grade conditions, with optional electric in-floor heating.
Basement floor finishing · Basement powder room renovation · Slab moisture testing

Legal basement renovation is a named service at Jajio Renovation Inc.'s Ajax office. The company describes finished basement layouts for added living space or rental units, along with custom side entrances, and states that these projects are designed to meet local building-code and safety standards.
Legal basement renovations · Finished basement layouts · Custom side entrances

Basement renovation is specifically listed on the matching Ajax profile for Babak Construction Solutions Inc. The same published service list also includes drywall finishing and painting, laminate, hardwood, tile and vinyl-plank flooring installation, plus plumbing renovations for interior renovation work.
Basement renovation · Drywall finishing and painting · Flooring installation
Ajax basement renovation score below the Ontario benchmark
Featured basement renovation in Ajax have a median FiveBest Score™ of 65/100, compared with 69/100 for featured basement renovation across Ontario.
Among nearby FiveBest markets, basement renovation in Pickering (67/100) and basement renovation in Whitby (71/100) and basement renovation in Oshawa (70/100) score higher.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched Basement Renovation in Ajax
FiveBest reviews publicly available information for Basement Renovation serving Ajax.
- Google rating and review history
- Documented services
- Years in business when available
- Ajax 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 Ajax
- Basement finishing in Ajax
- Basement remodeling in Ajax
- Basement bathroom renovation in Ajax
- Basement bedroom construction in Ajax
- Basement family room renovation in Ajax
FiveBest Match™
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FiveBest Match™ — Coming Soon 🔒How to Choose a basement renovation contractor in Ajax
Compare basement renovation contractors in Ajax 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 Ajax for finished basements, family rooms, bedrooms, bathrooms, flooring, insulation, drywall and complete basement remodeling.
Investigate leaks, foundation moisture, drainage or dampness before covering walls and floors.
Ask about permits, bedroom egress, ceiling height, alarms and other requirements relevant to the planned use.
Compare insulation, air sealing and wall assemblies appropriate to the existing basement conditions.
Confirm framing, insulation, drywall, ceilings, flooring, electrical, plumbing and finishing allowances.
Confirm regulated electrical, plumbing or HVAC work is completed by the appropriate qualified trades.
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?
Frequently Asked Questions
Basement renovation costs in Ajax 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.