Best garage builders in Ontario
This ranks the top 15 garage builders and renovation contractors in Ontario by our earned composite score, which weighs rating, review volume, recency, sentiment, and verification (see methodology). Most of these teams handle the full range of build work, from standalone garages and additions to floors, storage systems, and custom homes, which is why the same names show up across specialties.
Builders who specialize more narrowly get their own dedicated rankings: detached garage construction, garage additions & conversions, and carriage house & laneway garages. This page blends every category into one overall composite-score ranking for builders who cover most or all of that ground.
Picks are ranked by score and relevance to garage builders, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Oakville Home Renovation Contractors by Gracia Makeovers | 94 | 5 (189) | — | Full-scope renovations with design-and-function balance |
| 2 | KingsGate Luxury Homes Inc. | 91 | 5 (95) | — | Large custom builds with owner-level oversight |
| 3 | Summit - Sheds and Structures | 89 | 5 (186) | — | Fast, clean-cut structure builds |
| 4 | Toronto Garage Solutions | 88 | 4.9 (79) | — | Garage floors, shelving & storage systems |
| 5 | 2x2 Construction | 88 | 5 (80) | — | Laneway houses & garden suites |
| 6 | Aria Build | 88 | 4.9 (78) | — | Luxury custom builds with formal warranty backing |
| 7 | Norseman Construction & Development Ltd. | 88 | 4.8 (94) | — | Complex, code-heavy renovations & additions |
| 8 | Arham Home Builder & Renovator Inc | 88 | 5 (52) | — | Long track record with flexible terms |
| 9 | Toro Steel Buildings | 88 | 4.8 (448) | — | Pre-engineered steel garage & shop kits |
| 10 | D2 Build Inc. | 88 | 5 (49) | — | Additions & older-home renovations with permit expertise |
| 11 | RE-NUITT BUILDERS INC. | 87 | 4.9 (118) | — | Custom kitchens, bathrooms & outdoor stonework |
| 12 | Terzetto Homes | 86 | 4.8 (88) | — | Design-led additions & remodels |
| 13 | Build 4 Outdoors | 86 | 5 (34) | — | Standalone garage builds, permits through finish |
| 14 | MAGM Epoxy Flooring and General contractor | 85 | 4.8 (136) | — | Fast garage floor epoxy coatings |
| 15 | Sunshine Build and Design | 85 | 5 (31) | — | Kitchen, bath & basement renovations with steady follow-through |
1. Oakville Home Renovation Contractors by Gracia Makeovers
5 (189 reviews)score 94/100
Gracia Makeovers posts a perfect 5.0 across 189 reviews and the highest composite score on this list. Elijah and Daniel's crew explains technical choices as they go, finishes on schedule even on tight timelines, and reviewers describe results that still look flawless months later.
- Listens to client vision before proposing solutions
- Designs for both beauty and function
- Finishes on time with no surprises
- Fair pricing, negotiates in good faith
Services: custom finishes heated garages, detached garage construction, garage additions conversions
2. KingsGate Luxury Homes Inc.
5 (95 reviews)score 91/100
KingsGate combines a near-perfect rating with Afshin's hands-on management across projects that run past 12,000 sq. ft. Reviewers point to on-time, on-budget delivery and clean worksites as the norm rather than the exception.
- Personal oversight from owner Afshin on every project
- Consistent on-time and on-budget delivery
- One firm from lot selection through final finishes
- Skilled, respectful trade crews
Services: garage additions conversions, detached garage construction, garage permits design
3. Summit - Sheds and Structures
5 (186 reviews)score 89/100
Summit pairs Paula's clear design guidance up front with Eric and Joe's ability to complete a build and full site cleanup in a single day. Craftsmanship and communication stay consistent from first quote to handoff.
- Single-day build and complete site cleanup
- Paula's responsive design guidance pre-build
- Fast, professional install crew
- Immaculate worksite management
Services: detached garage construction, garage permits design, custom finishes heated garages
4. Toronto Garage Solutions
4.9 (79 reviews)score 88/100
Toronto Garage Solutions turns bare concrete into organized, finished garage space, and reviewers specifically call out clean epoxy and flooring finishes plus quick turnarounds. Sikandar and Mujtaba's team stays responsive after the job wraps, returning to adjust installed pieces on request.
- High-quality epoxy and flooring finishes
- Efficient multi-day project turnarounds
- Organized shelving and slatwall storage
- Willing to revisit and adjust after install
Services: garage additions conversions, detached garage construction, garage doors openers, garage permits design
5. 2x2 Construction
5 (80 reviews)score 88/100
Every one of 2x2 Construction's 80 reviews is five stars, with reviewers naming Joel and Lorne for strong site supervision and Jamelya for design collaboration. Several projects stayed on schedule through winter builds, and no complaints turn up in the available reviews.
- Expert laneway house and garden suite builds
- Strong on-site supervision and design collaboration
- Budget transparency and on-time delivery
- Family-run team known by name to clients
Services: garage additions conversions, detached garage construction, carriage house laneway garage
6. Aria Build
4.9 (78 reviews)score 88/100
Aria Build is HCRA licensed and Tarion-covered, which matters for larger custom projects, and Behzad's team handles complex briefs like multigenerational layouts and accessibility features. Reviewers describe post-sale warranty follow-up that continues well past handoff.
- HCRA licensed with Tarion new-home warranty
- Owner-led by Behzad with long-term client relationships
- Handles complex briefs (multigenerational, accessibility)
- Clean trade coordination and clear communication
Services: detached garage construction
7. Norseman Construction & Development Ltd.
4.8 (94 reviews)score 88/100
Norseman's project managers (Mo, Ezad, Greg) run daily site visits and photo updates, which reviewers credit for making stressful jobs feel calm. The team has handled foundation reconstruction and basement-to-roof retrofits on schedule and within budget.
- Project managers embedded on-site throughout
- Transparent, itemized pricing up front
- Daily photo updates via app
- On-time and on-budget track record
Services: detached garage construction, garage additions conversions, carriage house laneway garage
8. Arham Home Builder & Renovator Inc
5 (52 reviews)score 88/100
Nadeem's team has built a reputation over 15+ years, with reviewers from as far back as 2013 still referring friends. They finish on budget and on time, and go beyond scope when needed, like replacing a faulty breaker at no cost after a tenant move-in.
- 15+ year track record with repeat clients
- Consistently on-time and on-budget
- Warranty and after-service support
- Flexible payment plans available
Services: detached garage construction
9. Toro Steel Buildings
4.8 (448 reviews)score 88/100
Toro carries the largest review volume on this list by far (448), with named staff who walk buyers through site-specific layout before a 2-4 day delivery turnaround. Most buyers assemble the kit themselves or bring in a local contractor.
- Named account staff who answer technical questions
- Pre-engineered designs customizable for site constraints
- Quality materials and accurate assembly fit
- Fast delivery, typically 2-4 days
Services: detached garage construction
10. D2 Build Inc.
5 (49 reviews)score 88/100
D2 Build's 30+ year history shows in how Jim and the team navigate party walls, permitting snags, and unexpected site conditions in older East York and Leslieville homes. Reviewers highlight transparent pricing with no cost overruns.
- Deep expertise in party walls and permit navigation
- Full project transparency, no cost overruns
- Named team across design, PM, and trades
- Handles complex older-home conditions
Services: garage additions conversions, detached garage construction, custom finishes heated garages, carriage house laneway garage
11. RE-NUITT BUILDERS INC.
4.9 (118 reviews)score 87/100
RE-NUITT's named crew (Ryan, Petros, Ivan, Dylan and others) earns consistent praise for daily communication and adapting mid-project, with several clients hiring them a second time. Justin's team delivers custom stone, kitchen, and basement work on time and on budget.
- Named staff known for follow-through and daily updates
- Custom-designed kitchens and bathrooms
- On-time and on-budget delivery
- Crews communicate throughout and clean up after themselves
Services: detached garage construction
12. Terzetto Homes
4.8 (88 reviews)score 86/100
Terzetto's in-house design team, Abby and Vivian by name, gets consistent credit for turning sketches into practical spaces, while project manager Taylor keeps clients updated daily. That reputation holds across 87 five-star experiences.
- In-house design team collaborates on every project
- Daily communication and transparent PM
- Clean, respectful worksites
- Solutions-oriented when issues arise
Services: garage additions conversions, detached garage construction
13. Build 4 Outdoors
5 (34 reviews)score 86/100
Build 4 Outdoors handles design, permits, and construction entirely in-house, and Marvin and Will stay involved from quote to handoff. Reviewers highlight a final bill that matches the original quote, with no upsell attempts along the way.
- Handles all permits and design in-house
- Turnkey: demolition through finishing
- Leadership stays involved start to finish
- Final bill matches original quote
Services: garage additions conversions, detached garage construction, garage doors openers, garage permits design
14. MAGM Epoxy Flooring and General contractor
4.8 (136 reviews)score 85/100
MAGM's crews handle concrete crack repair and lay premium polyaspartic and epoxy systems, often finishing in a single day. John and Aldo are named repeatedly for responsive, organized work, and pricing reads as fair for the finish quality.
- One-day completion typical
- Concrete crack repair included before coating
- Premium epoxy and polyaspartic systems
- Crew leaves worksite spotless
Services: detached garage construction, custom finishes heated garages
15. Sunshine Build and Design
5 (31 reviews)score 85/100
Every recent review of Sunshine Build and Design lands at five stars, with Greg and Kirk named as the leads who keep projects on time and on budget. Reviewers describe precise execution and respect for the home throughout, with many hiring the team again.
- Design-to-build transparency
- On-budget and on-schedule delivery
- Detail-focused execution
- Strong project communication
Services: detached garage construction, garage additions conversions
How these rankings are worked out
| Signal | Weight |
|---|---|
| Review sentiment | 28% |
| Google rating | 26% |
| Review volume | 20% |
| Profile completeness | 16% |
| Review recency | 10% |
Ranking data checked 2026-09-16 · Full methodology ›
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