Best detached garage builders in Ontario
Picks are ranked by score and relevance to detached garage construction, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Summit - Sheds and Structures | 89 | 5 (186) | — | Fast, no-mess single-day builds |
| 2 | KingsGate Luxury Homes Inc. | 91 | 5 (95) | — | High-end custom garages and full builds |
| 3 | Toro Steel Buildings | 88 | 4.8 (448) | — | Pre-engineered steel garage kits |
| 4 | 2x2 Construction | 88 | 5 (80) | — | Laneway garages and garden suites |
| 5 | Aria Build | 88 | 4.9 (78) | — | Licensed, warrantied custom structures |
| 6 | Arham Home Builder & Renovator Inc | 88 | 5 (52) | — | Budget-conscious builds with flexible terms |
| 7 | RE-NUITT BUILDERS INC. | 87 | 4.9 (118) | — | Custom outdoor structures and stonework |
| 8 | MAGM Epoxy Flooring and General contractor | 85 | 4.8 (136) | — | Garage floor coatings and finishing |
| 9 | Sunshine Build and Design | 85 | 5 (31) | — | Small-scale additions with close attention to detail |
| 10 | Plus Handyman | 85 | 5 (28) | — | Small garage repairs and fast turnarounds |
| 11 | Invincible Garage | 82 | 4.9 (37) | — | Garage interior transformations |
| 12 | VOD Steel Buildings: North America's Premier Prefab Metal Buildings | 81 | 4.8 (259) | — | Large prefab steel structures, with caution |
| 13 | Gravity Developments | 84 | 4.9 (28) | — | Full-service builds with hands-on ownership |
| 14 | Summerwood Products | 80 | 4.5 (99) | — | Prefab garden structures and garage kits |
| 15 | BBJS General Construction Inc. | 82 | 5 (38) | — | Exterior specialists adding structural work |
1. Summit - Sheds and Structures
5 (186 reviews)score 89/100
Summit's crews put up a full structure in a single day and leave the site as clean as they found it, which is rare in this trade. With 186 reviews all landing at five stars and strong scores across rating, volume, and recency, this is one of the most consistently reviewed specialists on the list.
- One-day build and full site cleanup on the same visit
- Paula walks customers through design and planning with clear, responsive answers
- Eric and Joe are named repeatedly for speed and professionalism
- Efficient quoting and ordering process from first call to finish
Services: detached garage construction, garage permits design, custom finishes heated garages
2. KingsGate Luxury Homes Inc.
5 (95 reviews)score 91/100
KingsGate leans toward large-scale custom home work, but the same discipline that gets 12,000+ sq. ft. renovations delivered on time and on budget applies to standalone structures. Afshin's hands-on involvement on every job is the throughline in almost every review.
- Owner Afshin personally oversees each project
- Consistent on-time, on-budget delivery
- Skilled trade crews that keep worksites clean
- Handles everything from lot selection through final finishes
Services: garage additions conversions, detached garage construction, garage permits design
3. Toro Steel Buildings
4.8 (448 reviews)score 88/100
Toro sells and delivers pre-engineered steel buildings across Ontario, with named staff who walk buyers through site-specific layout choices before delivery. At 448 reviews it's the highest-volume business on this list, and the rating holds at 4.8 despite that scale.
- Named staff (Joe Allen, Mark Richardson, Aaron James and others) give technical, unpressured advice
- Custom layouts adapted to site constraints
- Typical turnaround of 2-4 days from order to delivery
- Quality materials that assemble with an accurate fit
Services: detached garage construction
4. 2x2 Construction
5 (80 reviews)score 88/100
2x2 Construction has a perfect run of five-star reviews across 80 customers, with named site supervisors (Joel, Lorne) and a design lead (Jamelya) who reviewers credit for keeping projects on schedule even through winter builds. Their laneway house and garden suite work translates directly to detached garage projects.
- Strong site supervision named by reviewers (Joel, Lorne)
- Clear budget-to-finish delivery with no complaints on record
- Responsive design collaboration through quotation changes
- Family-run team where the same people handle your project start to finish
Services: garage additions conversions, detached garage construction, carriage house laneway garage
5. Aria Build
4.9 (78 reviews)score 88/100
Aria Build is an HCRA-licensed builder with Tarion new-home warranty coverage, run by Behzad, who reviewers say stays personally responsive through complex briefs. That licensing and warranty backing matters for a permanent structure like a detached garage, not just a home renovation.
- HCRA licensed with Tarion new-home warranty
- Owner Behzad maintains long-term client relationships
- Handles complex briefs including accessibility and multigenerational needs
- Post-sale warranty follow-up beyond handoff
Services: detached garage construction
6. Arham Home Builder & Renovator Inc
5 (52 reviews)score 88/100
Nadeem's team has 15+ years of repeat and referred business behind it, and reviewers describe a willingness to fix problems at no cost and offer flexible payment plans without being asked. That combination of finish quality and fair dealing carries over well to detached garage work.
- 15+ year track record with repeat and referred clients
- Consistently on-time and on-budget
- Warranty and after-service support, including free fixes
- Flexible payment plans offered proactively
Services: detached garage construction
7. RE-NUITT BUILDERS INC.
4.9 (118 reviews)score 87/100
Justin's crew shows up in reviews for outdoor stonework, concrete, and structural additions with the same named team members (Ryan, Petros, Ivan, Dylan) appearing project after project, which suggests consistent staffing rather than rotating subcontractors. Jobs land on time and on budget across 118 reviews.
- Named crew members known for daily communication and follow-through
- Custom-designed work tailored to the client's vision
- On-time and on-budget delivery
- Crews clean up after themselves
Services: detached garage construction
8. MAGM Epoxy Flooring and General contractor
4.8 (136 reviews)score 85/100
John's team focuses on garage and porch floor coatings, often finishing a job in a single day with concrete crack repair built into the process. Reviewers consistently praise the finish quality and pricing, though the warranty side of the business needs scrutiny.
- Typical one-day completion using polyaspartic and epoxy systems
- Concrete crack repair included in prep work
- Crews leave the site clean
- Fair pricing for the material and craftsmanship
Services: detached garage construction, custom finishes heated garages
9. Sunshine Build and Design
5 (31 reviews)score 85/100
Greg and Kirk lead a team that reviewers say sticks to timelines and budgets while treating each home with care. The review count is smaller at 31, but every recent review is five stars and the sentiment score is one of the strongest on this list.
- Clear communication from design through build
- On-time and on-budget delivery
- Detail-focused execution named across reviews
- Repeat hires and referrals from past clients
Services: detached garage construction, garage additions conversions
10. Plus Handyman
5 (28 reviews)score 85/100
Haci's team is built around same-day and short-notice availability, assessing a job in person before quoting. That responsiveness suits garage repair or finishing work more than a full new build, and the 28-review record is spotless.
- Same-day or short-notice availability
- Pre-work assessment before quoting
- Spotless cleanup after the job
- Reasonable, consistent pricing
Services: detached garage construction
11. Invincible Garage
4.9 (37 reviews)score 82/100
Aryan's crew focuses on floor installations, ProSlat wall storage, and polyaspartic flooring that turn neglected garages into usable space, finishing in days rather than weeks. Reviewers name Hadi and Jeff alongside Aryan for consistent craftsmanship.
- Fast turnaround, often days not weeks
- ProSlat wall storage and polyaspartic flooring expertise
- Aryan's direct oversight and clear communication
- Clean, respectful worksites
Services: detached garage construction, garage permits design, custom finishes heated garages
12. VOD Steel Buildings: North America's Premier Prefab Metal Buildings
4.8 (259 reviews)score 81/100
VOD's satisfied customers praise Danny and Oliver for patient, knowledgeable design help and on-time shipping, and the 259-review volume is the largest on this list. But the sentiment score is notably lower than peers here because of a real cluster of complaints worth reading before you commit.
- Named staff (Danny, Oliver, Roderick, Sam) provide detailed design and permit guidance
- Quality steel and manufacturing for customers who received their buildings
- Willing to customize designs and handle municipal approvals
Services: custom finishes heated garages, detached garage construction
13. Gravity Developments
4.9 (28 reviews)score 84/100
Mazda's transparent budgeting and hands-on involvement come up in every review, from kitchen remodels to complete house builds. With 28 reviews the sample is smaller, but every one lands at or near five stars with strong sentiment.
- Mazda's hands-on leadership and design input
- Track record of meeting timelines and budgets
- Established relationships with vetted trades
- Interior design and permitting included in scope
Services: detached garage construction
14. Summerwood Products
4.5 (99 reviews)score 80/100
Summerwood runs a Scarborough showroom where staff like John walk buyers through options and an online tool lets you render a custom design before ordering. With 99 reviews and a 4.5 rating, the record is solid but shows more friction than the top of this list.
- Precision-cut prefabricated pieces speed up assembly
- On-site showroom with staff who help customize designs
- Online design tool for visualizing before you order
- Long-term warranty support, including parts replacement years later
Services: detached garage construction
15. BBJS General Construction Inc.
5 (38 reviews)score 82/100
Berti and Bruno bring over three decades of experience mostly built around decks, porches, fences, and exteriors, with a perfect five-star record across 38 reviews. Reviewers describe them catching and fixing problems without inflating the bill, which speaks well of their reliability for structural add-ons.
- Father-son team with 30+ years' experience
- Complete projects on time and on budget
- Fix problems they spot without overcharging
- Precision craftsmanship and quality materials
Services: detached garage construction
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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Guides before you choose
- What a detached garage costs in Ontario
Typical price ranges for a detached garage in Ontario by size and finish level, and the site factors that push a quote higher or lower.
- What to expect when building a detached garage, step by step
A realistic timeline for a detached garage build in Ontario, from first quote to final inspection, and where projects tend to slow down.
- Does adding a garage increase your home's resale value in Ontario?
What actually drives resale value when you add a garage in Ontario, and how to weigh that against building for your own use.