Best garage additions & conversions specialists in Toronto
These are the Toronto contractors who treat garage additions and conversions as core business, not a side job tacked onto a broader renovation list. Ranking follows our methodology, which weighs review volume, recency, sentiment, and verification alongside star rating.
Looking for the wider field of general contractors who also handle garages among many other project types? See our best garage builders overall list. The picks here are ordered by composite score among businesses where garage work is a primary specialty.
Picks are ranked by score and relevance to garage additions & conversions, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Eastern Western Construction Design & Build Toronto | 89 | 5 (66) | — | Full-scope custom builds |
| 2 | 416 Construction | 87 | 5 (46) | — | In-house design-build teams |
| 3 | Violet Build Toronto | 89 | 5 (58) | — | Complex permits & accessibility work |
| 4 | Piatek Homes | 84 | 5 (24) | — | Framing & underpinning specialists |
| 5 | Nicks Developments | 82 | 4.7 (28) | — | Owner-led custom projects |
| 6 | Woodsmith Construction Inc | 76 | 5 (15) | — | Multi-floor renovation management |
| 7 | Home Services at The Home Depot | 55 | 2.8 (4) | — | Only if other options are unavailable |
1. Eastern Western Construction Design & Build Toronto
5 (66 reviews)score 89/100
Eastern Western posts a perfect 5.0 from 66 reviews, the highest review volume on this list, with reviewers repeatedly pointing to Yiannis and his team handling design, permits, and construction as one package. That range shows up in praise for two-storey additions and basement work delivered on tight timelines without surprise charges.
- Manages design and permits alongside the physical build
- Consistently five-star across 66 reviews
- Clean worksite and polished finish work
- Fair pricing without cut corners, per reviewers
Services: garage additions conversions, custom finishes heated garages, detached garage construction, garage permits design
2. 416 Construction
5 (46 reviews)score 87/100
416 Construction keeps architects, engineers, and builders under one roof, which reviewers credit with faster decisions and fewer finger-pointing moments on garage and addition projects. Patrick and Edward's team backs that up with Tarion and HCRA licensing and a track record of finishing on time and on budget.
- In-house architects and engineers cut out third-party delays
- Tarion and HCRA licensed builder
- Named staff (Edward, Patrick, Rich, Max) get repeat mentions for follow-through
- Helps clients with rental tenant placement after conversions
Services: garage additions conversions, detached garage construction
3. Violet Build Toronto
5 (58 reviews)score 89/100
Violet Build has a perfect five-star record across 58 reviews, with Ali and Mozhdeh named specifically for handling tricky municipal permit work and structural changes like wall removal. Reviewers also mention the team adding finishing touches, such as pot lights or glass railings, without padding the invoice.
- Every review is five stars
- Handles basement entrance permits and other municipal red tape
- Backs completed work with a 2-year warranty
- Known for adding finishing extras at no charge
Services: detached garage construction, garage additions conversions
4. Piatek Homes
5 (24 reviews)score 84/100
Piatek Homes holds a clean five-star average across 24 reviews, with Matt's team singled out for staying on schedule and on budget through structural work like framing and underpinning. Reviewers describe honest scope-setting and hands-on decision support throughout the build.
- No reported cost overruns or delays across 24 reviews
- Matt personally handles permits and on-site decisions
- Framing and underpinning focus fits garage conversion structural needs
- Transparent, honest scope discussions
Watch out: Review volume is lower than the top three, so the track record is thinner.
Services: garage additions conversions, detached garage construction
5. Nicks Developments
4.7 (28 reviews)score 82/100
Nicks Developments draws consistent praise for Nick's personal, hands-on involvement across multi-year custom home and addition projects, backed by a 4.7 rating from 28 reviews. Reviewers point to honest problem-solving when issues come up rather than avoidance.
- Owner-led attention on every project
- 20-year track record referenced by reviewers
- Transparent communication start to finish
- Addresses problems directly instead of deflecting
Watch out: Rating sits a touch below the five-star specialists above it on this list.
Services: custom finishes heated garages, detached garage construction, garage additions conversions
6. Woodsmith Construction Inc
5 (15 reviews)score 76/100
Woodsmith Construction has a perfect five-star record, but from a smaller pool of 15 reviews, so treat the sample size as a caveat. Reviewers credit Chris Smith with keeping complex, multi-floor jobs organized through weekly cost reports and firm budget tracking.
- Design and construction handled under one roof
- Weekly cost reporting keeps budgets visible
- Chris Smith's hands-on oversight gets named praise
- Reviewers note respect for neighbours and clean sites
Watch out: Only 15 reviews on record, so the five-star average has less data behind it than the top picks.
Services: detached garage construction, garage additions conversions
7. Home Services at The Home Depot
2.8 (4 reviews)score 55/100
Home Services at The Home Depot carries licensing and insurance backing from a national brand, but the review record here is thin and recent, four reviews total, with two one-star complaints about incompetent and dismissive service dragging the score down sharply.
- Backed by Home Depot's licensing and insurance
- National brand with broad service availability
Watch out: Recent reviews describe incompetent work and dismissive customer service; the sample is small but skews heavily negative.
Services: detached garage construction, garage additions conversions