Best home additions & second storeys contractors in Toronto
Picks are ranked by score and relevance to home additions & second storeys, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | UNIT HOMES | 87 | 5 (39) | — | Budget-conscious full additions |
| 2 | Kristal Renovations | 89 | 5 (53) | — | Precise carpentry and multi-room projects |
| 3 | Fortune Luxury Homes Inc. | 82 | 5 (12) | — | Luxury custom additions |
| 4 | BUILD IT Toronto | 78 | 5 (21) | — | Commercial-grade project discipline |
| 5 | Black Sparrow Contracting | 76 | 5 (7) | — | Fast-turnaround smaller additions |
1. UNIT HOMES
5 (39 reviews)score 87/100
Unit Homes earns a near-perfect composite score built on 39 reviews, with clients repeatedly pointing to Ali's hands-on leadership as the reason projects stay on schedule and on budget. Their work spans additions, decks, heat pump installs, and full remodels across the GTA, which shows they can handle the structural and mechanical layers a second storey demands.
- Ali personally steers projects with honest, budget-focused guidance
- Consistently finishes on schedule with organized coordination
- Clean finish work across additions, decks, and remodels
- Clients describe the process as stress-free from start to finish
Watch out: Verification score is on the lower side, so confirm licensing and insurance directly before signing.
Google-verified39 Google reviewsEstablished in 2018
Services: kitchen renovation, home additions, whole home renovation, emergency repair
2. Kristal Renovations
5 (53 reviews)score 89/100
Kristal Renovations posts the highest composite score on this list, backed by 53 reviews and the highest sentiment rating among the group. Reviewers describe transparent pricing, tidy job sites, and custom carpentry precise enough to trust with the finish details a second storey addition needs.
- Transparent pricing with no surprise fees
- Custom carpentry and detail work called out repeatedly
- Can run multiple projects simultaneously without losing quality
- Subcontractors are experienced and courteous on site
Google-verified53 Google reviews25+ Years
Services: kitchen renovation, bathroom renovation, basement renovation, whole home renovation
3. Fortune Luxury Homes Inc.
5 (12 reviews)score 82/100
Fortune Luxury Homes brings new-build and custom home experience into its addition and renovation work, with reviewers highlighting clean worksites and strong trade coordination. The review count is smaller at 12, but sentiment and recency scores are both strong, suggesting a consistent recent track record.
- Luxury finishes carried over from custom home builds
- Proactive project management with clear timelines
- Responsive aftercare once the job is done
- Efficient coordination between trades keeps sites clean
Watch out: Only 12 reviews behind the score, so it's a thinner sample than the top two picks.
Google-verified12 Google reviews
Services: basement renovation, custom home builder, kitchen renovation, flooring contractor
4. BUILD IT Toronto
5 (21 reviews)score 78/100
BUILD IT Toronto holds a perfect five-star rating across all 21 reviews, with particular strength in commercial build-outs and restaurant construction that translates into disciplined scheduling for residential additions too. Clients single out on-time delivery and responsive staff as the consistent thread.
- All reviews are five-star with on-time delivery cited repeatedly
- Full-service general contracting capability
- Strong commercial and restaurant construction background
- Team members are named and praised individually by clients
Watch out: Lower recency and confidence scores mean the review base is smaller and slightly older than others here.
Google-verified21 Google reviewssince 2008
Services: kitchen renovation, custom carpentry finishing, interior construction contractor, home builder
5. Black Sparrow Contracting
5 (7 reviews)score 76/100
Black Sparrow Contracting is a low-volume but high-conviction pick: all seven reviews are five-star, and clients describe Murillo compressing a kitchen renovation into two weeks instead of months. That same speed and transparency around cost is cited for bathroom, flooring, and addition work.
- Known for finishing well ahead of typical timelines
- Transparent cost management with no hidden increases
Watch out: Only seven reviews on record, so treat this as a promising but early-stage track record.
Google-verified7 Google reviews
Services: flooring contractor, kitchen renovation, interior construction contractor, tile contractor