Best demolition contractors in Ontario

★★★★★5 (236 reviews)score 94/100

With 236 reviews at a perfect 5.0 and the top composite score on this list, We-Haul stands out for scheduling that never slips and invoices that match the original quote. Contractors and homeowners alike mention switching to them specifically because of that consistency.

• No hidden fees, ever
• Bins arrive and get picked up on schedule
• Named crew (Matthew, Jacob, Dillon, Mark) praised for care and courtesy
• Handles both one-off homeowner jobs and ongoing renovation work

Watch out: Built around disposal and bin logistics rather than structural teardown work itself.

Google-verified236 Google reviews

Services: emergency demolition, commercial industrial demolition, interior strip out, residential demolition

★★★★★5 (80 reviews)score 91/100

All 80 reviews are five-star, spanning careful heritage disassembly, occupied office tower work, and insurance-scoped fire damage removal. What sets Mammoth apart is site understanding: itemized quotes, dust containment from day one, and lots handed to builders needing no remedial cleanup.

• Itemized, transparent pricing on every quote
• Selective demolition that salvages original materials
• Site delivered clean and build-ready
• Handles specialty scope like post-tensioned concrete and flood-line precision removal

Google-verified80 Google reviews

Services: asbestos hazmat abatement, emergency demolition, commercial industrial demolition, interior strip out

★★★★★5 (83 reviews)score 90/100

Roman's team backs up 83 five-star reviews with HEPA-filtered dust barriers and coordinated junk removal, covering everything from deck teardowns to full basement guts. Reviewers point to his responsiveness during quoting as much as the work itself.

• Dust control barriers and HEPA equipment standard
• Site left clean after every job
• Responsive during quoting and planning
• No job considered too small or too large

Google-verified83 Google reviewssince 2021

Services: asbestos hazmat abatement, commercial industrial demolition, interior strip out, residential demolition

★★★★★4.8 (265 reviews)score 90/100

MGI carries the highest review count on this list at 265, with named crew members Peter, Ron, and Mike repeatedly flagged for clear communication and safe execution. The 4.8 average sits just under the perfect scores above it but comes from far more jobs.

• On-time completion with clean sites
• Named staff known for skill and communication
• Fair, straightforward pricing
• Proven across a large volume of jobs

Watch out: Rating runs slightly under the 5.0 average of several smaller competitors on this list.

Google-verified265 Google reviews

Services: asbestos hazmat abatement, excavation site clearing, commercial industrial demolition, residential demolition

★★★★★4.9 (116 reviews)score 90/100

Owner Jean-Sébastien shows up on-site personally, and jobs move fast: same-day estimates, crews within days, foundation and drain work often wrapped in under a week. Pricing comes in below competitors without reviewers reporting cut corners.

• Same-day quoting and estimates
• Owner on-site during jobs
• Competitive pricing relative to market
• Strong track record in foundation and drain-related demolition

Watch out: Leans toward foundation and drainage scope rather than general structural demolition.

Google-verified116 Google reviews15+ years

Services: excavation site clearing, demolition contractor

★★★★★4.9 (97 reviews)score 89/100

Morteza's crew earns consistent praise for punctuality and last-minute flexibility, including same-day tree removal and rescheduling to accommodate urgent requests. Deck restoration and fence builds are the most-praised work.

• Punctual and efficient scheduling
• Personal follow-up from owner Morteza
• Strong reputation for deck and fence work
• Willing to accommodate last-minute requests

Watch out: Primarily a landscaping company; demolition work sits alongside deck, fence, and tree services rather than as a standalone specialty.

Google-verified97 Google reviewssince 1985

Services: residential demolition, demolition contractor, excavation site clearing

★★★★★5 (73 reviews)score 89/100

Rodrigo and Xander's team quotes and schedules jobs fast, in one case a kitchen removal within 72 hours, and every review across 73 mentions speed and cleanliness together. Multiple customers say they collected other quotes first and chose Almar on price and professionalism.

• Responsive same or next-day quoting
• Solves tricky access and layout problems
• Thorough site cleanup and property care
• Competitive pricing confirmed against other quotes

Google-verified73 Google reviews20+ years

Services: asbestos hazmat abatement, emergency demolition, commercial industrial demolition, interior strip out

★★★★★5 (161 reviews)score 89/100

161 recent reviews all land at five stars, with Rami and Randy named repeatedly for finishing on or ahead of schedule. The company is licensed and WSIB compliant with over a decade in business.

• Five-star track record across 161 reviews
• Fully licensed and WSIB compliant
• Finishes on or ahead of schedule
• Clear communication throughout the job

Google-verified161 Google reviews10+ years

Services: asbestos hazmat abatement, emergency demolition, commercial industrial demolition, interior strip out

★★★★★4.9 (132 reviews)score 89/100

Named staff John, Pat, Blake, Mike, and Nelson get called out for courtesy and technical know-how, and the company stands behind its work by handling issues that surface afterward, including mould remediation and plumbing fixes outside original scope.

• Site left cleaner than crews found it
• Staff answer technical questions with real expertise
• Follows up and fixes issues after the job
• Offers intumescent paint services most competitors skip

Watch out: One reviewer waited weeks for a callback on initial inquiry.

Google-verified132 Google reviewssince 1967

Services: asbestos hazmat abatement, commercial industrial demolition, demolition contractor, residential demolition

★★★★★5 (64 reviews)score 89/100

Owner Andriy brings technical depth in underpinning and hydrostatic pressure work, with photo updates sent throughout and quotes that reviewers say match the final bill exactly. The crew works carefully around existing utilities and finishes.

• Quote equals final price, no surprises
• Photo documentation throughout the job
• Andriy's foundation and waterproofing expertise
• Clean workspace and respectful of property

Watch out: Smaller review base (64) than the top of this list, though feedback is uniformly positive.

Google-verified64 Google reviewsover 10 years

Services: residential demolition, demolition contractor, excavation site clearing

★★★★★5 (118 reviews)score 88/100

Najeeb, Dev, Moh, David, and Robin get named repeatedly for handling awkward loads, from treadmills to renovation debris, without damage or drama. Same-day availability and upfront pricing show up across all 118 reviews.

• Same-day pickup availability
• Transparent pricing communicated upfront
• Named crew with consistent track records
• Handles difficult or bulky loads safely

Watch out: Focused on junk and debris removal rather than structural demolition itself.

Google-verified118 Google reviews

Services: residential demolition, demolition contractor

★★★★★5 (119 reviews)score 88/100

With over 30 years in operation, Helping Hand handles chimney demolition and concrete floor repair alongside driveway and masonry rebuilds, sometimes completing full driveway overhauls with drainage in a single day.

• Full projects completed in a single day
• Named staff (Tony, Kelly, Adam, Nathan) called out for reliability
• Competitive quotes with warranties offered
• Wide range from masonry to concrete to driveways

Watch out: Based out of the Ottawa area (Blackburn Hamlet, Gatineau) rather than the GTA, and demolition sits within a broader masonry and hardscaping business.

Google-verified119 Google reviewsOver 30 years

Services: concrete asphalt demolition, demolition contractor, residential demolition

★★★★★4.8 (82 reviews)score 87/100

Reviewers name a large, consistent crew (Dwight, Gerry, Josimar, Victor, Jennifer, Dakota, Martin) that communicates daily and leaves sites spotless each evening, including work in noise-restricted condo buildings.

• Daily site updates and communication
• Spotless cleanup at the end of every day
• Asbestos and hazmat screening included
• Consistent named crew across repeat jobs

Google-verified82 Google reviews

Services: asbestos hazmat abatement, emergency demolition, commercial industrial demolition, interior strip out

★★★★★5 (47 reviews)score 87/100

Drew's crew is repeatedly described as finishing ahead of schedule with careful attention to property boundaries, backed by a perfect 5.0 across 47 reviews. Turnaround from quote to job start comes up as a consistent strength.

• Fast turnaround from quote to start
• Precision and attention to detail under Drew's lead
• Site cleanup included
• Responsive communication throughout

Watch out: Smaller review base (47) than most others on this list, though all feedback is positive.

Google-verified47 Google reviewssince 2018

Services: emergency demolition, commercial industrial demolition, interior strip out, residential demolition

★★★★★5 (42 reviews)score 87/100

Vlad's team is singled out for cuts done right on the first attempt and for bringing their own equipment, including generators, to keep projects moving without relying on site power. Residential and commercial clients both report fair pricing and easy coordination.

• Precise cuts and drilling done right the first time
• Arrives on schedule and leaves the site clean
• Responsive same-day or next-morning service
• Brings own equipment including generators

Watch out: Smaller review count (42) and more specialized in cutting and drilling than general structural demolition.

Google-verified42 Google reviews15+ years experience

Services: residential demolition, demolition contractor, concrete asphalt demolition, commercial industrial demolition