Ontario Excavation & Underpinning
Foundations & Underpinning in Islington-City Centre West, Etobicoke
Market rate for foundation and underpinning work across the GTA
$350–$480 per linear foot
Source: Strong Basements. Excludes 13% HST. Not a quote from this company.
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- The website on this record did not answer when we last checked, so it is not linked.
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Listed for
What the public record shows
Read from registers anyone can search, on the dates shown. Nothing here comes from the company.
- Web address first archived
- 2008
The earliest copy of this address held by the Internet Archive. A company can be much older than its website, and this is a date about the address only.
ConcreteFinder Score
49 / 100
Scored on the same published method applied to every company on this site. Claiming a listing is free, and no company can pay to move. How the score works
- Reviews and reputation
- 37 / 45
- Adjusted Google rating27 / 30
- Review volume10 / 15
- What it states on its own site
- 0 / 22
- Website and record
- 12 / 25
- Website did not answer at the last check2 / 10
- Themes reviewers keep repeating6 / 6
- Phone on file2 / 2
- Hours posted2 / 2
- The claim
- 0 / 8
Nothing found stated on this company's own website. That is not a mark against it, only an absence of points here.
Nothing recorded.
What reviewers keep mentioning
Read from the 8 reviews stored on this record. Each phrase carries the review sentence it came from.
- Foundations
- Careful with the property
- Answers quickly
- Quality workmanship
- Flexible with changes
- Shows up on time
What customers say
32 of the 33 are 5-star and 1 is 1-star. Ratings are set by the people who left them, not by ConcreteFinder.
Larry
Rated 5.0 out of 5 · Google review · 7 years ago
“My experience with Ontario Excavation and Underpinning was a very positive one from start to finish. I feel that it is a a company with integrity and a strong commitment to provide quality work and customer satisfaction. All of my expectations were met and Ontario Excavation…”
Simon
Rated 5.0 out of 5 · Google review · 6 years ago
“Dallas, Sean, and the rest of the team were punctual and thorough in their communication around the engineers drawings we had and what was required for underpinning my basement walkout. Dallas also suggested alternate options for us to ask our engineer about that ended up making…”
Jennifer
Rated 5.0 out of 5 · Google review · a year ago
“Dallas and his team did a spectacular job in our basement. I was nervous about the underpinning part of our basement renovation but this team took great care of our home and got the job done on schedule and on budget. We highly recommend them.”
Elena
Rated 5.0 out of 5 · Google review · 3 years ago
“We used Ontario Excavation & Underpinning Inc for our basement underpinning. The team did a great job. They showed up on time, had a great crew, cleaned up after themselves and completed the project quickly and efficiently. We definitely recommend them! 👌”
Where this came from
Everything above is public information, gathered from the sources below and shown with the date it was read. ConcreteFinder does not charge a company to appear, and no company can pay to change what is on this page.
- Google Business Profile
- Name, address, phone, opening hours, photographs, rating and reviews. Read July 2026.
- Internet Archive
- The year this web address was first archived. Read September 5, 2026.
ConcreteFinder checks the website, phone, photographs and hours on this record, and searches the City of Toronto business licence register for companies inside the city. It does not check insurance or WSIB coverage, and no register in this region publishes those. Ask for them before you sign anything.
Last updated: By ConcreteFinder Research Team
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Questions about Ontario Excavation & Underpinning
Is Ontario Excavation & Underpinning well reviewed?
Ontario Excavation & Underpinning holds a 4.9-star Google rating across 33 reviews. Based on ConcreteFinder's analysis of Google review data, that is a strong score for a foundation contractor in the Greater Toronto Area. We always recommend comparing at least three quotes before you hire.
Where does Ontario Excavation & Underpinning operate?
Ontario Excavation & Underpinning works out of Islington-City Centre West in the Etobicoke area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is available on its Google Business Profile.
How do I get a quote from Ontario Excavation & Underpinning?
You can contact Ontario Excavation & Underpinning directly, or through its Google Business Profile.
Before you hire, run through the questions to ask a foundation contractor.