Only Basements
Foundations & Underpinning in Yonge & St. Clair, Old Toronto
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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- Mon–Fri
- 9 a.m.–5 p.m.
- Saturday
- 10 a.m.–4 p.m.
- Sunday
- Closed
- 2 St Clair Ave W 18th Floor, Toronto, ON M4V 1L5
- Visit website
- View on Google Maps
Listed for
Its own website also names basement finishing and underpinning & waterproofing. Read from the company's site, not checked against any register.
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
- 2016
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
50 / 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
- 27 / 45
- Adjusted Google rating22 / 30
- Review volume5 / 15
- What it states on its own site
- 0 / 22
- Website and record
- 23 / 25
- Website answered when we checked it10 / 10
- Themes reviewers keep repeating6 / 6
- 3 or more project photographs3 / 3
- 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 7 reviews stored on this record. Each phrase carries the review sentence it came from.
- Foundations
- No surprise charges
- Answers quickly
- Honest
- Cleans up after
- Handles permits
What customers say
4 of the 5 are 5-star and 1 is 1-star. Ratings are set by the people who left them, not by ConcreteFinder.
James
Rated 5.0 out of 5 · Google review · 2 years ago
“I want to express my appreciation for the work done by Only Basements at my home in East York. The team not only brought my idea and vision to life, The construction process was remarkably smooth and far easier than I had anticipated. I must especially…”
Brandon
Rated 5.0 out of 5 · Google review · 2 years ago
“The process began with a thorough and detailed initial consultation. They took his time to understand my vision and budget. He provided valuable insights, creative suggestions, and a clear roadmap for next steps. The attention to detail in every aspect of the renovation was remarkable. Whether…”
Kyle
Rated 5.0 out of 5 · Google review · 8 years ago
“I can honestly say Onlybasements is an incredible company to work with. I had them underpin, waterproof and completely refinish my basement. They are not the cheapest but they are also not the most expensive that I found. They are open and honest right from the…”
Krysta
Rated 5.0 out of 5 · Google review · 8 years ago
“We called a few places to have our basement underpinned, waterproofed and completely refinished. From the beginning we found that OnlyBasements was professional and transparent with their quote and work. We are very happy with our basement and would recommend to fiends and family.”
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.
- Only Basements's own website
- Everything on this page introduced by the word “says”, quoted from its pages. Read September 5, 2026.
- City of Toronto business licences
- Searched under this trading name, in the renovator, driveway paving and drain categories, with no match. Read September 5, 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 Only Basements
Is Only Basements well reviewed?
Only Basements holds a 4.2-star Google rating across 5 reviews. Based on ConcreteFinder's analysis of Google review data, read the newest reviews first, because a concrete crew changes hands and changes hires. We always recommend comparing at least three quotes before you hire.
Where does Only Basements operate?
Only Basements works out of Yonge & St. Clair in the Old Toronto area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 2 St Clair Ave W 18th Floor, Toronto, ON M4V 1L5.
How do I get a quote from Only Basements?
You can contact Only Basements directly or through its website, or through its Google Business Profile.
Before you hire, run through the questions to ask a foundation contractor.