ACCL Waterproofing
Foundations & Underpinning in Oshawa, Durham
- Works for
- Not stated
- In business
- Claims about 38 years of experience
- City licence
- Not applicable here
- Paperwork
- Says it is licensed, insured and bonded
- Offers
- Free quotes
Nothing found on its website
Says so on its own site
Only Toronto publishes one
Its own words, unchecked
Says so on its own site
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.
Send a free quote requestThe form reaches ConcreteFinder by email. It is not sent on to this company.
- Mon–Sun
- 12 a.m.–11:30 p.m.
- 124 Wilson Rd S, Oshawa, ON L1H 6C1
- Visit website
- View on Google Maps
Listed for
Its own website also names interior waterproofing, exterior waterproofing, foundation repairs, weeping tile installation and underpinning. 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
- 2010
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
67 / 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
- 32 / 45
- Adjusted Google rating23 / 30
- Review volume9 / 15
- What it states on its own site
- 15 / 22
- Years going6 / 6
- Licence and insurance sentences on its own site9 / 9
- Website and record
- 20 / 25
- Website answered when we checked it10 / 10
- Themes reviewers keep repeating6 / 6
- Phone on file2 / 2
- Hours posted2 / 2
- The claim
- 0 / 8
Nothing recorded.
What reviewers keep mentioning
Read from the 8 reviews stored on this record. Each phrase carries the review sentence it came from.
- Basement waterproofing
- Crack repair
- Drainage
- Knows the trade
- Answers quickly
- Explains the work
What it states on its own website
Read off ACCL Waterproofing's own pages. Nobody checked these against a register.
- In business
- Claims about 38 years of experience
- Says it is
- licensed, insured and bonded
- Says it does
- The Wet Basement Specialists
- Says it offers
- quotes at no charge
What customers say
18 of the 20 are 5-star and 2 are 1-star. Ratings are set by the people who left them, not by ConcreteFinder.
Indira
Rated 1.0 out of 5 · Google review · Edited a year ago
“HOMEOWNER'S BEWARE In 2018, I experienced a basement leak, which was identified specifically by my front stairs, and basement side entrance. I reached out to ACCL waterproofing, Henry came by to assess the situation and provided a quote . We agreed to waterproof/wrap 2 sides of…”
Gilbert
Rated 5.0 out of 5 · Google review · a month ago
“Awesome company did a great job at my sister's home, never had a leak since then”
Health2
Rated 5.0 out of 5 · Google review · 8 months ago
“ACCL Basement foundation waterproofing, we're very professional and efficient when the crew lead by Richard excavated and fixed multiple cracks on my Foundation. They also replaced my sump pump and took their time to adjust my sump pit. They are simply the best. Thanks guys.”
Stano
Rated 5.0 out of 5 · Google review · 11 months ago
“Awesome company did my wet basement 9 months ago and I never have any more leaks since then thanks Accl waterproofing crew lead by Richard.”
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.
- ACCL Waterproofing's own website
- Everything on this page introduced by the word “says”, quoted from its pages. 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 ACCL Waterproofing
Is ACCL Waterproofing well reviewed?
ACCL Waterproofing holds a 4.6-star Google rating across 20 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 ACCL Waterproofing operate?
ACCL Waterproofing works out of Oshawa in the Durham area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 124 Wilson Rd S, Oshawa, ON L1H 6C1.
How do I get a quote from ACCL Waterproofing?
You can contact ACCL Waterproofing directly or through its website, or through its Google Business Profile.
Before you hire, run through the questions to ask a foundation contractor.