GMS Basement Waterproofing Inc
Concrete Contractors in Brampton, Peel
- Works for
- homes
- Website age
- First archived in 2015
- City licence
- Not applicable here
- Paperwork
- Not stated
- Offers
- Free quotes
Says so on its own site
Internet Archive
Only Toronto publishes one
Ask before you sign
Says so on its own site
Market rate for concrete work across the GTA
$5,000–$8,000 per project
Source: 2AZ Group (GTA subcontractor rates, early 2026). 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
- 7 a.m.–10 p.m.
- 120 Cornwall Rd, Brampton, ON L6W 1N8
- Visit website
- View on Google Maps
Listed for
Its own website also names toronto sump pump service. Read from the company's site, not checked against any register.
From its Google profile: online estimates, onsite services.
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
- 2015
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
57 / 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
- 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 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.
- Basement waterproofing
- Honest
- Answers quickly
- Fair pricing
- Reliable
- Explains the work
- Quality workmanship
What it states on its own website
Read off GMS Basement Waterproofing Inc's own pages. Nobody checked these against a register.
- Says it works for
- homes
- Says it does
- Contact Your Toronto Area Waterproofing Company
- Says it offers
- quotes at no charge and a warranty on its work
What customers say
32 of the 33 are 5-star and 1 is 2-star. Ratings are set by the people who left them, not by ConcreteFinder.
Vin
Rated 5.0 out of 5 · Google review · 6 years ago
“GMS Basement Waterproofing. George and GMS are the real deal. Yes, price is excellent and comparable but don't just go by dollar and cents. George and team are ethical, hardworking, dedicated, credible, honest, going above and beyond to deliver the completion of work on time for…”
Shawn
Rated 5.0 out of 5 · Google review · a year ago
“Very impressed with the basement waterpoofing repair. Having worked with other basement waterproofing services these guys were the most professional. Got the job done quick to minimize disruption. Did a great job discussing options of inside vs outside waterproofing. Also identified issue with existing sump pump…”
Goran
Rated 5.0 out of 5 · Google review · 4 years ago
“Very happy with work that George and his crew did. Very hard workers and very dedicated in their job. I will recomend GMS to everyone I know that needs quality waterproofing work done.”
Manash
Rated 5.0 out of 5 · Google review · 6 years ago
“Great work done by George and team from GM's Basement for our exterior waterproofing! We called GM and few other contractors after observing seepage & moisture in our house. But we decided to go with GM both because of their great google reviews and also their…”
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.
- GMS Basement Waterproofing Inc'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 GMS Basement Waterproofing Inc
Is GMS Basement Waterproofing Inc well reviewed?
GMS Basement Waterproofing Inc 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 concrete contractor in the Greater Toronto Area. We always recommend comparing at least three quotes before you hire.
Where does GMS Basement Waterproofing Inc operate?
GMS Basement Waterproofing Inc works out of Brampton in the Peel area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 120 Cornwall Rd, Brampton, ON L6W 1N8.
How do I get a quote from GMS Basement Waterproofing Inc?
You can contact GMS Basement Waterproofing Inc directly or through its website, or through its Google Business Profile.
Before you hire, run through the questions to ask a concrete contractor.