5Multi-Platform Reputation
11.4/15
Rated on 2 platforms — Google 4.5, HomeStars 5.0; ratings agree
Crownseal Basement Waterproofing Inc. is a waterproofing company serving Mississauga, ON, rated 4.5★ across 11 reviews. Reviewers repeatedly call out its fair pricing, professionalism, workmanship. It carries an N49 Trust Score of 47.9/100 across our 10-factor review. Altogether it carries ~43 reviews across 2 platforms.
4.5★ from 11 Google reviews
Rated on 2 platforms — Google 4.5, HomeStars 5.0; ratings agree
Has a website and a published email on its own domain
Not in the Google Maps local top results
~7.0 years on Google Maps (from total-reviews ÷ monthly rate)
Not on Three Best Rated / BBB
~43 reviews across 2 platforms
2 Google Business locations across 2 cities (Norval, Unorganized) · Mentions 3 service areas on home page (e.g. delta, victoria, york)
On 1 extra platforms; reachable by website, email, phone
1 platforms linked: Facebook
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By Julien Brown on Mar 31, 2025 Verified by Google
I’m impressed with the company. I called to ask about a check valve missing from my sump pump that the previous owner had installed by Crown Seal. Wayne and Randy came out and helped me out. They were friendly and did the job for a reasonable sum. Big thumbs up!
By John Larc on Oct 6, 2023 Verified by Google
Within 2 hours of calling, Wayne turned up and gave us a reasonable quote. 2 days later, Randy fixed the crack in our basement and slight water leak. Randy was fantastic! He explained how the work will be done and within 2 hours, the crack was repaired with no mess left behind. We have used Crown Seal before and will continue to be loyal customers.
By Halia A on Apr 15, 2020 Verified by Google
Very honest and backs all his work. I picked him because he's a local guy. His employees have been with him for years , they all are extremely experienced. They tell you exactly what they can do or can't do for you.
By RD on Jun 6, 2019 Verified by Google
Brent waterproofed our basement after a nasty sewage backup and also installed a sump pump for us for future prevention. The work was done incredibly well, on time, and for an amazing price. Brent was very professional and extremely friendly. I would recommend him and his company to everyone and would very happily have him do work for us again. Finding trustworthy contractors is hard, and very nerve wracking. It is so good to have found one of the great ones. 5/5 stars. 2 thumbs wayyyyy up. :)
By Nm Statkiewicz on Apr 27, 2019 Verified by Google
We called Crown Sealing for an exterior seal of the wall due to a crack in the foundation. Wayne came right away and was honest and felt he cared for even a small job. I was quoted a fair price as other waterproofing company’s didn’t seem interested in the job and wanted to raise cost. Not Wayne, he was on the job; we had it fixed in no time. He is family operated and comes with his expertise. Highly recommend for honesty and price.
Resident of Georgetown
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Crownseal Basement Waterproofing Inc. 4.5 out of 5.0 based on 11 user reviews.