
Cornerstone Contracting Inc
55/100 WaterproofingIndex Score
No street address published
- Says about 35 years going
Its own website describes below-grade water work
Last updated: By Below-Grade Records Desk
Groundworks Foundation Repair Toronto has not claimed this listing. The form reaches WaterproofingIndex.

Photograph published by Groundworks Foundation Repair Toronto on its Google Business Profile. WaterproofingIndex has not checked what it shows, and does not check any claim, offer or phone number printed inside an image.



Record
Its own site puts Groundworks Foundation Repair Toronto in basement waterproofing contractor work, across Whitchurch-Stouffville.
Seven days of hours on record. 4 photos on this record. 1629 of those 1689 are 5-star. Reviewers put Groundworks Foundation Repair Toronto at 4.9, on 1689 reviews. We file Groundworks Foundation Repair Toronto under Basement Waterproofing, Foundation Repair and Crawl Space Waterproofing.
800 words of Groundworks Foundation Repair Toronto's own pages were read. The below-grade wording found in them: basement waterproofing, foundation repair, crawl space.
Terms this site searched for, not the company's own sentences. WaterproofingIndex has not checked any licence, insurance, certification or warranty the company claims anywhere.
Method
63 / 100
This is the number every list on this site is ordered by. It is worked out the same way for all companies listed here, and the method page prints every point of it.
38 / 40
0 / 35
Nothing on this record scored under this heading.
25 / 25
Drawn from the Google reviews already stored on this record, against a fixed list of themes. Each one carries the reviewer's own words. These are what customers wrote, not a conclusion WaterproofingIndex reached, including the ones that are complaints.
“retrofit our basement with a new sump and trough system”
“They even checked in a few times to see if an earlier date would work”
“took the time to answer any and all questions”
“their honesty, professionalism”
“took the time to explain his findings and the proposed solution”
“they made sure to cover my floors well so they were kept clean”
Pillar weights: reviews 40, what it states about itself 35, website and record 25.
Method
5 of 5 signals present on this record.
Found on the company's own pages: basement waterproofing, foundation repair, crawl space.
Ontario licenses nobody for basement waterproofing, so there is no licence for this site to look up, and it does not verify insurance, WSIB clearance or any warranty a company offers. Nobody here has stood in one of these basements.
Method
Reviews
Highlights via Google reviews. Ratings are set by reviewers, not WaterproofingIndex.
“From start to finish, the process with Groundworks was beyond amazing. We had Ryan Machado come out and give us a complete rundown of the company and their system, and we were sold immediately. The fact that I don’t have…”
Thom· via Google reviews
“I give Groundworks company and crew 5 plus plus rating. From my first consult with Kieth Campbell to the over the top professionalism of Holden Hebert and Tai Mark completing the arduous task to retrofit our basement with a new…”
Jamie· via Google reviews
“Top notch team on-site for 3 days. Lucio, Carter and A.K. worked really well together. Kept us current on the progress. Arrived early each day. The basement was kept as clean as the job allowed. We couldn't be happier with…”
Nancy· via Google reviews
“Certified Field Inspector Ryan Machado came to my residence to give me a quote on leveling my concrete walkway and steps. He is very professional & knowledgeable on the the process and the quote was very reasonable. I have retained…”
Rob· via Google reviews
“I contracted two jobs with groundworks, 1. basement waterproofing and 2. front step repair. The method used for the basement was more economical, and efficient than other quotes. For the initial quote I met with Behtash Adib. He was punctual,…”
Galit· via Google reviews
| Monday | 7 a.m.–11 p.m. |
|---|---|
| Tuesday | 7 a.m.–11 p.m. |
| Wednesday | 7 a.m.–11 p.m. |
| Thursday | 7 a.m.–11 p.m. |
| Friday | 7 a.m.–11 p.m. |
| Saturday | 8 a.m.–11 p.m. |
| Sunday | 10 a.m.–11 p.m. |
Contact
Coverage

55/100 WaterproofingIndex Score
No street address published
Its own website describes below-grade water work

43/100 WaterproofingIndex Score
No street address published
Listed under Basement Waterproofing

58/100 WaterproofingIndex Score
No street address published
Its own website describes below-grade water work