
Groundworks Foundation Repair Toronto
No street address published
Its own website describes below-grade water work
Last updated: By Below-Grade Records Desk
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Photograph published by Cornerstone Contracting Inc 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
Cornerstone Contracting Inc describes itself as a foundation repair contractor and covers Whitchurch-Stouffville.
Five stars from 5 of them. Google rates Cornerstone Contracting Inc at 3.9 over 7 reviews. Listed under Foundation Repair, Basement Walkouts & Entrances and Basement Waterproofing. Seven days of hours on record.
229 words of Cornerstone Contracting Inc's own pages were read. The below-grade wording found in them: basement waterproofing, wet basement, drainage systems, foundation repair, parging, window well.
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
4 of 5 signals present on this record.
Found on the company's own pages: basement waterproofing, wet basement, drainage systems.
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.
“Fantastic customer service! Quality workmanship and attention to detail, fair pricing and great communication. Have already had them come back for a 2nd repair and planning on another later this year.”
Manic· via Google reviews
“Andrew provided outstanding service & superior communication with fast & professional results”
Smac· via Google reviews
“Kind souls 🔥🔥🔥”
Ian· via Google reviews
“Was very happy with this company. Answered phone calls, arrive when they said they would, assess the problem and completed work quickly. Everyone one was friendly and respectful.”
Janice· via Google reviews
| Monday | 8 a.m.–5 p.m. |
|---|---|
| Tuesday | 8 a.m.–5 p.m. |
| Wednesday | 8 a.m.–5 p.m. |
| Thursday | 8 a.m.–5 p.m. |
| Friday | 8 a.m.–5 p.m. |
| Saturday | Closed |
| Sunday | Closed |
Contact
Coverage

No street address published
Its own website describes below-grade water work

0.8 km from Markham centre
Its own website describes below-grade water work

1.6 km from Richmond Hill centre
Its own website describes below-grade water work