Kitchen Remodeling Professional
Cornerstone Grand Masonry
St. Catharines, ON
Compare with similar kitchen remodeling providers in St. Catharines →Verified ListingServing St. Catharines & area
0out of 100
ProScore
+21 over 1 mo
4.8★ Google|2/4 Sources
This score reflects 19 verified reviews, across 2 platforms.
How is this calculated?About Cornerstone Grand Masonry
AI-generated summary from verified data sources
Cornerstone Grand Masonry provides kitchen renovation and remodeling services to St. Catharines and nearby regions. Rated 4.8★ on Google with 19 reviews, and 4.9/5 stars on another review platform.
Google
4.8★ (19)
Review Site B
Excellent
Rated on 2 independent platforms
Is this your business?
Claim your profile to access your Trust Score dashboard, respond to reviews, and unlock growth tools.
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
G
Google
4.8/5
H
Review Site B
Excellent
B
BBB
T
Review Site C
The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.
Things to Know
Well Reviewed
4.8 star average on Google with 19 reviews.
Google Review Breakdown
19 total5
18
4
0
3
0
2
1
1
0
Featured Review
Verified review from Google
“
Vic & his team recently repointed both the interior and exterior stone on our 200 year old home. Their work was very well done with particular care in respecting the character of the stonework. We are very happy with the work done and would definitely recommend Cornerstone
E
Emily N
Google Review
Other top rated kitchen remodeling in St. Catharines
Homeowner Guides
Frequently Asked Questions
Is Cornerstone Grand Masonry licensed?
Licensing status has not been verified for Cornerstone Grand Masonry. Contact them directly to confirm current credentials before hiring.
Does Cornerstone Grand Masonry have insurance?
WSIB insurance status is not verified for Cornerstone Grand Masonry. Request proof of workplace insurance and liability coverage before hiring.
What is Cornerstone Grand Masonry’s rating?
Cornerstone Grand Masonry has a ProScore Trust Score of 61/100 (Good), calculated from 2 verified data sources including 19 Google reviews.
Where is Cornerstone Grand Masonry located?
Cornerstone Grand Masonry is a kitchen remodeling serving St. Catharines, Ontario. You can reach them at +1 905-351-6273. View their full profile on ProScore for verified reviews and credentials.
Data Transparency
SourcesGoogle, multiple verified platforms
Last updated2026-05-06
Is this your business?
Claim your profile to update info, add photos, and respond to reviews
Checked by ProScore
What is the ProScore?
The ProScore aggregates ratings from multiple review platforms into a single score from 0 to 100. Unlike platforms that show only their own reviews, the ProScore gives you the complete picture. Scores are capped for providers with limited source verification.
≥82
Elite
≥70
Trusted
≥55
Good
≥30
Basic
<30
Caution
Are you the owner of this business? Dispute this score
Still researching?
Before you hire, read: 5 questions to ask every kitchen remodeling →
Compare Kitchen Remodeling Contractors in St. Catharines
See how Cornerstone Grand Masonry ranks against other verified kitchen remodeling in St. Catharines on ProScore.