General contractors
1. Cornerstone Construction
Research evidence score 90/100 · 40 + 30 + 20 + 0 + 0 for area, trade fit, reviews, recency and official credentials.
Home renovations including kitchens, bathrooms, basements and multiple-room projects.
5.0/5 · 1 reviewsHouzz · Review recency unavailable
4.6/5 · 22 reviewsGoogle via Ontario Home Renovations Directory · Review recency unavailable
Service-area evidence · Record checked 2026-11-08
Primary coverage and trade evidence checked; linked review snapshot recorded; credentials unresolved
Service evidence and credentials
Company service-area section explicitly names each listed community and Clarington. Project ratings shown by company are not independent aggregate reviews.
Independent credential and insurance checks unresolved. Company claims require confirmation.