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Cornerstone Construction

5.0
  • Oshawa, ON

About this business

Cornerstone Construction's mission is to provide the highest-quality workmanship possible. We succeed at this because of the integrity of our subcontractors and staff, our commitment to a solid work ethic, and our passion for staying current with the newest innovations of our industry, with consideration for the environment. We are located in Oshawa Ontario. We have a full millwork shop providing custom millwork. 

Location details

804 Ritson Road South rear unit, Oshawa, ON, L1H 5L4, Canada

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WeekdayScheduleStatus
Mon8:00 a.m. to 5:00 p.m.
Tue8:00 a.m. to 5:00 p.m.
Wed8:00 a.m. to 5:00 p.m.
Thu8:00 a.m. to 5:00 p.m.
Fri8:00 a.m. to 4:00 p.m.
SatClosed
SunClosed
5.012 reviews
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Joanne Cowles's profile image
Joanne Cowles 
3 months ago

I am so impressed with the quality of work and professionalism of this company. Right from the beginning Mike was very responsive - coming to my home to really understand what needed to be done to give me the results I wanted within my budget and making recommendations to maximize the space. I highly recommend this company for any project. 

Tracey Lord's profile image
Tracey Lord 
8 months ago

Dreams do come true! Mike and his team successfully transformed the kitchen into a stunning space. Their expertise and professionalism are reflected in the quality of their work. 

Micky's profile image
3 years ago

Mike was efficient and knowledgeable in his work I needed my glass door trim to be loosened to install Smart lock. Mike was able to do it without any visible marks to the front door. He also fixed my door locks which were misaligned and explained the problem patiently. Will definitely recommend him. 

Nafis Muntasir's profile image
Nafis Muntasir 
2 years ago

Mike (Cornerstone Construction) is a very professional contractor. He has excellent craftsmanship and his attention to detail is spot on (this impressed us the most). He built a shiplap on our wall, mounted TV, mantle and fireplace, and we really appreciated his work. He always communicated the progress of the work, asked for our opinions on the designs, and provided excellent suggestions when we were unsure of things. Highly recommend him! 

Rimmel's profile image
Rimmel 
4 years ago

Mike is a very experienced contractor, who takes pride in his work and his reputation. I hired him to renovate my condo and I am very happy and satisfied with the work he has done. There were many issues that arose during my renovation regarding faulty electrical issues, walls not being straight, floors not levelled, etc. Mike was always able to come up with a solution, to rectify these problems, for which I gave him the nickname ‘Magic Mike’. He even made suggestions to me, about repositioning stuff differently, to make my ... read more

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Frequently asked questions about Cornerstone Construction

How is Cornerstone Construction rated?

Cornerstone Construction has a 5 star rating with 12 reviews. 

When is Cornerstone Construction open?

Cornerstone Construction is open now. It will close at 5:00 p.m.  

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