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GTA, TORONTO, & SURROUNDING AREAS

If you're looking for any masonry service, be it a driveway installation, chimney repair, asphalt, or concrete work, foundation and basement repair. Trust our team to handle it for you. With more than 45 years of combined experience, we promise you impressive results. We guarantee we'll beat any like for like quote, so you can enjoy budget-friendly services when you hire us.

We are your first and only call when you need any masonry, foundation, chimney repair for both residential &  commercial projects. Our expertise is in restoration and construction; whether it's your front stair, step, retaining wall, patios, walkway, garage, basement, chimney, or other masonry structure, we have you covered.  

A new roof was needed but due to tropical storm shingles were blown off. I was worried about further damage to inside of my house and expressed those concerns to them. They were inundated with calls and managed to schedule me on a Sunday. The work was done with the expertise of their crew with a cleanup that amazed me as I watched. To anyone reading this do not hesitate to give them a call! Honest and professional on all levels!– Barbara Ann Colasacco, Toronto

The crew did a wonderful job replacing my old roof. They were professional and friendly and cleaned up when they were done. The owner was very nice as was Becky in the office, they gave me a great price. I definitely would recommend Keystone to everyone !! Five Star service ★★★★★– Nancy W, Toronto