Cornerstone is the San Diego leader in granite fabrication and installation, Bringing over 17 years experience to a craft that requires precision and expertise. Cornerstone has the experience to advise you and fabricate, polish and install any granite project you can imagine. Whether you are designing a complex backsplash with sophisticated tile and granite work or dreaming of a simple, yet classic countertop with clean lines and edges, we have the experience to create your masterpiece beautifully the first time.

Owner, Bill Lamme has been working with granite and quartz stone for over 17 years and he is a master craftsman in every phase of the countertop process from stone selection, temple creation, fabrication, finish and installation. His proficiency is what makes Cornerstone San Diegoâ?Ts preferred granite fabricator.

Serving San Diego, CA East & North County