Cornerstone Roofing is a licensed (LIC#557903), and insured roofing contractor in the State of California. Our employees have more than three decades combined experience in all aspects of the roofing industry. For years, Cornerstone has brought the same high standards of pride, professionalism and personal service to every project we undertake. From the simplest repair to the most demanding project, we treat every job as if it were the most important one we’ve ever had. Every project is just that, because the one thing a contractor never finishes building is a reputation. Our satisfied customers are our most valuable asset.

The Cornerstone Roofing Story: Cornerstone is a second generation family owned and operated business based in San Diego, California. It was founded in 1988 by Neville and Berta Graaff. Neville started in the Industry as the Controller and Public Works estimator of a medium-sized roofing company based in Costa Mesa, CA.

He was joined in the business by his son Nathan who grew up exposed to all aspects of the trade. Nathan is a certified Eagle-Solar Energy Installer and has also been certified by the (T.R.I.) Tile Roofing Institute. 

Since 1988, Cornerstone Roofing has grown becoming a trusted name in

North San Diego County, Southern Orange County and is expanding into

Riverside,Inland Empire, San Bernardino, and Big Bear.

Cornerstone Roofing is also a member of the Murrieta and Big Bear Chamber of Commerce, and has recently been nominated for “Small Business of the Year” through the Murrieta Chamber of Commerce

Mission Statement: Provide excellent service solving roofing challenges while showing the highest regard for the client.