Cornerstone Decks and Patio Covers

Home of Orange County's finest Trex composite decks and balconies for over 25 years. Cornerstone Custom Decks is your local Platinum level TrexPro composite deck builder. Cornerstone Custom Decks will take your outdoor living space dream from design to reality. We specialize in custom Trex decks, balconies, patio covers and more. Cornerstone is a local, family owned and operated deck contractor in Orange County, CA. We are what's next in outdoor living.


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About Trex Company
Trex Company is the world’s largest manufacturer of high performance wood-alternative decking and railing, with more than 20 years of product experience. Stocked in more than 6,000 retail locations worldwide, Trex outdoor living products offer a wide range of style options with fewer ongoing maintenance requirements than wood, as well as a truly environmentally responsible choice. For more information, visit You also can follow Trex on Twitter (@Trex_Company) or Pinterest (trexcompany), “like” Trex on Facebook, or view product and demonstration videos on the brand’s YouTube channel (TheTrexCo.).