Mary P.
1/20/2026
We highly recommend Cornerstone. We called to have them repair our folding doors and David immediately came out the same day and repaired. Thank you so much!!
Cornerstone Openings
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(55)
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34167 Pacific Coast Hwy Ste A
Dana Point, CA 92629
Premier Installer of LaCantina Doors In South Orange County. Family owned and operated, Cornerstone Openings is your premier destination for exquisite folding patio doors that seamlessly blend indoor and outdoor. Elevate your living spaces with our cutting-edge designs that not only enhance the aesthetic appeal of your home but also provide unparalleled convenience and versatility. Using our in-house construction team allows us to be your one stop solution for all bi-fold, folding and custom patio windows and doors in Southern California. We look forward to working with you. BY APPOINTMENT ONLY
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Reviews
5.0(55)
Sarah W.
8/20/2025
Had to have our screen door serviced and they did a fantastic job! Luke was very timely with his communications and they were able to get us in quickly. Highly recommend!
Gail A.
6/3/2025
We purchased a LaCantina folding door. We were referred to Sean at Cornerstone Openings by a neighbor. We met with one other contractor, but we knew we wanted to go with Sean and his team due to...
A R.
9/30/2025
We used Cornerstone Openings in connection with the order and installation of La Cantina doors about three years ago. Throughout the process, Cornerstone was transparent, easy to work with, and...
Tim C.
9/26/2024
I bought some bifold doors and sliders 3 years ago from Cornerstone. They have held up great and any little issue we have had over the years Cornerstone is super responsive and comes and adjust...
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