Premiere full service bi-fold door company
Call Us: 949-295-4495 Remodeling and Home Design

View Our Brochure

View Our Customer Gallery

View Our Gallery Location

Slide background

Blending Indoor with Outdoor

Slide background

Maximize Outdoor Environments

Slide background

South County's Premiere Door Specialist

Slide background

Maximize Every Element

Slide background

Blending Indoor with Outdoor

Slide background

Seamless Transitions for any Environment

Slide background

Entertain - Night or Day

Cornerstone Customer Gallery

Our work speaks for itself. View how we have maximized outdoor/indoor space for our customers. View Our Projects.

Letters of Reference

We are passionate about one thing – offering you the ultimate doors to seamlessly blend your outdoor environment. Read Our Letters.

Our Showroom

Cornerstone Openings invites you to come visit our South Orange County showroom.
View Our Showroom.

South County's Premier Provider of Open Spaces

Our ultimate goal is uniting families with their home…

Through innovative and creative means of marrying the interior living spaces with the exterior, we are able to change the way people move and experience the environment around them, creating a more functional living space. Cornerstone Openings makes the transition to open space as seamless as your doors. Our in house relationship with Burke Engineering & Contractors licensed in their field, allows us to be your one stop solution for folding patio doors in Orange County.

Redefine Space. Break the barriers between the indoor and outdoor experience. Creating the ability to socialize and entertain in a space that transcends the “room” and revolutionizes the way we interact with our surroundings. We look forward to working with you.

– Sean Scholl, Cornerstone Openings

View our brochure and see why our customers want to share their Cornerstone experience.